issue contents

Journal logoSTRUCTURAL
ISSN: 2053-2296

November 2002 issue

Highlighted illustration

Cover illustration: A view of the trimer in the crystal packing of 7-methoxy-1H-indazole. Dashed lines indicate hydrogen bonds. See Sopková-de Oliveira Santos, Collot & Rault [Acta Cryst. (2002), C58, o688-o690].

inorganic compounds

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NaZnFe2(PO4)3 features a new structural type built up from ZnO6 octahedra, FeO6 octahedra and FeO4 tetrahedra, linked together via the corners and edges of PO4 tetrahedra to form a three-dimensional framework, with tunnels running along [100]. Within these tunnels, Na+ cations occupy highly distorted cubic sites.

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In the crystal structure of the title compound, the complex anion has approximate D4d symmetry, with Dy—O and W—O distances in the ranges 2.355 (6)–2.405 (6) and 1.715 (7)–2.369 (5) Å, respectively.

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Zn is unevenly distributed over two non-equivalent tetrahedral sites within the spinel blocks of the title W-type hexaferrite structure.

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The intermetallic compound Mg21Zn25 crystallizes with the Zr21Re25 structure type.

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K3Fe5(PO4)6 exhibits a three-dimensional framework built up of FeO6, FeO5 and PO4 polyhedra, with intersecting channels in which the K+ cations are located.

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The crystal structure of lithium disodium aluminium hexafluoride, LiNa2AlF6, has been solved using X-ray powder diffraction. The monoclinically distorted structure is related to that of cubic elpasolite.

metal-organic compounds

organic compounds

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Rietveld refinement of the neutron powder profiles of chloro­fluoro­methane, CH2ClF, shows that it crystallizes in the monoclinic system, with two formula units in the unit cell. The structure is close-packed and shows weakly hydrogen-bonded zigzag chains.

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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