Characterization of the temporary anion states of metal carbonyl complexes: an MS-X.alpha. and ETS study of chromium hexacarbonyl and iron pentacarbonyl

1988 ◽  
Vol 110 (2) ◽  
pp. 375-379 ◽  
Author(s):  
Maurizio. Guerra ◽  
Derek. Jones ◽  
Giuseppe. Distefano ◽  
Antonio. Foffani ◽  
Alberto. Modelli
Keyword(s):  
Metal Carbonyl ◽  
Iron Pentacarbonyl ◽  
Carbonyl Complexes ◽  
Chromium Hexacarbonyl ◽  
Metal Carbonyl Complexes

scholarly journals Synthesis and Characterization of Group-6 Metal Carbonyl Complexes of Aroyl Hydrazone Derivatives

2012 ◽  
Vol 9 (2) ◽  
pp. 807-817 ◽  
Author(s):  
Mohd Saleem ◽  
Mohita Sharma ◽  
Simpy Mahajan ◽  
H. N. Sheikh ◽  
B. L. Kalsotra
Keyword(s):  
Benzoic Acid ◽  
Metal Carbonyl ◽  
Carbonyl Oxygen ◽  
Azomethine Nitrogen ◽  
Carbonyl Complexes ◽  
H Nmr ◽  
Metal Carbonyl Complexes ◽  
Secular Equations ◽  
Ir Bands

Carbonyl complexes of Chromium, molybdenum and tungsten of composition, [M(CO)4L-L], (where M= Cr, Mo or W and L-L= benzoic acid[1-(Furan-2-yl)methylene]hydrazide (BFMH), benzoic acid[(thiophene-2-yl)methylene]hydrazide (BTMH), benzoic acid[1-(thiophene-2-yl)ethylidene] hydrazide (BTEH), benzoic acid (phenylmethylene)hydrazide (BPMH) and benzoic acid[1-(anisol-3-yl)methylene] hydrazide (BAMH) are reported. These have been prepared by refluxing metal carbonyls and the ligands in 1:1molar ratio. The complexes were characterized by elemental analysis, IR spectra, UV-vis spectra,1H NMR, TGA/DTA, conductivity and magnetic susceptibility measurements. The IR bands suggest that in all the complexes the ligands behave as neutral bidentate chelating type coordinating metal through carbonyl oxygen and azomethine nitrogen. The CO force constants and CO-CO interaction constants for these derivatives have been calculated using Cotton-Kraihanzel secular equations, which indicate poorπ-bonding ability of the coordinated ligands.

scholarly journals Computational Characterization of Bidentate P-Donor Ligands: Direct Comparison to Tolman’s Electronic Parameters

Molecules ◽  
2018 ◽  
Vol 23 (12) ◽  
pp. 3176 ◽  
Author(s):  
Tímea Kégl ◽  
Noémi Pálinkás ◽  
László Kollár ◽  
Tamás Kégl
Keyword(s):  
Density Functional Theory ◽  
Density Functional ◽  
Metal Carbonyl ◽  
Donor Ligands ◽  
Carbonyl Complexes ◽  
Electronic Effects ◽  
Functional Theory ◽  
Metal Carbonyl Complexes ◽  
Electronic Parameters

The applicability of two types of transition-metal carbonyl complexes as appropriate candidates for computationally derived Tolman’s ligand electronic parameters were examined with density functional theory (DFT) calculations employing the B97D3 functional. Both Pd(0)L2(CO) and HRh(I)L2(CO) complexes correlated well with the experimental Tolman Electronic Parameter scale. For direct comparison of the electronic effects of diphosphines with those of monophosphines, the palladium-containing system is recommended. The t r a n s influence of various phosphines did not show a major difference, but the decrease of the H-Rh-P angle from linear can cause a significant change.

New Metal Carbonyl Complexes of Mixed Group 15/16 Anions: Structural Characterization of [Fe(As3Se3)2(CO)]2-, [Mn(As3Se5)(CO)3]2-, and [Fe2(AsTe4)2(CO)4]2-

1995 ◽  
Vol 34 (17) ◽  
pp. 4385-4391 ◽  
Author(s):  
Thomas M. Martin ◽  
Paul T. Wood ◽  
George L. Schimek ◽  
William T. Pennington ◽  
Joseph W. Kolis
Keyword(s):  
Structural Characterization ◽  
Metal Carbonyl ◽  
Mixed Group ◽  
Carbonyl Complexes ◽  
Metal Carbonyl Complexes ◽  
Group 15
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