Coordination polymers based on dithiophosphato/dithiophosphonato nickel complexes and linear 1,4-di(3-pyridyl)buta-1,3-diyne ligand
Aragoni, Maria C.
;Arca, Massimiliano;Cabras, Valentina;Ennas, Guido;Isaia, Francesco;Lai, Romina;Lippolis, Vito;Podda, Enrico
2017-01-01
Abstract
The reactions between ligand 1,4-di(3-pyridyl)buta-1,3-diyne (L) and the differently P-substituted dithiophosphato [Ni((RO)2PS2)2] [R = Me (1), Et (2)] and dithiophosphonato [Ni((4-MeOC6H4)(RO)PS2)2] [R = Me (3), Et (4)] nickel complexes have been performed, and the solid state structures of the resulting coordination polymers [1·L]ââ[4·L]âinvestigated. L acts as spacer between the complex units driving the formation of zig-zag polymeric chains. Inter-chain interactions involving the P-substituents have been discussed and the different supramolecular 3D-constructs described. The L donor ability has been confirmed also by spectrophotometric determination of the formation constants of the species 1·2L, 2·2L and 1·2L, and by theoretical studies.File | Size | Format | |
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