issue contents

Journal logoSTRUCTURAL
ISSN: 2053-2296

March 2002 issue

Highlighted illustration

Cover illustration: The cation of hexakis­(pyrazole-[kappa]N2)copper(II) bis­(hexa­fluoroarsenate). Displacement ellipsoids are plotted at the 50% probability level and H atoms have been omitted for clarity. See Otieno, Blanton, Hatfield, Asher & Parkin [Acta Cryst. (2002), C58, m182-m185].

inorganic compounds

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Rubidium manganese hexa­thio­diphosphate, Rb2MnP2S6, crystallizes in a structure typical of compounds of the type A2MP2Q6 (A = K, Rb, Cs; M = Mn, Fe; Q = S, Se). Its structure can be viewed as columns of [MnP2S6]2− polyhedra parallel to the a axis, interconnected by Rb+.

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The structure of the low-temperature form of barium tetraphosphate shows the tetraphosphate to exist in an S conformation.

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The tetragonal polymorph of caesium hydro­xide monohydrate, CsOH·H2O (or CsH3O2), a clathrate hydrate, contains an infinite three-dimensional hydrogen-bonded oxy­gen framework that is locally identical to layers found in the hexagonal modification.

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SrMn(SeO3)2 is built up from sheets of irregular MnO5+1 units and pyramidal SeO3 groups, sharing vertices and edges. Nine-coordinate Sr2+ cations complete the structure.

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The structure of HgWO4 consists of zigzag chains of edge-sharing WO6 octahedra running along the c axis and layers of corner-sharing HgO6 octahedra in the bc plane.

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The crystal structure of Hg3AlF6O2H has been determined at room temperature. It comprises [HgO2F6] polyhedra and [AlF6] octahedra. Assumed hydrogen bonding between two O atoms, with O⋯O = 2.562 (9) Å, provides additional bonds in the framework.

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The structure of a new variant orthorhombic Rb3Ta5O14 phase with Pnma symmetry was identified from a half sphere of synchrotron X-ray data measured at a wavelength of 0.85 Å.

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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