TRANSIENT RESONANCE RAMAN-SPECTRUM OF MESOTETRAPHENYLPORPHINE - AN ANALYSIS OF CHEMICAL FACTORS THAT INFLUENCE THE DYNAMICS OF THE EXCITED TRIPLET-STATES OF METALLOPORPHYRINS

被引：41

作者：

DEPAULA, JC ^{[1
]}

WALTERS, VA ^{[1
]}

NUTAITIS, C ^{[1
]}

LIND, J ^{[1
]}

HALL, K ^{[1
]}

机构：

[1] LAFAYETTE COLL,DEPT CHEM,EASTON,PA 18042

来源：

JOURNAL OF PHYSICAL CHEMISTRY | 1992年 / 96卷 / 26期

关键词：

D O I：

10.1021/j100205a004

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We report the resonance Raman spectrum of the first excited singlet (S1) and triplet (T1) states of meso-tetraphenylporphine. The structure of the T1 state is characterized by a weakening of the C(beta)C(beta) bonds and a strengthening of the C(alpha)N bonds relative to the ground electronic state. These changes are of considerably lower amplitude than those observed for zinc(II) tetraphenylporphyrin, where Jahn-Teller instability of the T1 state was observed (Walters, V. A.; de Paula, J. C.; Babcock, G. T.; Leroi, G. E. J. Am. Chem. Soc. 1989,111, 8300). By comparing data on a number of compounds, we provide a preliminary analysis of the chemical factors that modulate the dynamics of the excited states of porphyrins.

引用

页码：10591 / 10594

页数：4

共 19 条

[1] TIME-RESOLVED SPONTANEOUS AND COHERENT RAMAN-SCATTERING OF NI-OCTAETHYLPORPHYRIN IN EXCITED ELECTRONIC STATES
CHIKISHEV, AY
KAMALOV, VF
KOROTEEV, NI
KVACH, VV
SHKURINOV, AP
TOLEUTAEV, BN
[J]. CHEMICAL PHYSICS LETTERS, 1988, 144 (01) : 90 - 95
[2] METAL PHTHALOCYANINES AND PORPHYRINS AS PHOTOSENSITIZERS FOR REDUCTION OF WATER TO HYDROGEN
DARWENT, JR
DOUGLAS, P
HARRIMAN, A
PORTER, G
RICHOUX, MC
[J]. COORDINATION CHEMISTRY REVIEWS, 1982, 44 (01) : 83 - 126
[3] ISOLATED ULTRACOLD PORPHYRINS IN SUPERSONIC EXPANSIONS .1. FREE-BASE TETRAPHENYLPORPHYRIN AND ZN-TETRAPHENYLPORPHYRIN
EVEN, U
MAGEN, J
JORTNER, J
FRIEDMAN, J
LEVANON, H
[J]. JOURNAL OF CHEMICAL PHYSICS, 1982, 77 (09) : 4374 - 4383
[4] PHOTODYNAMICS OF NICKEL PORPHYRINS IN NONCOORDINATING SOLVENTS - CHARACTERIZATION OF D-D EXCITED-STATES USING TRANSIENT RAMAN-SPECTROSCOPY
FINDSEN, EW
SHELNUTT, JA
ONDRIAS, MR
[J]. JOURNAL OF PHYSICAL CHEMISTRY, 1988, 92 (02) : 307 - 314
[5] FUHRHOP JH, 1975, LABORATORY METHODS P, P13
[6] ANGULAR-MOMENTUM, MAGNETIC INTERACTIONS, JAHN-TELLER AND ENVIRONMENT EFFECTS IN METALLOPORPHYRIN TRIPLET-STATES
GOUTERMAN, M
[J]. ANNALS OF THE NEW YORK ACADEMY OF SCIENCES, 1973, 206 (OCT22) : 70 - 83
[7] Gouterman M., 1978, PORPHYRINS VOLUME 3, P1, DOI DOI 10.1016/B978-0-12-220103-5.50008-8
[8] MAGGIORA GM, 1973, J AM CHEM SOC, V95, P6655
[9] Morgan B., 1987, METAL COMPLEXES TETR, VI, P115
[10] NAM HH, 1990, 12TH P INT C RAM SPE, P618

← 1 2 →