Chin. Phys. Lett.  1991, Vol. 8 Issue (9): 491-494    DOI:
Original Articles |
Time-Resolved Infrared Study of 355 nm Laser Photolysis of (η6-C6H6)Cr(CO)3 in Gas Phase
WANG Wenhua;JIN Pei;LIU Yanwei;SHE Yongbo;FU Kejian
Institute of Physics, Academia Sinica, Beijing 100080
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WANG Wenhua, JIN Pei, LIU Yanwei et al  1991 Chin. Phys. Lett. 8 491-494
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Abstract The time-resolved infrared absorption spectra obtained upon 355 nm laser photolysis of the gas phase (η6-C6H6)Cr(CO)3 are presented. (η6-C6H6)Cr(CO)2 is produced upon absorption of a single ultroviolet photon. The bands observed at 1917 and 1981 cm-1 are assigned to B1 and A1 terminal carbonyl-stretching modes of (η6-C6H6)Cr(CO)2 with local C2v symmetry. The bond angle of OC-Cr-CO in (η6-C6H6)Cr(CO)2 is estimated to be 101°. The rate constant for reaction of (η6-C6H6)Cr(CO)2 with CO is determined as (3.4 ± 0.2) x l05 Torr-1s-1at 80°C.
Keywords: 82.50.-a      33.20.Ea      82.30.Vy     
Published: 01 September 1991
PACS:  82.50.-a  
  33.20.Ea (Infrared spectra)  
  82.30.Vy (Homogeneous catalysis in solution, polymers and zeolites)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y1991/V8/I9/0491
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WANG Wenhua
JIN Pei
LIU Yanwei
SHE Yongbo
FU Kejian
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