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Issue 32, 2014
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Solvothermal syntheses and characterizations of three new holmium selenidostannates(IV): a rare example of adamantane-like [Sn4Se10]4− selenidostannate(IV) with lanthanide complexes

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Abstract

Three new holmium selenidostannates(IV), [Ho(dap)4]2[Sn2Se6]Cl2 (1, dap = diaminopropane), {[Ho(dien)2]22-OH)2}[Sn2Se6] (2, dien = diethylenetriamine), and [Ho2(tepa)22-OH)2Cl2]2[Sn4Se10]·4H2O (3, tepa = tetraethylenepentamine), have been solvothermally synthesized and structurally characterized. 1 consists of two mononuclear [Ho(dap)4]3+ complex cations, one [Sn2Se6]4− anion built up from two [SnSe4] tetrahedra sharing a common edge, and two Cl ions. 2 consists of one binuclear holmium(III) complex {[Ho(dien)2]22-OH)2}4+ cation and one dimeric [Sn2Se6]4− anion. 3 is composed of rare binuclear holmium(III) complex [Ho2(tepa)22-OH)2Cl2]2+ cations, adamantane-like [Sn4Se10]4− and free water molecules. Although a few chalcogenidostannates(IV) with lanthanide(III) complex cations acting as counterions have been reported, their anions are strongly dominated by the dimeric [Sn2Se6]4− moieties. 3 represents a rare example of an adamantane-like [Sn4Se10]4− selenidostannate with lanthanide complexes as counterions. The optical properties of 1–3 have been investigated by UV-vis spectroscopy.

Graphical abstract: Solvothermal syntheses and characterizations of three new holmium selenidostannates(iv): a rare example of adamantane-like [Sn4Se10]4− selenidostannate(iv) with lanthanide complexes

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Publication details

The article was received on 02 Apr 2014, accepted on 28 May 2014 and first published on 29 May 2014


Article type: Paper
DOI: 10.1039/C4DT00972J
Citation: Dalton Trans., 2014,43, 12306-12312
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    Solvothermal syntheses and characterizations of three new holmium selenidostannates(IV): a rare example of adamantane-like [Sn4Se10]4− selenidostannate(IV) with lanthanide complexes

    H. Xiao, J. Zhou, X. Wang, H. Zou, R. Zhao and H. Xiao, Dalton Trans., 2014, 43, 12306
    DOI: 10.1039/C4DT00972J

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