issue contents

Journal logoSTRUCTURAL
ISSN: 2053-2296

October 2002 issue

Highlighted illustration

Cover illustration: A view of the hydrogen bonding in 2-amino­anilinium phosphite. Displacement ellipsoids are plotted at the 50% probability level. See Idrissi, Saadi, Rafiq & Holt [Acta Cryst. (2002), C58, o604-o605].

inorganic compounds

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The novel title indium gadolinium germanate, In1.08Gd0.92Ge2O7, belongs to the thortveitite family, with the single octahedral site occupied by both In and Gd atoms. This compound showed a remarkable photoluminescence effect when it was irradiated both with the X-ray beam during the X-ray diffraction measurements and with the α beam during the Rutherford back-scattering spectrometry experiments.

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The structure of Sr4Mn2CuO9 consists of chains of face-sharing polyhedra, in a sequence of two [MnO6] octahedra and one trigonal prism, with Cu atoms disordered over its square faces. The chains are held together by Sr atoms.

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The title mixed trimetallic diphosphate exists as a solid matrix of Sr3Mn2(P2O7)3 stoichiometry in which are found tunnels of dimensions 5.43 × 9.28 Å containing K+ ions. The presence of several cations differing in size in the solid matrix leads to the formation of large tunnels and potential conductivity.

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The title compound consists of [V10O28]6− anions, trimeric {[Na(H2O)3][Ni(H2O)6][Na(H2O)3]}4+ cations, [Ni(H2O)6]2+ cations and water molecules of crystallization. The connection of the trimeric cations and the decavanadate anions results in a one-dimensional polycation–polyanion hybrid polymer. The polymers are bound together via hydrogen bonds.

metal-organic compounds

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Single crystals of a new open-framework polymeric complex containing neodymium(III) ions and oxalate and carbonate ligands have been synthesized hydrothermally at 423 K. The three-dimensional structure presents tunnels where ammonium ions and a water molecule are located.

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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