SOLID-STATE INFRARED AND RAMAN-SPECTRA OF CARBONYL-TERT-BUTYL ISOCYANIDE COMPLEXES OF CHROMIUM(0), MOLYBDENUM(0) AND TUNGSTEN(0), M(CO)6-N(CNBU-T)N(N=1-3)

被引：7

作者：

LI, HQ ^{[1
]}

BUTLER, IS ^{[1
]}

UHM, HWL ^{[1
]}

机构：

[1] MCGILL UNIV,DEPT CHEM,801 SHERBROOKE ST W,MONTREAL H3A 2K6,QUEBEC,CANADA

来源：

JOURNAL OF RAMAN SPECTROSCOPY | 1992年 / 23卷 / 08期

关键词：

D O I：

10.1002/jrs.1250230806

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

Vibrational assignments are reported for the room-temperature IR and Raman spectra of three series of solid group 6B metal(0) carbonyl-tert-butyl isocyanide complexes of the general formula M(CO)6-n(CNBu-t)n, where M = Cr, Mo, W and n = 1-3. Sequential replacement of the CO groups by CNBu-t leads to gradual shifts of the v(CN) bands to higher energies, while the v(CO) bands shift to lower energies. These results provide good evidence for the stronger sigma-donor and weaker pi-acceptor capacities of the CNBu-t ligand compared with those of CO.

引用

页码：457 / 464

页数：8

共 48 条

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