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|Title:||Synthesis and characterization of nicotinic acid coordinated metal carbonyl complexes|
|Abstract:||Two zero-valent metal carbonyl complexes fac -[M(CO)3(NI C)3] (where M = Mo, W; 3, 4; NIC = 3-HO2CC5H4N) have been synthesized and characterized by elemental and thermal analyses (TGA, EGA), IR and powder X-ray diffraction (XRD) spectroscopic techniques. The IR spectrum of complex 3 exhibits three CO stretching bands and 4 shows two CO stretching bands in addition to a carboxylic-carbonyl stretching band. The possibility of fac / mer isomerization in complex 3 has been studied by IR spectroscopy in various solvents. Elemental, and mass spectrometric data are consistent with the formulae of the title complexes. The powder X-ray diffractogram of complexes 3 and 4 exhibit similar pattern suggesting the same geometry.|
|Appears in Collections:||IJC-A Vol.41A(05) [May 2002]|
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