issue contents

Journal logoSTRUCTURAL
ISSN: 2053-2296

March 2001 issue

Highlighted illustration

Cover illustration: The hydrogen-bonded arrangement of 3,3'-(1,2-ethynediyl)­bis­(2-pyridone), center, with two mol­ecules of 6,6'-(1,2-ethyne­diyl)­bis­(2-pyridone), top and bottom, and with two mol­ecules of methanol solvent. Dashed lines indicate hydrogen bonds. Ellipsoids enclose 50% probability. See Maverick, Wash & Lightner [Acta Cryst. (2001), C57, 284-285].

inorganic compounds

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A 3 × 3 × 3 superstructure of TiP2O7 has been determined with synchrotron X-radiation at room temperature. The superstructure is compared with the small parent AB2O7 structure and differs from it rather substantially, especially in the pyrophosphate groups connecting the TiO6 octahedra.

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The crystal structure of a new lithium tin hydro­xide, Li2Sn(OH)6, is presented, showing edge- and corner-sharing Li tetrahedra and Sn octahedra. Hydro­gen bonds between the OH groups provide additional bonds in the framework.

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The crystal structure of hexagonal yttrium trioxomanganate has been determined at room temperature and at 180 K. It is isomorphous with LuMnO3. The Mn displacement vector has a frustrated component in the ab plane and a ferroelectric part along the c axis. The net ferroelectricity is zero due to inversion twinning, with 1:1 twin fractions.

metal-organic compounds

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The structure of [{Ni(C10H8N2)2}2{V6O17}] consists of sinusoidal vanadium oxide layers fused solely by corner-sharing tetrahedra, with complex nickel cations covalently linked to the layers in a covalent manner, with Ni—O distances of 2.027 (3) and 2.087 (3) Å.

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The crystal structure of [Mo10O26(C8H11N)8] consists of discrete neutral mol­ecules which are built up of four Mo2V pairs, with metal–metal single bonds of 2.5637 (6) and 2.6132 (6) Å, and two molybdenum(VI) centres.

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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