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Issue 97, 2004

Engineering polymers with variable topology – bipyridine adducts of cadmium dithiophosphates

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Abstract

A series of 1∶1 adducts formed between Cd(S2P(OiPr)2)2 and the bifunctional ligands 4,4′-bipyridine (1), trans-1,2-bis(4-pyridyl)ethylene (2), 1,2-bis(4-pyridyl)ethane (3), trans-1,2-bis(2-pyridyl)ethylene (4), 1,2-bis(4-pyridyl)propane (5) and 4,4′-dipyridylsulfide (6) demonstrate variable polymer topology (linear, zigzag and arched) and cadmium atom coordination geometry (cis- and trans-N2S4) depending on the nature of the bridging ligand and steric influences of the ligands. Increasing the steric bulk of the Lewis acid, to Cd(S2P(OCy)2)2, results in comparable topologies with bipyridine ligands 12, and 4 but, precludes polymer formation in the adduct formed with 5, a dimer being formed instead.

Graphical abstract: Engineering polymers with variable topology – bipyridine adducts of cadmium dithiophosphates

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Publication details

The article was received on 27 Sep 2004, accepted on 29 Oct 2004 and first published on 05 Nov 2004


Article type: Paper
DOI: 10.1039/B414847A
Citation: CrystEngComm, 2004,6, 593-605
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    Engineering polymers with variable topology – bipyridine adducts of cadmium dithiophosphates

    C. S. Lai and E. R. T. Tiekink, CrystEngComm, 2004, 6, 593
    DOI: 10.1039/B414847A

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