Phosphine-substituted carbonyl halide complexes of chromium and molybdenum

1968 ◽  
Vol 46 (10) ◽  
pp. 1649-1653 ◽  
Author(s):  
A. D. Allen. ◽  
P. F. Barrett

A number of phosphine tetracarbonyl halide salts of the Group VI metals have been prepared of the type: cis-[Et4N][PR3M(CO)4X] where PR3 = (p-FC6H4)3P or (p-ClC6H4)3P, M = Cr or Mo for X = Cl, and M = Mo for X = Br, by the reaction of phosphines with the pentacarbonyl halides [Et4N][M(CO)5X]. A new method for the preparation of cis-[Formula: see text] complexes from the phosphine tetracarbonyl halides is described.Assignments are made for the bands in the carbonyl stretching region of the infrared spectra of these complexes.

1973 ◽  
Vol 27 (3) ◽  
pp. 213-217 ◽  
Author(s):  
Y. Saito ◽  
C. W. Schläpfer ◽  
M. Cordes ◽  
K. Nakamoto

The far infrared spectra of Ni (pyridine)4X2 and Ni(γ-picoline)4X2 (X = CI, Br and I) have been measured. The Ni-X and Ni-N stretching bands have been assigned based on isotopic shifts due to the 58Ni-62Ni, pyridine-pyridine-d5, and Cl-37Cl substitutions.


Author(s):  
Kirk H. Michaelian ◽  
Kelly L. Akers ◽  
Shuliang L. Zhang ◽  
Shmuel Yariv ◽  
Isaak Lapides

2002 ◽  
Vol 106 (15) ◽  
pp. 3819-3822 ◽  
Author(s):  
Lin Zhang ◽  
Hua Wei ◽  
Yu Zhang ◽  
Zijian Guo ◽  
Longgen Zhu

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