EVIDENCE FOR A CAGE EFFECT IN THE UV PHOTOLYSIS OF HBR IN AR-HBR - THEORETICAL AND EXPERIMENTAL RESULTS

被引:62
作者
SEGALL, J
WEN, Y
SINGER, R
WITTIG, C
GARCIAVELA, A
GERBER, RB
机构
[1] HEBREW UNIV JERUSALEM,DEPT PHYS CHEM,IL-91904 JERUSALEM,ISRAEL
[2] HEBREW UNIV JERUSALEM,FRITZ HABER RES CTR MOLEC DYNAM,IL-91904 JERUSALEM,ISRAEL
[3] UNIV CALIF IRVINE,DEPT CHEM,IRVINE,CA 92717
[4] CSIC,INST MATEMAT & FIS FUNDAMENTAL,E-28006 MADRID,SPAIN
关键词
D O I
10.1016/0009-2614(93)89037-I
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
Evidence for a cage effect in the 193 nm photodissociation of HBr in the Ar-HBr cluster is found. This effect manifests itself as a tail extending toward lower energies in the hydrogen photofragment kinetic energy distribution (KED). This is a consequence of energy transfer in collisions between the light and the heavy atoms. There is good agreement between the experimental and theoretical KEDs.
引用
收藏
页码:504 / 509
页数:6
相关论文
共 26 条
[1]   SOLVATION EFFECTS ON CHEMICAL-REACTION DYNAMICS IN CLUSTERS - PHOTODISSOCIATION OF HI IN XENHI [J].
ALIMI, R ;
GERBER, RB .
PHYSICAL REVIEW LETTERS, 1990, 64 (12) :1453-1456
[2]   AN IMPROVED POTENTIAL FOR AR-KR [J].
AZIZ, RA ;
VANDALEN, A .
JOURNAL OF CHEMICAL PHYSICS, 1983, 78 (05) :2413-2418
[3]   ON THE POSSIBILITY OF NONADIABATIC TRANSITIONS IN THE PHOTODISSOCIATION OF I2M CLUSTERS EXCITED ABOVE THE DISSOCIATION LIMIT OF THE B-STATE [J].
BESWICK, JA ;
MONOT, R ;
PHILIPPOZ, JM ;
VANDENBERGH, H .
JOURNAL OF CHEMICAL PHYSICS, 1987, 86 (07) :3965-3967
[4]  
BOHMER E, 1992, J CHEM PHYS, V97, P2536, DOI 10.1063/1.463092
[5]   OBSERVATION OF THE INTERMEDIATE STATES IN THE (XE-CL2)STAR-]XECLSTAR(B,C) + CL REACTION [J].
BOIVINEAU, M ;
LECALVE, J ;
CASTEX, MC ;
JOUVET, C .
CHEMICAL PHYSICS LETTERS, 1986, 130 (03) :208-212
[6]   ORBITALLY SELECTIVE CHEMICAL-REACTION IN HG-H2 VANDERWAALS COMPLEXES [J].
BRECKENRIDGE, WH ;
JOUVET, C ;
SOEP, B .
JOURNAL OF CHEMICAL PHYSICS, 1986, 84 (03) :1443-1450
[7]   THE USE OF VANDERWAALS FORCES TO ORIENT CHEMICAL REACTANTS - THE H+CO2 REACTION [J].
BUELOW, S ;
RADHAKRISHNAN, G ;
CATANZARITE, J ;
WITTIG, C .
JOURNAL OF CHEMICAL PHYSICS, 1985, 83 (01) :444-445
[8]  
BUELOW S, 1986, J PHYS CHEM-US, V90, P1045
[9]   DYNAMICS OF MOLECULAR PHOTODISSOCIATION IN CLUSTERS - A STUDY OF AR-HCL [J].
GARCIAVELA, A ;
GERBER, RB ;
VALENTINI, JJ .
CHEMICAL PHYSICS LETTERS, 1991, 186 (2-3) :223-228
[10]  
GARCIAVELA A, 1991, J CHEM PHYS, V97, P327