issue contents

Journal logoSTRUCTURAL
ISSN: 2053-2296

May 1996 issue

Highlighted illustration

Cover illustration: Re4S4Te4, see Fedorov, Mironov, Fedin, Imoto & Saito, pages 1065-1067. The structure of an Re4S4Te12 unit (right) plotted with 99%probability displacement ellipsoids and the unit cell of Re4S4Te4 (left).

inorganic compounds

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The monoclinic structure of Rb3H(SeO4)2 has been refined from neutron powder diffraction data collected at 4K, revealing the features of the so-called zero-dimensional hydrogen-bond network.

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CsLaNb2O7 crystallizes as a layered structure in which the Cs+ ions are located in the interlayer gap formed by double perovskite LaNb2O7 layers.

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The Re4S4Te4 structure is characterized by the presence of tetrahedral Re4 clusters. The compound crystallizes in a spinel-type structure with crystallochemical formula [Re4S4]Te12/3.

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[Zn(NH3)3][Cu(CN)2]2 contains trigonally coordinated CuI atoms within helical -Cu-CN-Cu-CN- chains. The bridging CN groups are disordered. The third coordination site of Cu is occupied alternately by terminal CN ligands and -CN-Zn(NH3)3 groups.

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Hg2(SeO3)2.H2O contains five- and seven-coordinate Hg atoms linked by selenite groups to form a three-dimensional network.

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[Hg(NH3)]SeO3 contains chains of edge-sharing HgNO5 octahedra and SeO3 pyramids. The chains are linked by hydrogen bonds.

metal-organic compounds

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(C4H12N2)3[Mo8O27] contains infinite chains of anionic octamolybdate clusters fused together by linear Mo-O-Mo bonds. The extra-chain piperazinium cations provide charge balance.

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(C4H12N)2[H8Co2Mo6O32P4].5H2O crystallizes as a polymeric ionic complex. Anionic chains, consisting of [Mo6O12(OH)3(HxPO4)4]n clusters, are held together by Co2+ ions to form an infinite one-dimensional structure.

organic compounds