issue contents

Journal logoSTRUCTURAL
ISSN: 2053-2296

July 2001 issue

Highlighted illustration

Cover illustration: The molecular packing in chloro­tris­(N,N'-di­cyclo­hexyl­thio­urea-S)­tellurium(II) chloride, with hydrogen bonds indicated by dashed lines. For clarity, only the C atoms (dotted circles) joined to the main structural unit in the cyclo­hexyl groups are shown. See Husebye, Törnroos & Zhu [Acta Cryst. (2001), C57, 854-856].

inorganic compounds

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An isomer of B20H26, isolated from the autolysis of nido-B10H14 in a silent electrical discharge, is shown to be the title compound 1,1′-bis(nido-decaboranyl). The mol­ecule has crystallographic inversion symmetry and a long intercage B—B bond of 1.704 (3) Å.

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The Ag+ ions in the title compounds are tetrahedrally coordinated by the S atoms of four thiocyanate groups, which act as terminal or 1,1-μ-bridging ligands. The anions in K[Ag(SCN)2] form a two-dimensional polymeric network containing Ag2S2 and Ag6S6 rings.

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The monoclinic superstructure of Ce-doped SrMgF4 can be described as a stack of perovskite-type slabs in which MgF6 octahedra are rotated in a complicated manner. Sr atoms are shifted from ideal positions to fit in the space formed by the six MgF6 octahedra of one slab and one MgF6 octahedron of a neighbouring slab.

metal-organic compounds

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The title structure consists of [V2O6], [Ni(4,4′-bipy)4O2] and [Ni(H2O)2(4,4′-bipy)2O2] polyhedra, and water of crystallization.

organic compounds

Special and virtual issues

Acta Crystallographica Section C is planning special issues on

The Structural Chemistry of Homogeneous and Heterogeneous Catalysts

NMR Crystallography.

Full details are available on the special issues page.

The latest virtual issue, featuring Coordination polymers and with an introduction by Len Barbour, was published in July 2014.

What are the 'most read' articles from the recent special issues?

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