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Issue 12, 2011
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Synthesis, characterization, and photoresponsive properties of a series of Mo(iv)–Cu(ii) complexes

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Abstract

Six Mo(IV)–Cu(II) complexes, [Cu(tpa)]2[Mo(CN)8]·15H2O (1, tpa = tris(2-pyridylmethyl)amine), [Cu(tren)]2[Mo(CN)8]·5.25H2O (2, tren = tris(2-aminoethyl)amine), [Cu(en)2][Cu0.5(en)][Cu0.5(en)(H2O)][Mo(CN)8]·4H2O (3, en = ethylenediamine), [Cu(bapa)]3[Mo(CN)8]1.5·12.5H2O (4, bapa = bis(3-aminopropyl)amine), [Cu(bapen)]2[Mo(CN)8]·4H2O (5, bapen = N,N′-bis(3-aminopropyl)ethylenediamine), and [Cu(pn)2][Cu(pn)][Mo(CN)8]·3.5H2O (6, pn = 1,3-diaminopropane), were synthesized and characterized. Single-crystal X-ray diffraction analyses show that 1–6 have different structures varying from trinuclear clusters (1–2), a one-dimensional belt (3), two-dimensional grids (4–5), to a three-dimensional structure (6). Magnetic and ESR measurements suggest that 1–6 exhibit thermally reversible photoresponsive properties on UV light irradiation through a Mo(IV)-to-Cu(II) charge transfer mechanism. A trinuclear compound [Cu(II)(tpa)]2[MoV(CN)8](ClO4) (7) was synthesized as a model of the photoinduced intermediate.

Graphical abstract: Synthesis, characterization, and photoresponsive properties of a series of Mo(iv)–Cu(ii) complexes

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Publication details

The article was received on 11 Sep 2010, accepted on 17 Dec 2010 and first published on 04 Feb 2011


Article type: Paper
DOI: 10.1039/C0DT01213K
Dalton Trans., 2011,40, 2735-2743

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    Synthesis, characterization, and photoresponsive properties of a series of Mo(IV)–Cu(II) complexes

    W. Zhang, H. Sun and O. Sato, Dalton Trans., 2011, 40, 2735
    DOI: 10.1039/C0DT01213K

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