Optical Spectra and Electronic Structure of Porphyrins and Related Rings

New Developments in Molecular Orbital Theory

1951 • 5,347 citations

Quantum Mechanics of One- and Two-Electron Atoms

1957 • 4,568 citations

Photophysics of aromatic molecules

1971 • 4,490 citations

Spectra of porphyrins

1961 • 2,040 citations

Porphyrins and metalloporphyrins

1976 • 1,942 citations

Approximate Self-Consistent Molecular Orbital Theory. III. CNDO Results for AB2 and AB3 Systems

1966 • 1,906 citations

Photoluminescence of solutions

1969 • 1,780 citations

Spectra and Energy Levels of Rare Earth Ions in Crystals

1969 • 1,646 citations

Electronic Structure and Spectra of Nitrogen Heterocycles

1957 • 1,211 citations

Porphyrins and Metalloporphyrins

1964 • 994 citations

Molecular Spectroscopy of the Triplet State

1970 • 992 citations

Study of the Effects of Substitution on the Absorption Spectra of Porphin

1959 • 943 citations

Spectra of porphyrins

1963 • 872 citations

Determination of the absolute quantum yield of fluorescent solutions

1957 • 657 citations

Porphyrins

1969 • 648 citations

The alternation of bond lengths in long conjugated chain molecules

1959 • 563 citations

A Quantum-Mechanical Theory of Light Absorption of Organic Dyes and Similar Compounds

1949 • 549 citations

Rate of Interconversion of Electronic and Vibrational Energy

1966 • 523 citations

Spin-Orbit Interaction in Aromatic Molecules

1952 • 517 citations

Spectra of porphyrins

1965 • 468 citations

Radiationless Transitions in Polyatomic Molecules. I. Calculation of Franck—Condon Factors

1967 • 452 citations

Porphyrins

1966 • 451 citations

The molecular and crystal structure of porphyrin diacids

1968 • 433 citations

Porphyrins

1970 • 410 citations

Porphyrins

1966 • 409 citations

Nature of the Iron–Oxygen Bond in Oxyhæmoglobin

1964 • 404 citations

Stimulated Emission Observed from an Organic Dye, Chloro-aluminum Phthalocyanine

1966 • 376 citations

Electrochemical and electron paramagnetic resonance studies of metalloporphyrins and their electrochemical oxidation products

1970 • 366 citations

The Phthalocyanines

1965 • 361 citations

Resonance Raman Spectra of Hemoglobin and Cytochrome c: Inverse Polarization and Vibronic Scattering

1972 • 354 citations

Spectra of the Metallo-derivatives of α,β,γ,δ-Tetraphenylporphine

1951 • 346 citations

Phthalocyanine compounds

1964 • 330 citations

Luminescence studies on several tetraarylporphins and their zinc derivatives

1975 • 323 citations

Space Groups and Their Representations

1957 • 319 citations

Porphyrins XVII. Vapor absorption spectra and redox reactions: Tetraphenylporphins and porphin

1971 • 302 citations

Manganese porphyrin complexes

1972 • 293 citations

Influence of globin structure on the state of the heme. I. Human deoxyhemoglobin

1974 • 288 citations

On the magnetic properties of some haemoglobin complexes

1956 • 281 citations

Circular dichroism and magnetic circular dichroism of the chlorophyll and protochlorophyll pigments

1970 • 278 citations

Studies on Metastable States of Porphyrins. II. Spectra and Decay Kinetics of Tetraphenylporphine, Zinc Tetraphenylporphine and Bacteriochlorophyll¹

1960 • 275 citations

Phosphorescence and Fluorescence of Phthalocyanines

1971 • 275 citations

Porphyrins XXVIII. Extended H�ckel calculations on metal phthalocyanines and tetrazaporphins

1973 • 268 citations

Porphyrins

1970 • 264 citations

Spin–Orbit Coupling in Aromatic Hydrocarbons. Analysis of Nonradiative Transitions between Singlet and Triplet States in Benzene and Naphthalene

1971 • 262 citations

The Electronic Spectra of Cata-Condensed Hydrocarbons

1954 • 253 citations

The Pi electron structure and absorption spectra of chlorophylls in solution

1972 • 252 citations

Perturbations between Electronic States in Aromatic and Heteroaromatic Molecules

1968 • 249 citations

Porphyrin Studies. V.¹ The Metal Complex Salts of α,β,γ,δ-Tetraphenylporphine

1948 • 237 citations

Vibronic—Spin-Orbit Perturbations and the Assignment of the Lowest Triplet State of Benzene

1963 • 232 citations

Pyridinate Complexes of Some Metallo-derivatives of Tetraphenylporphine and Tetraphenylchlorin¹

1952 • 230 citations

Mechanism of fluorescence quenching in solution. Part 1.—Quenching by bromobenzene

1965 • 227 citations

Radiationless Molecular Electronic Transitions

1968 • 222 citations

Porphyrins XXIV. Energy, oscillator strength, and Zeeman splitting calculations (SCMO-CI) for phthalocyanine, porphyrins, and related ring systems

1972 • 216 citations

Substituent effects in noncoplanar .pi. systems. ms-Porphins

1975 • 210 citations

The Absorption Spectra and Decay Kinetics of the Metastable States of Chlorophyll A and B¹

1958 • 201 citations

Porphyrins XIV. Theory for the luminescent state in VO, Co, Cu complexes

1969 • 196 citations

Electronic Spectrum of Single Crystals of Ferricytochrome-c

1967 • 195 citations

X-ray photoelectron spectroscopy of tetraphenylporphin and phthalocyanine

1974 • 186 citations

On the Theory of the π-Electron System in Porphines

1949 • 185 citations

Molecular Orbital Calculations on Porphine and Tetrahydroporphine

1950 • 183 citations

Origin of the anomalous Soret spectra of carboxycytochrome P-450

1976 • 180 citations

Single-Crystal Spectra of Ferrimyoglobin Complexes in Polarized Light

1968 • 174 citations

Near infrared to vacuum ultraviolet absorption spectra and the optical constants of phthalocyanine and porphyrin films

1970 • 172 citations

Magnetic state of an unusual bacterial heme protein

1974 • 171 citations

Luminescence of Crystals, Molecules, and Solutions

1973 • 167 citations

Porphyrin free base phosphorescence

1974 • 166 citations

Vibronic Coupling. VI. Vibronic Borrowing in Cyclic Polyenes and Porphyrin

1969 • 163 citations

944. Conjugated macrocylces. Part XXII. Tetrazaporphin and its metallic derivatives

1952 • 162 citations

Mechanistic study of the synthesis and spectral properties of meso-tetraarylporphyrins

1972 • 152 citations

The synthesis and some physical properties of ms‐tetra(pentafluorophenyl)‐porphin and ms‐tetra(pentachlorophenyl)porphin

1969 • 151 citations

ENERGETICS OF PHOTOPHYSICAL PROCESSES IN CHLOROPHYLL‐LIKE MOLECULES

1970 • 150 citations

Porphyrins. 36. Synthesis and optical and electronic properties of some ruthenium and osmium octaethylporphyrins

1978 • 143 citations

Metallkomplexe mit Tetrapyrrol‐Liganden, III. Darstellung von Metallkomplexen des Octaäthylporphins aus Metall‐acetylacetonaten

1971 • 142 citations

Spectroscopic studies for tetraphenylporphyrincobalt(II) complexes of carbon monoxide, nitrogen oxide, molecular oxygen, methylisonitrile, and trimethyl phosphite, and a bonding model for complexes of carbon monoxide, nitrogen oxide, and molecular oxygen with cobalt(II) and iron(II) porphrins

1974 • 139 citations

Lanthanide porphyrin complexes. Potential new class of nuclear magnetic resonance dipolar probe

1974 • 135 citations

Porphyrins. XXVII. Spin-orbit coupling and luminescence of Group IV complexes

1973 • 134 citations

Ozone Model for Bonding of an O ₂ to Heme in Oxyhemoglobin

1975 • 134 citations

New Excited State of Chlorophyll

1958 • 132 citations

Large metal ion-centered template reactions. Uranyl complex of cyclopentakis(2-iminoisoindoline)

1975 • 130 citations

Spectroscopic and structural characterization of ruthenium(II) carbonyl-porphine complexes

1973 • 126 citations

Infrared Spectra and Normal Coordinate Analysis of Metalloporphins

1972 • 122 citations

Porphyrins XXIII: Fluorescence of the second excited singlet and quasiline structure of zinc tetrabenzporphin

1971 • 122 citations

Ruby Laser Q-Switching Elements Using Phthalocyanine Molecules in Solution

1964 • 116 citations

Porphyrins

1970 • 114 citations

Reversible oxygenation and autoxidation of a capped porphyrin iron(II) complex

1975 • 114 citations

The Quenching of Triplet States of Anthracene and Porphyrins by Heavy Metal Ions¹

1960 • 112 citations

Electronic Spectra and Electronic Structure of Iron(II) Tetraphenylporphins

1972 • 107 citations

The lowest triplet state of Zn porphin

1971 • 107 citations

Substituted deuteroporphyrins. III. Iron(II) derivatives. Reactions with oxygen and preparations from chloro- and methoxohemins

1968 • 107 citations

The Detection of a Type of Reaction Intermediate in the Combination of Metal Ions with Porphyrins

1960 • 107 citations

Radiative Decay of Polyatomic Molecules

1969 • 104 citations

Porphyrin studies. XXXVII. The interpretation of porphyrin and metalloporphyrin spectra

1968 • 101 citations

Effect of Metal Atom Perturbations on the Luminescent Spectra of Porphyrins

1960 • 101 citations

Structure and reactivity of ruthenium(II) porphyrin complexes. Photochemical ligand ejection and formation of ruthenium porphyrin dimers

1975 • 101 citations

Porphyrins. XIX. Tripdoublet and Quartet Luminescence in Cu and VO Complexes

1970 • 100 citations

Unusual metalloporphyrins. XXIII. Unusual metalloporphyrin complexes of rhenium and technetium

1975 • 98 citations

α,β,γ,δ-Tetra-(4-pyridyl)-porphine and Some of its Metal Complexes

1962 • 97 citations

Time dependence of the resonant and near resonant photon moleculaar interactions

1974 • 96 citations

X.alpha. multiple scattering calculations on copper porphine

1977 • 95 citations

Semiempirical molecular orbital studies of phthalocyanines

1972 • 95 citations

Substituted deuteroporphyrins. V. Structures, stabilities, and properties of nickel(II) complexes with axial ligands

1968 • 95 citations

Semi-empirical Parameters in pi-Electron Systems. III. Heteroatomic Molecules Containing Nitrogen.

1968 • 94 citations

Irreversible Electronic Relaxation in Polyatomic Molecules

1970 • 93 citations

Synthesis and Properties of Porphyrin Vanadium Complexes¹

1956 • 92 citations

Radiationless Transitions: A Semiclassical Model

1962 • 90 citations

Absorption and luminescence of yttrium and lanthanide octaethylporphin complexes

1976 • 89 citations

LUMINESCENCE SPECTROSCOPY OF PORPHYRINLIKE MOLECULES INCLUDING THE CHLOROPHYLLS¹

1955 • 88 citations

Porphyrins XXV. Extended H�ckel calculations on location and spectral effects of free base protons

1972 • 87 citations

Porphyrins

1969 • 85 citations

Semiempirical molecular orbital studies of phthalocyanines

1972 • 84 citations

Configurational Interaction in Simple Molecular Orbital Theory

1954 • 83 citations

Activation of the Fluorescence of Chlorophyll Solutions

1949 • 83 citations

Manganese porphyrin complexes. III. Spectroscopy of chloroaquo complexes of several porphyrins

1970 • 82 citations

Ab initio calculations on porphin

1974 • 82 citations

Porphyrins. XXXII. Absorptions and luminescence of Cr(III) complexes

1975 • 82 citations

Spectra of porphyrins

1966 • 81 citations

The oxidation states and reversible redox reactions of metalloporphyrins

2007 • 81 citations

Iron(IV) porphyrins

1971 • 81 citations

Classification and Assignments of Ultraviolet Spectra of Conjugated Organic Molecules

1953 • 80 citations

Ab initio calculations on large molecules using molecular fragments. Evaluation and extension of initial procedures

1973 • 79 citations

Porphyrins XXII: Fast fluorescence, delayed fluorescence, and quasiline structure in palladium and platinum complexes

1971 • 79 citations

Manganese porphyrin complexes. I. Synthesis and spectroscopy of manganese(III) protoporphyrin IX dimethyl ester halides

1968 • 77 citations

METALLOPORPHYRINS. ELECTRONIC SPECTRA AND NATURE OF PERTURBATIONS. I. TRANSITION METAL ION DERIVATIVES^1a

1963 • 77 citations

Fluorescence, resonance Raman, and radiationless decay in several hemoproteins

1976 • 77 citations

Synthesis of porphin analogues containing furan and/or thiophen rings

1971 • 77 citations

Metall‐Komplexe mit Tetrapyrrol‐Liganden, VIII. Methoxo‐ und Phenoxo‐metallkomplexe des Octaäthylporphins mit Zentralionen des Typs M^3⊕, M^4⊖und MO^3⊖; neue Wolfram‐ und Rheniumporphine

1973 • 75 citations

THE SPECTROSCOPY OF THE PORPHYRINS

1963 • 74 citations

Photochemistry and oxidation-reduction reactions of tin porphyrins

1971 • 74 citations

Resonance Raman spectra of manganese (III) etioporphyrin I

1976 • 73 citations

Unusual metalloporphyrins. VI. Metal shuttling between imidazole nitrogens in a ruthenium porphyrin imidazole

1971 • 72 citations

The triplet state of chlorophylls

1976 • 72 citations

Electronic Spectra of Tetraphenylporphinatoiron(III) Methoxide

1975 • 72 citations

Structural interpretation of heme protein resonance Raman frequencies. Preliminary normal coordinate analysis results

1975 • 72 citations

Picosecond flash photolysis: Transient absorption in Sn(IV), Pd(II), and Cu(II) porphyrins

1974 • 72 citations

Porphyrins. V. Extended Hückel Calculations on Vanadyl (VO²⁺) and Vanadium(II) Complexes

1966 • 71 citations

Manganese porphyrin complexes. IV. Reduction of manganese porphyrins

1970 • 69 citations

Porphyrins. 34. Phosphorus complexes of octaethylporphyrin

1977 • 68 citations

Metallkomplexe von Porphyrinen

1969 • 68 citations

Ab initio calculations on large molecules using molecular fragments. Preliminary investigations

1969 • 67 citations

X-ray photoelectron spectroscopy of azaporphyrins

1974 • 66 citations

Resonance Raman spectra of the nickel, cobalt, and copper chelates of mesoporphyrin IX dimethyl ester

1974 • 63 citations

High resolution Zeeman experiments on singlet, triplet, and quartet states of metalloporphines

1976 • 61 citations

Zero field splitting of the triplet state of porphyrins. II

1975 • 61 citations

POLARIZED SINGLE CRYSTAL ABSORPTION SPECTRA OF CARBOXY- AND OXYHEMOGLOBIN

1973 • 61 citations

Spectra of porphyrins

1968 • 60 citations

Electronic structure of porphyrins. All valence electron self-consistent field molecular orbital calculations of free base, magnesium, and aquomagnesium porphines

1973 • 57 citations

A Theory for the Triplet-Triplet Absorption Spectra of Porphyrins

1960 • 57 citations

Derivatives of tetraphenylporphineruthenium (II)

1971 • 56 citations

ORGANIC COMPLEXES OF URANIUM: PART I. THE SYNTHESIS AND SPECTRUM OF URANYL PHTHALOCYANINE

1964 • 56 citations

Electronic spectra of substituted metal deuteroporphyrins

1965 • 56 citations

Spectroscopy of Plant Pigments. I. Ethyl Chlorophyllides A and B and their Pheophorbides

1954 • 56 citations

Semi-empirical Molecular Orbital Studies of Neutral Porphin, PH2, the Dianion P(2-), and the Dication PH4(2+).

1968 • 56 citations

Unique Luminescences of Dry Chlorophylls

1959 • 55 citations

Some chromium and molybdenum tetraphenylporphines

1971 • 55 citations

Characterization of a d7 iron system. Tetraphenylporphineiron(I) anion

1972 • 55 citations

Infrared Magnetic Circular Dichroism in the Study of Metalloproteins

1973 • 55 citations

Luminescence of yttrium(III), lutetium(III), and thorium(IV) porphyrin complexes

1976 • 54 citations

The homogeneous, pure electronic linewidth in the spectrum of a H2-phthalocyanine solution in n-octane at 5 K

1976 • 54 citations

The Spectra of α,β,γ,δ-Tetraphenylchlorin and its Metallo-derivatives

1952 • 53 citations

Synthesis of a gold porphyrin

1969 • 53 citations

Porphyrins. XXIX. Crystal and molecular structure and luminescence of bis(dimethylamine)etio(I)porphinatorhodium(III) chloride dihydrate

1973 • 53 citations

X-Ray crystal structure analysis of bisphthalocyaninatouranium(IV)

1971 • 53 citations

Quartet luminescence from copper porphyrins

1968 • 52 citations

Analysis of the transient EPR signals in the photoexcited triplet state. Application to porphyrin molecules

1974 • 51 citations

Cations and cation radicals of porphyrins and ethyl chlorophyllide a

1969 • 51 citations

Bivalent and monovalent rhodium porphyrin complexes

1972 • 51 citations

A Semi-empirical Open Shell SCF-MO Method for Transition Metal Complexes.

1966 • 50 citations

High resolution spectra of palladium, platinum and copper porphins in n-octane crystals

1976 • 50 citations

Unusual metalloporphyrins. IV. Novel methods for metal insertion into porphyrins

1969 • 50 citations

Porphyrins. XXXI. Chemical properties and electronic spectra of d0 transition-metal complexes

1975 • 49 citations

POLARIZATION OF FLUORESCENCE FROM BACTERIOCHLOROPHYLL IN CASTOR OIL, IN CHROMATOPHORES AND AS P870 IN PHOTOSYNTHETIC REACTION CENTERS

1969 • 49 citations

Tetraphenylporphine and Some para-Substituted Derivatives^1,2

1956 • 49 citations

Electron spin resonance of the lowest triplet state of palladiumporphin in a n-octane crystal at 1·3 K

1977 • 48 citations

The spectroscopy of the porphyrins

1963 • 48 citations

Electron paramagnetic resonance identification of a nickel(III) compound produced by electrochemical oxidation of nickel(II) tetraphenylporphyrin

1970 • 48 citations

Complexes d'hematoporphyrine IX avec le platine(II): synthese, intermediaires, spectres, interet biologique

1973 • 47 citations

Near-Infrared Absorption and Circular Dichroism Spectra of Ferrocytochrome c: d→d Transitions

1969 • 47 citations

Semi-empirical Parameters in pi-Electron Systems. XI. Calculations of the Electronic Structure of Some Nitrogen Heterocycles Including pi-Electrons and sigma Lone Pairs.

1971 • 45 citations

Molecular Orbital Study of the Porphyrins

1957 • 45 citations

Electronic Spectra of High-Spin Iron(III) Tetraphenylporphins

1973 • 45 citations

A theoretical investigation of the electronic structure and excited states of copper porphin

1970 • 44 citations

Metallkomplexe mit tetrapyrrol-liganden

1974 • 44 citations

Complex formation between porphyrins and metal ions

1970 • 44 citations

Synthesis and properties of thallium(III) porphyrin chelates

1973 • 44 citations

Chlorophyll and related substances. Part II. The dehydrogenation of chlorin to prophin and the number of extra hydrogen atoms in the chlorins

1955 • 43 citations

Novel metalloporphyrins. Syntheses and implications

1974 • 43 citations

The Zeeman effect in porphyrins

1968 • 43 citations

Studies on some new metalloporphyrins: Rh(III) and Ir(III) derivatives of mesoporphyrin(IX) diethyl ester and hematoporphyrin(IX) diethyl ester

1968 • 43 citations

A new rhodium(I) porphyrin complex

1972 • 41 citations

Resonance Raman spectra of Cu-etioporphyrins I, I-m e s o-d4, and IV

1975 • 40 citations

Conjugated macrocycles. Part XXVII. The formation of tetrazaporphins from imidines. Tribenzotetrazaporphin

1955 • 40 citations

METALLOPORPHYRINS. ELECTRONIC SPECTRA AND NATURE OF PERTURBATIONS. III. ABSORPTION SPECTRA AND SOLUTE-SOLVENT INTERACTIONS^1a

1963 • 40 citations

Magneto-optical Rotation Spectra of Porphyrins and Phthalocyanines

1965 • 40 citations

Spectra of Porphyrins and Chlorophyll

1944 • 39 citations

Zero-Field Splitting of the Triplet State in Zinc Etioporphyrin

1972 • 39 citations

The polarization of the fluorescence of tetraphenylporphine

1957 • 39 citations

Magnetic Circular Dichroism of Iron Tetraphenylporphins

1970 • 38 citations

Flash Calorimeter for Measuring Triplet Yields

1969 • 38 citations

THE π-π^* PHOSPHORESCENCE OF CHLOROPHYLLS a AND b¹

1960 • 37 citations

Molecular stereochemistry of a six-coordinate nickel(II) porphyrin

1975 • 37 citations

Notes on the synthesis of porphin

1975 • 37 citations

Electronic structure of porphyrins. All-valence-electron SCF MO CI calculations of the spectra of dianion and free base porphin

1973 • 37 citations

Zeeman Effect in Porphyrins: Zero-Field Splitting of the Excited Electronic States

1971 • 37 citations

The Nature of the N-H Bond in the Porphyrins¹

1946 • 37 citations

ANGULAR MOMENTUM, MAGNETIC INTERACTIONS, JAHN‐TELLER AND ENVIRONMENT EFFECTS IN METALLOPORPHYRIN TRIPLET STATES*

1973 • 36 citations

Cobalt(I) Tetraphenylporphin

1972 • 36 citations

Arsen-, antimon- und wismutkomplexe des octaäthylporphins (1)

1974 • 36 citations

Ab initio calculations on large molecules using molecular fragments. Preliminary investigation of ethyl chlorophyllide a and related molecules

1975 • 35 citations

Spectral Studies of the “d⁶” Metalloporphyrins. Ligand and Solvent Field Effects on Ferrous and Cobaltic Mesoporphyrin IX¹

1963 • 35 citations

Simple molecular orbital calculations on the electronic structure of iron-porphyrin complexes

1963 • 35 citations

Studies on the Fluorescence of Chlorophyll. The Effects of Concentration, Temperature, and Solvent.

1943 • 35 citations

The status of molecular orbital calculations on porphyrins and their complexes

1975 • 33 citations

FEATURES OF THE ELECTRONIC STRUCTURE OF THE IRON-PORPHYRIN COMPLEXES WITH SPECIAL REFERENCE TO THE OXIDO-REDUCTIVE PROPERTIES OF CYTOCHROMES

1960 • 33 citations

Unusual Oxidation States of Metalloporphyrins: Octaethylporphinatosilver(<scp>III</scp>) Perchlorate

1972 • 32 citations

MCD of transitions to Jahn-Teller unstable states in the metalloporphins of Mg, Zn, Cu, Pd and Pt

1976 • 32 citations

Porphyrins

1967 • 32 citations

The lowest quartet state of copper porphin: Zeeman experiments at 4.2 K

1975 • 32 citations

Porphyrins

1970 • 31 citations

Deuterium isotope effect on the radiationless decay of the lowest triplet state of a porphyrin free base

1974 • 31 citations

MANGANESE PORPHYRIN COMPLEXES. V. AXIAL INTERACTIONS IN MANGANESE(III) PORPHYRINS*

1973 • 31 citations

Quantenchemische und spektroskopische Untersuchungen an Porphyrinen

1970 • 30 citations

Effect of metal and substituents on the quasi-line spectra of some metalloporphyrins

1977 • 30 citations

ELECTRON SPIN RESONANCE OF TRIPLET STATES AND FREE RADICALS APPEARING IN PORPHYRINS, AROMATIC AMINO‐ACIDS AND PROTEINS UNDER THE EFFECT OF LIGHT

1966 • 30 citations

Visible and ultraviolet absorption spectra of metal chelates of para-substituted tetraphenylporphines

1958 • 29 citations

Vibronic coupling. VII. Magnetic circular dichroism of trimers, aromatic hydrocarbons, and porphyrins

1973 • 28 citations

Molecular Spectroscopy

1971 • 28 citations

A study of porphin analogues—II

1973 • 28 citations

Die Reaktivitäten des Porphins, Chlorins, Bacteriochlorins und Phlorins. Ladungsdichten, Freie Valenzen und Außenelektronendichten / The Reactivities of Porphin, Chlorin, Bacteriochlorin, and Phlorin. Electron Densities, Free Valences and Frontier Orbital Densities

1970 • 28 citations

Ruthenium and rhodium carbonyl tetraphenylporphin chloride

1969 • 28 citations

602. The preparation of some cobaltic porphyrin complexes

1960 • 27 citations

Zeeman effect in the Q-band absorption spectrum of palladiumporphin in an n-octane single crystal

1975 • 26 citations

[Spectral characteristics of chlorophyll and pheophytin a and b phosphorescence].

1974 • 26 citations

On the Electronic Spectra of Porphine

1959 • 26 citations

A semiempirical MO study of the electronic structure and excited states of the Tris(2,2?-bipyridyl)Iron(II) and Tris(glyoxal-Bis-N-methylimine)iron(II)Ions

1973 • 25 citations

Oscillator strengths for electronic spectra of conjugated molecules from transition gradients III. Polyacenes

1969 • 25 citations

Heitler-London Calculation on the Bonding of Oxygen to Hemoglobin. I. Singlet States in the Case of O-O Axis Parallel to Heme Plane

1972 • 24 citations

Berechnung von Ionisierungsenergien aus Redoxpotentialen

1968 • 23 citations

On the molecular origin of the anomalous polarization in the resonance raman of metalloporphyrins

1976 • 23 citations

Linear dichroism of free base tetraphenyl porphin

1976 • 23 citations

Electronic ground state of iron in octamethyltetrabenzporphyriniron(II), a new square planar ferrous porphyrin

1974 • 23 citations

THE MAGNETIC CIRCULAR DICHROISM OF PORPHYRIN DICATIONS¹*

1973 • 22 citations

Molecular Fluorescence from High Vibrational Levels of Excited Electronic States

1972 • 21 citations

UNUSUAL METALLOPORPHYRINS XI. FURTHER STUDIES ON RHENIUM (I) PORPHYRINS

1972 • 21 citations

Matrix elements for intersystem crossing

1975 • 21 citations

Photochemistry of Biologically Important Transition Metal Complexes. II. Carbonylpiperidinetetraphenylporphine Complexes of Iron(II) and Ruthenium(II)

1976 • 21 citations

An LCAO MO Study of the Structure of Chlorophyll Prototypes

1955 • 20 citations

Projected electron density method of π‐eletron systems II. Excited states

1968 • 20 citations

The linear dichroism spectra of free base and manganese(III) porphyrins

1976 • 20 citations

Spectroscopic Studies of the Simpler Porphyrins I. The Absorption Spectra of Porphin, ms-Methyl Porphin, ms-Ethyl Porphin, ms-Propyl Porphin and ms-Phenyl Porphin

1936 • 20 citations

328. Chlorophyll and related substances. Part III. The synthesis of octamethylchlorin

1956 • 20 citations

Novel mercury(<scp>II</scp>) porphyrins: identification of poryphyrin primary ‘type-isomers’

1973 • 19 citations

A spectroscopic study of haematin compounds in the Soret region

1963 • 19 citations

Heitler-London Calculation on the Bonding of Oxygen to Hemoglobin. II. Explanation of the Diamagnetism of Oxyhemoglobin for the Parallel Arrangement of O₂ to the Heme

1973 • 18 citations

481. Conjugated macrocycles. Part XXIX. Tribenzotetrazaporphin metal derivatives and dibromotribenzotetrazaporphin

1957 • 18 citations

Raman Spectra of Porphyrins

1973 • 17 citations

N° 3. — Structure électronique des complexes fer-porphyrine

1961 • 17 citations

Bis(phthalocyaninato)thorium(IV) und ‐uran(IV)

1968 • 17 citations

High Sensitivity Linear Dichroism Spectrum of Tetraphenylporphyrin in Stretched Polyethylene.

1972 • 16 citations

Magnetic circular dichroism of the iron (III) porphyrins.

1976 • 16 citations

Recherches théoriques sur les complexes

1965 • 15 citations

Spectra of zinc tetrabenzporphyrin in n-octane

1976 • 15 citations

The luminescence of heterobischelated complexes of iridium(III). II. Analysis of the thermally nonequilibrated levels in the luminescence of cis-dichloro(1,10-phenanthroline)(4,7-dimethyl-1,10-phenanthroline)iridium(III) chloride

1976 • 15 citations

Visible absorption spectra of N-methyltetraphenylporphyrin complexes

1976 • 15 citations

Octaethylporphinatodioxoosmium(VI) An Extreme Metal Oxidation State within a Porphin System

1974 • 15 citations

Spectral Studies of Ferrous Deuteroporphyrin in Organic Solvents

1973 • 14 citations

Magnetic circular dichroism studies. Part XXIX. Magnetic circular dichroism spectra of magnesium and zinc octaethylporphyrins and their five- and six-co-ordinated complexes

1974 • 13 citations

Effects of Ring Geometry on Triplet and Singlet Energies of the Metal Mesoporphyrins

1970 • 13 citations

N-Methyltetraphenylporphyrin complexes. Crystal and molecular structure of chloro-N-methyl-.alpha.,.beta.,.gamma.,.delta.-tetraphenylporphinatocobalt(II)

1976 • 12 citations

π‐electron absorption spectra in free‐base phthalocyanine and porphyrin

1971 • 12 citations

Studies of the emitting states of some metalloporphyrins by magnetically induced circular emission (MCE)

1975 • 11 citations

245. Theoretical studies of the macrocyclic pigments. Part I. The structure of bacteriochlorophyll

1956 • 11 citations

The structure of bis(dimethylamine) α, β, γ, δ, -tetraphenyl-porphinerhodium (III) chloride

1973 • 10 citations

Quantenchemische und spektroskopische Untersuchungen an Porphyrinen. III. Die Chlorine / Quantum Chemical and Spectroscopical Studies on Porphyrins. III. The Chlorins

1972 • 10 citations

Magnetic Circular Dichroism of the Iron(III) Porphins

1976 • 10 citations

Relaxation mechanisms from excited singlet states and the effect of spin—orbit coupling

1972 • 9 citations

Phosphorescence spectrum and triplet state of Sn(IV) tetraphenylporphin

1974 • 9 citations

Optical spectra of Cu porphin and VO porphin in single crystal triphenylene

1974 • 9 citations

Spin-dependent deuterium isotope effect on the radiationless decay of a porphyrin triplet state

1976 • 8 citations

A study of porphin analogues—I

1972 • 7 citations

Study of Spectral and Time Characteristics of Tetrapyrrole Molecules in the Triplet State by Laser Photolysis

1973 • 7 citations

Manganese porphyrin complexes. VII. chloro(α,β,γ,δ, tetraphenylchlorin) manganese (III)

1973 • 7 citations

Probes and Membrane Function

1971 • 7 citations

Quantenchemische und spektroskopische Untersuchungen an Porphyrinen. IV. Die Bacteriochlorine / Quantum Chemical and Spectroscopical Studies on Porphyrins IV. The Bacteriochlorins

1972 • 7 citations

Out-of-plane metalloporphyrin complexes

1975 • 6 citations

Spectra of porphyrins

1967 • 6 citations

An approximate SCF MO theory of molecules based on slater's Xα method

2009 • 1 citations