Transient X-ray diffraction reveals global and major reaction pathways for the photolysis of iodoform in solution

被引：54

作者：

Lee, Jae Hyuk ^{[1
]}

Kim, Joonghan ^{[1
]}

Cammarata, Marco ^{[2
]}

Kong, Qingyu ^{[2
]}

Kim, Kyung Hwan ^{[1
]}

Choi, Jungkweon ^{[1
]}

Kim, Tae Kyu ^{[3
]}

Wulff, Michael ^{[2
]}

Ihee, Hyotcherl ^{[1
]}

机构：

[1] Korea Adv Inst Sci & Technol, Ctr Time Resolved Diffract, Dept Chem, BK 21, Taejon 305701, South Korea

[2] European Synchrotron Radiat Facil, F-38043 Grenoble, France

[3] Pusan Natl Univ, Dept Chem, Pusan 609735, South Korea

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2008年 / 47卷 / 06期

关键词：

iodoform; liquids; photolysis; structural dynamics; X-ray diffraction;

D O I：

10.1002/anie.200704150

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

(Figure Presented) The structural dynamics of the photodissociation of iodoform in methanol (see picture: H blue, C green, I violet) are revealed by means of time-resolved X-ray diffraction in solution (also called transient X-ray liquidography because of its analogy to crystallography). While spectroscopic studies suggest the existence of isoiodoform, no signals are observed for this intermediate species in time-resolved diffraction experiments performed using time delays between 100 ps and 3 μs. © 2008 Wiley-VCH Verlag GmbH & Co. KGaA.

引用

页码：1047 / 1050

页数：4

共 33 条

[1] RATE CONSTANTS FOR THE RECOMBINATION OF IODINE ATOMS IN LIQUID HEXANE AND DECANE - TEMPERATURE COEFFICIENT FOR THE RECOMBINATION IN CARBON TETRACHLORIDE [J].

ADITYA, S ;

WILLARD, JE .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1957, 79 (11) :2680-2681

[2] Early time dynamics of trans-azobenzene isomerization in solution from resonance Raman intensity analysis [J].

Biswas, N ;

Umapathy, S .

JOURNAL OF CHEMICAL PHYSICS, 1997, 107 (19) :7849-7858

[3] A new integral equation formalism for the polarizable continuum model: Theoretical background and applications to isotropic and anisotropic dielectrics [J].

Cances, E ;

Mennucci, B ;

Tomasi, J .

JOURNAL OF CHEMICAL PHYSICS, 1997, 107 (08) :3032-3041

[4] Structural determination of a transient isomer of CH2I2 by picosecond x-ray diffraction -: art. no. 245503 [J].

Davidsson, J ;

Poulsen, J ;

Cammarata, M ;

Georgiou, P ;

Wouts, R ;

Katona, G ;

Jacobson, F ;

Plech, A ;

Wulff, M ;

Nyman, G ;

Neutze, R .

PHYSICAL REVIEW LETTERS, 2005, 94 (24)

[5] Ultrafast diffraction imaging of the electrocyclic ring-opening reaction of 1,3-cyclohexadiene [J].

Dudek, RC ;

Weber, PM .

JOURNAL OF PHYSICAL CHEMISTRY A, 2001, 105 (17) :4167-4171

[6]

FRISCH MJ, GAUSSIN03 REV A 1

[7] EXTENSION OF GAUSSIAN-2 (G2) THEORY TO BROMINE-CONTAINING AND IODINE-CONTAINING MOLECULES - USE OF EFFECTIVE CORE POTENTIALS [J].

GLUKHOVTSEV, MN ;

PROSS, A ;

MCGRATH, MP ;

RADOM, L .

JOURNAL OF CHEMICAL PHYSICS, 1995, 103 (05) :1878-1885

[8] Visualizing reaction pathways in photoactive yellow protein from nanoseconds to seconds [J].

Ihee, H ;

Rajagopal, S ;

Srajer, V ;

Pahl, R ;

Anderson, S ;

Schmidt, M ;

Schotte, F ;

Anfinrud, PA ;

Wulff, M ;

Moffat, K .

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2005, 102 (20) :7145-7150

[9]

Ihee H, 2005, SCIENCE, V309, P1223, DOI 10.1126/scheme.1114782

[10] Direct imaging of transient molecular structures with ultrafast diffraction [J].

Ihee, H ;

Lobastov, VA ;

Gomez, UM ;

Goodson, BM ;

Srinivasan, R ;

Ruan, CY ;

Zewail, AH .

SCIENCE, 2001, 291 (5503) :458-462

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