Time-Resolved Infrared Study of 355 nm Laser Photolysis of (η6-C6H6)Cr(CO)3 in Gas Phase

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 C_2v 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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