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A vitrational spectroscopic study of Hofmann type complexes of 3-methylpyridines and 4-methylpyridines.

Akyüz, Sevim and Pasaoglu, Hümeyra and Davies, J. Eric D. (1994) A vitrational spectroscopic study of Hofmann type complexes of 3-methylpyridines and 4-methylpyridines. Journal of Molecular Structure, 317 (3). pp. 215-221.

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Abstract

The FT-IR and Raman spectra of eight new Hofmann-type complexes of 3- and 4-methylpyridine, ML2Ni(CN)4 (M = Mn, Fe, Co or Zn; L = 3- or 4-methylpyridine) are reported. The structure consists of corrugated polymeric layers of [M---Ni(CN)4]∞ with methylpyridine molecules bound directly to the metal (M). For a given ligand (3-Mepy or 4-Mepy) the effects of metal---ligand bond formation on the ligand modes are examined and the metal sensitivity sequence of the ligand frequencies is found to be Mn < Fe < Co < Zn. The metal---ligand bond strengths of the methyl derivatives of pyridine in which the substituents are in different positions have also been compared and are found to increase in the order 3-Mepy < 4-Mepy for a given transition metal. The effective magnetic moments of the complexes are given.

Item Type: Article
Journal or Publication Title: Journal of Molecular Structure
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
Departments:
ID Code: 22386
Deposited By: ep_ss_importer
Deposited On: 04 Feb 2009 13:37
Refereed?: Yes
Published?: Published
Last Modified: 26 Jul 2012 16:00
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/22386

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