issue contents

Journal logoSTRUCTURAL
ISSN: 2053-2296

February 2005 issue

Highlighted illustration

Cover illustration: The molecular structure of the cation in [mu]-acetato-aceto­nitrile­tris([mu]-N,N'-di­phenyl­formamidinato)­di­ruthenium tetra­fluoro­borate di­chloro­methane hemisolvate, with displacement ellipsoids shown at the 35% probability level. Only one orientation for the disordered phenyl group and the axially coordinated acetonitrile mol­ecule is shown. H atoms have been omitted for clarity. See Angaridis, Cotton, Murillo & Wang [Acta Cryst. (2005), C61, m71-m73].

inorganic compounds

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The structures of Rb2YbTi(PO4)3 and Rb2Yb0.32Ti1.68(PO4)3 have been determined at both 293 and 150 K. Both compounds belong to the langbeinite structure type, with mixed Yb/Ti populations in the two crystallographically independent octahedral sites (of symmetry 3). Ytterbium favours one of these sites, where about two-thirds of the Yb atoms are found. The O-atom displacement parameters are large in both compounds at both temperatures.

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The Sr(H2PO2)2, Pb(H2PO2)2 and Ba(H2PO2)2 structures consist of layers of cations bridged by hypophosphite anions. The cations exhibit square antiprismatic coordination by O atoms.

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The lithium chlorite, LiClO2, and potassium chlorite, KClO2, structures consist of layers of alkali cations bridged by chlorite anions. The Li+ cations are tetrahedrally coordinated by oxygen. The coordination environment of the K+ cations involve eight O atoms, which form a distorted cube.

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The synthetic compounds CaZnSi2O6 and CaZnGe2O6 belong to the clinopyroxene structure type. A detailed comparison is made between analogous silicate and germanate calcium pyroxenes.

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The title compound was obtained by the reaction of Gd2O3 and B2O3 under high-pressure/high-temperature conditions of 3 GPa and 1223 K using a Walker-type multi-anvil assembly. The crystal structure has been determined by single-crystal X-ray diffraction.

metal-organic compounds

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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