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Metal Complexes (Co3+, Fe3+, Mn3+) of the Quinquedentate Salen Analogue, 2-Methyl-4-benzylthio-N,N'-butane-1,2-diylbis(salicylideneimine): Crystal Structures and Sulphur Co-ordination Effects

DOI: 10.1039/DT9890000179

Source and publish data:

Journal of the Chemical Society, Dalton Transactions p. 179 - 184 (1989)

Update date:2022-09-26

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Authors:

Tomita, MunetoshiTomita, Munetoshi

Matsumoto, NaohideMatsumoto, Naohide

Akagi, HisakoAkagi, Hisako

Okawa, HisashiOkawa, Hisashi

Kida, SigeoKida, Sigeo

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Article abstract of DOI:10.1039/DT9890000179

Three methal complexes, PF6 (Him=imidazole), , and BPh4, were obtained using a quinquedentate sale analogue with a pendant sulphur capable of axial co-ordination, 2-methyl-4-benzylthio-N,N'-butane-1,2-diylbis(salicylideneimine) (H2L), and their structures and Properties were examined with regard to the axial co-ordination of the pendant sulphur.A six-co-ordinate structure with the imidazole and the pendant sulphur at the axial sites was inferred for PF6 from the electronic specta and electrochemical behaviour.The structure of was determined by single-crystal X-ray crystallography.The configuration around the metal is a distorted square pyramid with the chloride ion at the axial site; the pendant sulphur is not co-ordinated to the metal ion.The co-ordination geometry of BPh4 is pseudo-octahedral, with a short Mn-O(methanol) bond <2.246(3) Angstroem> and a long Mn-S bond <2.798(1) Angstroem>.The electronic spectrum in dichloromethane was characterized by an absorption near 27.3*103 cm-1, which was tentatively assigned to a charge-transfer transition from the co-ordinated sulphur to the manganese(III) ion.

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Product name:Fe(2-methyl-4-benzylthio-N,N'-butane)-1,2-diylbis(salicylideneiminate)Cl

Cas No:118962-82-6

118962-82-6

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