issue contents

Journal logoSTRUCTURAL
ISSN: 2053-2296

July 2010 issue

Highlighted illustration

Cover illustration: The structure of tris(4-bromophenyl)aminium hexachloridoantimonate. Displacement ellipsoids are drawn at the 50% probability level. For clarity, H atoms have been omitted. See Quiroz-Guzman & Brown [Acta Cryst. (2010), C66, m171-m173].

inorganic compounds

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Tricaesium triindium tetra­phosphate, Cs3In3(PO4)4, features a three-dimensional structure composed of an In3O16 fragment of corner-sharing InO6 polyhedra inter­linked by PO4 groups into an anionic network, providing tunnels along c where two distinct Cs+ cations reside. The structure is closely related to that of K3In3(PO4)4, with the main difference being in the geometry of the In3O16 fragments due to the different coordination requirements of Cs and K.

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Cs6Nb4Se22 contains two Nb2Se11 building blocks linked by an Se—Se bond to form isolated Nb4Se22 tetra­meric building blocks surrounded by caesium ions. K12Nb6Se35.3 contains similar Nb4Se22 tetra­mers that are linked by an Se—Se—Se unit to an Nb2Se11 dimer to form one-dimensional anionic chains surrounded by potassium ions.

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The crystal structure of (NH4)2WTe2O8 was determined at 5.09 GPa using single-crystal X-ray diffraction in a diamond-anvil cell. No phase transition was observed up to 7.16 GPa. However, a full structure determination at 5.09 GPa shows that the coordination number of one of the two non-equivalent Te atoms has decreased from four to three.

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The title compound is the first arsenate-containing langbeinite to be structurally characterized: the ScIII and SnIV cations show slight segregation over the two octa­hedral sites.

metal-organic compounds

organic compounds

addenda and errata

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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