issue contents

Journal logoSTRUCTURAL
ISSN: 2053-2296

December 2007 issue

Highlighted illustration

Cover illustration: The one-dimensional hydrogen-bonding motifs in 5-butyl-5-ethyl­barbituric acid, viz. tape and ladder. See Gelbrich, Zencirci & Griesser [Acta Cryst. (2007), C63, o751-o753].

inorganic compounds

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The crystal structure and synthesis of Bi5O7Br are described. The structure is compared with that of closely related (but non-isotypic) α-Bi5O7I.

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The title compound contains zigzag-like chains of corner-sharing [Y2O10] dimers and BO3 triangles, which complete a three-dimensional framework. The Rb+ ions are located in the channels.

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Rietveld refinements from very high resolution neutron powder diffraction data on the relaxor ferroelectric [Pb(Zn0.3066Nb0.6133Ti0.08)O3] (PZN-8%PT) show that it is monoclinic in the space group Cm at 4 K. Atomic coordinates show strong electric polarization at this temperature.

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The title compound, diiron(II) phosphate hydroxide, Fe2(PO4)(OH), has been synthesized hydro­thermally and is the synthetic analogue of the mineral wolfeite. The crystal structure contains edge- and corner-sharing FeO4(OH) and FeO4(OH)2 polyhedra, linked via corner-sharing to the PO4 tetra­hedra.

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Iranite is isomorphous with hemihedrite, ZnPb10(CrO4)6(SiO4)2F2. The SiO4 and CrO4 tetra­hedra and CuO4(OH)2 octa­hedra form layers parallel to (120) that are held together by Pb2+ cations.

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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