issue contents

Journal logoSTRUCTURAL
ISSN: 2053-2296

June 2005 issue

Highlighted illustration

Cover illustration: The hydrogen-bonding pattern in 6-methyl-2-pyridone, forming infinite chains. See Nichol & Clegg [Acta Cryst. (2005), C61, o383-o385].

inorganic compounds

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A new three-dimensional bimetallic tellurite, BaV2TeO8, was synthesized by the hydro­thermal reaction of Ba(OH)2, TeO2 and V2O5, and characterized by single-crystal X-ray diffraction. The three-dimensional framework is built up from anionic [V2TeO8]n2n layers parallel to (101) and connected via Ba—O bonds. The anionic layers are formed by three types of polyhedra, namely VO5 tetra­gonal pyramids, VO4 tetra­hedra and TeO4+2 `folded square' polyhedra.

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The structure of Ce(IO3)3 consists of chains of edge-sharing CeO9 polyhedra, which are linked into layers by IO3 groups. The layers are held together via long I⋯O contacts, resulting in a three-dimensional network.

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Pb2(Hg3O4)(CrO4) consists of isolated CrO42− tetra­hedra and Hg3O42− zigzag chains connected by inter­stitial Pb atoms. The Hg atoms are linearly coordinated by O atoms; the divalent lead ions are coordinated by three close and five more distant neighbours.

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The structure of rubidium gadolinium bis­(tungstate), RbGd(WO4)2, has been determined. The crystal is built up from corner- and edge-sharing WO6 octa­hedral and GdO8 polyhedral groups, giving rise to a Gd–WO4 polyhedral backbone surrounding structural cavities filled with Rb+ cations. The Gd and Rb atoms lie on twofold axes.

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The novel title compound, poly­[octa-μ-aqua-octa­aqua-μ-decavanadato-hexalithium], contains [V10O28]6− polyanions with 2/m symmetry linked by centrosymmetric [Li6(H2O)16]6+ cation chains to form a two-dimensional network structure.

metal-organic compounds

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The title oxyfluorinated gallium phosphate exhibits a two-dimensional network intercalated by the diprotonated propane-1,3-diaminium moiety. This compound is isostructural with the aluminophosphate having the MIL-12 structure type.

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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