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Journal logoSTRUCTURAL
ISSN: 2053-2296

January 2012 issue

Highlighted illustration

Cover illustration: Twice the asymmetric unit of 2',3',5',6'-tetra­fluoro-2,2'',3,3'',4,4'',5,5''-octa­phenyl-1,1':4',1''-terphen­yl, with displacement ellipsoids at the 70% probability level. See Budy, Nichol & Loy [Acta Cryst. (2012), C68, o23-o27].


Acta Cryst. (2012). C68, e1-e2
doi: 10.1107/S0108270111054916
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Acta Crystallographica Section C in 2012

international union of crystallography

inorganic compounds

Acta Cryst. (2012). C68, i1-i3
doi: 10.1107/S0108270111054679
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In the structure of PbCa2[Al8O15], AlO4 tetra­hedra and AlO5 trigonal bipyramids in a 3:1 ratio constitute the framework [Al8O15]6− aluminate anion through corner- and edge-sharing. Pb2+ and Ca2+ cations exhibit coordination numbers of 7 and 6, respectively.

Acta Cryst. (2012). C68, i4-i6
doi: 10.1107/S0108270111054709
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The structure of the title compound is built up from MgCl2(H2O)4 octa­hedra with a trans configuration. Each complex is situated on a crystallographic twofold axis, with the rotation axis aligned along one H2O—Mg—OH2 axis. They are connected by a complex network of O—H⋯Cl hydrogen bonds. The structure contains two-dimensional sections that are essentially identical to those in the reported tetra­hydrates of CrCl2, FeCl2, FeBr2 and CoBr2, but they are stacked in a different manner in MgCl2·4H2O compared with the transition metal structures.

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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