Reactions of mercuric halides with some substituted iron carbonyls; infrared spectra of the products and related adducts
- 1 January 1968
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc. A
- p. 1067-1072
- https://doi.org/10.1039/j19680001067
Abstract
The complexes Fe(CO)3L2, (L = Ph3P, Ph3As, Ph3Sb), react with mercuric halides to form 1 : 1 adducts; spectroscopic and conductivity evidence suggests their formulation as metal–donor complexes L2(CO)3Fe → HgX2. A 1 : 2 complex is formed by Fe(CO)3{(PhO)3P}2 and consists of a 1 : 1 compound plus a molecule of mercuric halide. Analogous structures are suggested for Fe(CO)5,nHgX2, (n= 1, 2). Features of the low-frequency spectra of the parent compounds and the adducts are discussed. Mercury–halogen frequencies are correlated with various structural situations.Keywords
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