Time-resolved resonance Raman spectra of the intramolecular charge transfer state of DMABN

被引:39
作者
Kwok, WM
Ma, C
Matousek, P
Parker, AW [1 ]
Phillips, D
Toner, WT
Towrie, M
机构
[1] Rutherford Appleton Lab, CLRC, Cent Laser Facil, Didcot OX11 0QX, Oxon, England
[2] Univ Oxford, Clarendon Lab, Dept Phys, Oxford OX1 3PU, England
[3] Univ London Imperial Coll Sci Technol & Med, Dept Chem, London SW7 2AY, England
基金
英国工程与自然科学研究理事会;
关键词
D O I
10.1016/S0009-2614(00)00436-X
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
Picosecond time-resolved Raman spectra of the intramolecular charge transfer state of DMABN and DMABN-d(6), have been obtained in resonance with two different electronic states, using probes at 330 and 400 nm. Fluorescence was rejected using a Kerr gate. Several resonance Raman bands in the 750-2200 cm(-1) region are reported for the first time. The prominent C=N stretch at 2096 cm(-1) and bands sensitive to the amino group deuteration are only observed using the 330 nm probe. At 400 nm, bands assigned to modes localised on the ring dominate the spectrum. The results support the TICT model. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:395 / 400
页数:6
相关论文
共 26 条
[1]   Vibrational spectra of N,N-dimethylaniline and its radical cation. An interpretation based on quantum chemical calculations [J].
Brouwer, AM ;
Wilbrandt, R .
JOURNAL OF PHYSICAL CHEMISTRY, 1996, 100 (23) :9678-9688
[2]   Excited state structure of 4-(dimethylamino)benzonitrile studied by femtosecond mid-infrared spectroscopy and ab initio calculations [J].
Chudoba, C ;
Kummrow, A ;
Dreyer, J ;
Stenger, J ;
Nibbering, ETJ ;
Elsaesser, T ;
Zachariasse, KA .
CHEMICAL PHYSICS LETTERS, 1999, 309 (5-6) :357-363
[3]   VIBRATIONAL-SPECTRA OF COMPOUNDS CONTAINING DIMETHYLAMINO-GROUP .2. PARA-NN-DIMETHYLAMINOBENZONITRILE AND N-METHYLTOLUIDINES [J].
GATES, PN ;
STEELE, D ;
PEARCE, RAR .
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2, 1972, (11) :1607-&
[4]   INTRAMOLECULAR CHARGE-TRANSFER EXCITED-STATE RELAXATION PROCESSES IN PARASUBSTITUTED N,N-DIMETHYLANILINE - A THEORETICAL-STUDY INCLUDING SOLVENT EFFECTS [J].
GORSE, AD ;
PESQUER, M .
JOURNAL OF PHYSICAL CHEMISTRY, 1995, 99 (12) :4039-4049
[5]   STRUCTURE OF THE TWISTED-INTRAMOLECULAR-CHARGE-TRANSFER EXCITED SINGLET AND TRIPLET-STATES OF 4-(DIMETHYLAMINO)BENZONITRILE AS STUDIED BY NANOSECOND TIME-RESOLVED INFRARED-SPECTROSCOPY [J].
HASHIMOTO, M ;
HAMAGUCHI, H .
JOURNAL OF PHYSICAL CHEMISTRY, 1995, 99 (20) :7875-7877
[6]   FREE-RADICAL STUDIES BY RESONANCE RAMAN-SPECTROSCOPY - PHOTOCHEMICALLY GENERATED N-SUBSTITUTED BENZIDINE CATION RADICALS [J].
HESTER, RE ;
WILLIAMS, KPJ .
JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS II, 1981, 77 :541-547
[7]   IR SPECTRA OF ANION-RADICALS OF AROMATIC MONO-NITRILES, AND ELECTRON TRANSITIONS BETWEEN ANION RADICALS AND NEUTRAL MOLECULES [J].
JUCHNOVS.I ;
TSVETANO.C ;
PANAYOTO.I .
MONATSHEFTE FUR CHEMIE, 1969, 100 (06) :1980-+
[8]   A THEORETICAL-STUDY ON THE MECHANISM OF CHARGE-TRANSFER STATE FORMATION OF 4-(N,N-DIMETHYLAMINO)BENZONITRILE IN AN AQUEOUS-SOLUTION [J].
KATO, S ;
AMATATSU, Y .
JOURNAL OF CHEMICAL PHYSICS, 1990, 92 (12) :7241-7257
[9]   Vibrational spectra and normal coordinate analysis of 4-(dimethylamino)benzaldehyde and selected isotopic derivatives [J].
Kushto, GP ;
Jagodzinski, PW .
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY, 1998, 54 (06) :799-819
[10]  
KWOK WM, IN PRESS J PHYS CHEM