A Study of UV-Vis Spectra of Substituted Cyclopentadienyl Chromium, Molybdenum and Tungsten Carbonyls

Chem. J. Chinese Universities ›› 1995, Vol. 16 ›› Issue (10): 1580.

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A Study of UV-Vis Spectra of Substituted Cyclopentadienyl Chromium, Molybdenum and Tungsten Carbonyls

LI Song-Lan, LI Gui-Ping, LIAO Dai-Zheng, WU Lin, ZHU Jiang-Zhen, SONG Li-Cheng

Department of Chemistry, Nankai University, Tianjin, 300071

Received:1994-12-26 Revised:1995-06-23 Online:1995-10-24 Published:1995-10-24

Abstract

Abstract: The UV-Vis spectra of the substituted cyclopentadienyl chromium, molybdenum and tungsten carbonyls have been measured in five solvents, The concentration effects of the CT(CO-M) bands, n-π^*bands have been studied and the phenomena mentioned above were interpreted by the Franck-Condon principles. The CTbands undergo a gradual red shift as the concentration of the solution increases and the nonlinear relation between the λ_max of the CT band and Cwas simulated by a computer.

Key words: UV-Vis, Concentration effects, Computer simulation

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LI Song-Lan, LI Gui-Ping, LIAO Dai-Zheng, WU Lin, ZHU Jiang-Zhen, SONG Li-Cheng . A Study of UV-Vis Spectra of Substituted Cyclopentadienyl Chromium, Molybdenum and Tungsten Carbonyls[J]. Chem. J. Chinese Universities, 1995, 16(10): 1580.

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A Study of UV-Vis Spectra of Substituted Cyclopentadienyl Chromium, Molybdenum and Tungsten Carbonyls

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