issue contents

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296

November 1995 issue

Highlighted illustration

Cover illustration: An As2Si3O6 Cage Compound, 3,3,7,7,10,10-Hexaphenyl-2,4,6,8,9,11-hexaoxa-1,5-diarsa-3,7,10-trisilabicyclo[3.3.3]undecane, see Ferguson, O'Leary & Spalding, pp. 2312-2315. Displacement ellipsoids are plotted at the 30% probability level.

inorganic compounds


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The structure of Cs2Mo4O13 comprises two different types of infinite [Mo4O13]n2− chain separated by Cs+ ions. The first chain is made from blocks of two MoO6 octahedra sharing a face while the second chain consists of a set of two MoO6 octahedra, one MoO5 square pyramid and one MoO4 tetrahedron sharing edges and corners.

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The structure of niobium diarsenide has been determined by single-crystal X-ray diffraction. It was found to crystallize with the OsGe2 structure type.

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The crystal structures of the fluorides NaMIIZr2F11 (MII = Mn, Fe, Co, Ni, Zn) have been refined using single-crystal X-ray diffraction data; these compounds are isostructural with AgPdZr2F11. Attempts to prepare the analogous CrII and CuII fluorides failed, probably because these cations would show a strong Jahn-Teller effect.

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The structure of Zr(WO4)2 contains WO4 tetrahedra each linked by three corners to three ZrO6 octahedra. The W-O distance to the terminal O atom in each WO4 tetrahedron is short.

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The structure of cobalt aluminium silicate garnet has been redetermined from diffractometer data. Comparison of the results of the redetermination with those of an earlier study shows that two isostructural pressure-dependent phases exist.

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The absolute structure of NaCeIII(SO4)2.H2O, which comprises distorted NaO6 octahedra, distorted CeO9 tricapped trigonal prisms and slightly irregular tetrahedral sulfate ions, has been determined. The hydrogen bonds in the structure involve only sulfate O atoms as acceptors.

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Despite some steric crowding among the S atoms in the microporous metal-rich structure of Ta3S2, more than 15% Se can be substituted for S without a change of structure type.

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The structure of MgNa3H(PO4)2 contains two-dimensional zigzag sheets of corner-sharing PO4 tetrahedra and MgO6 octahedra. The sheets are linked in the third dimension by two types of Na-O polyhedron.

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The structure of the new nonlinear optical borate CsLiB6O10 has been determined. The borate network consists of B3O7 groups and surrounds eight-coordinate Cs and four-coordinate Li atoms.

metal-organic compounds































organic compounds




































































addenda and errata


Acta Cryst. (1995). C51, 2458
doi: 10.1107/S0108270195099768

Special and virtual issues

Acta Crystallographica Section C is planning special issues on

The Structural Chemistry of Homogeneous and Heterogeneous Catalysts

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