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Assembly of heterometallic clusters and coordination polymers by combining Mo-S-based clusters with Mn2+

Lookup NU author(s): Ping Lin, Emeritus Professor Bill Clegg, Dr Ross Harrington, Professor Richard Henderson, Dr Ashleigh Fletcher, Dr Jon Bell, Emeritus Professor Mark Thomas

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Abstract

Addition of [MoV2O2S2(edt) 2]2- (edt = 1,2-ethanedithiolate) to acetonitrile and/or methanol solutions of MnII containing bipyridines [4,4′-trimethylenedipyridine (TDP), 4,4′-bipyridine (4,4′-bpy), 2,2′-bipyridine (2,2′-bpy)] or 15-crown-5 produces three new heterometallic cluster coordination polymers, [Mn2{Mo 2O2S2(edt)2}2(TDP) 3(CH3OH)2(NCMe)2]· 3CH 3OH·0.25MeCN (1), [Mn(TDP)2(H2O) 2]2+[Mn{Mo2O2S2(edt) 2)2(TDP)2}]2-·6CH 3OH (2), [Mn{Mo2O2S2(edt) 2}(TDP)2(CH3OH)(H2O)]·CH 3OH (3), and three new multinuclear clusters, [Mn{Mo 2O2S2(edt)2}(4,4′-bpy)(CH 3OH)4]·0.5(4,4′-bpy) (4), [Mn{Mo 2O2S2(edt)2}(2,2′-bpy) 2]·2CH3OH (5), and (NEt4) 2[Mn(15-crown-5){Mo2O2S2(edt) 2}2] (6). All compounds were characterized by X-ray crystallography. The coordination mode of Mn in these compounds depends on the ligands and the crystallization conditions. Compound 2 readily converts to 1 or 3 depending on the reaction and solvent conditions. Compounds 1 and 2 were analyzed using thermogravimetric analysis combined with mass spectroscopy (TG-MS) in the temperature range 25-500°C. The room-temperature magnetic moments for compounds 1-6 were determined. © 2006 American Chemical Society.


Publication metadata

Author(s): Lin P, Clegg W, Harrington RW, Henderson RA, Fletcher AJ, Bell J, Thomas KM

Publication type: Article

Publication status: Published

Journal: Inorganic Chemistry

Year: 2006

Volume: 45

Issue: 10

Pages: 4284-4302

ISSN (print): 0020-1669

ISSN (electronic): 1520-510X

Publisher: American Chemical Society

URL: http://dx.doi.org/10.1021/ic060205u

DOI: 10.1021/ic060205u


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