issue contents

Journal logoSTRUCTURAL
ISSN: 2053-2296

July 2006 issue

Highlighted illustration

Cover illustration: A view of (borohydrido)(dibenzo-18-crown-6)(tetra­hydro­furan)potassium, showing the atom-numbering scheme. Displacement ellipsoids are drawn at the 30% probability level and H atoms are shown as small spheres of arbitrary radii. See Villiers, Thuéry & Ephritikhine [Acta Cryst. (2006), C62, m275-m277].

inorganic compounds

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Rb2Mo2O7 and Cs2Mo2O7 represent new structure types with infinite chains of linked MoO4 tetra­hedra and MoO6 octa­hedra. The chains in Cs2Mo2O7 resemble those in the Na2Mo2O7 structure. The ortho­rhom­bic pseudosymmetry of Cs2Mo2O7 implies a possible high-temperature transition P21/cPbca.

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A new compound in the CaO–Y2O3–SnO2 system, Ca0.8Y2.4Sn0.8O6, is isotypic with Mg3TeO6 and crystallizes in the trigonal space group R{\overline 3}. All cations are in sixfold coordination sites.

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IF6AsF6 crystallizes in the cubic space group Pa\overline{3} with a simple NaCl-like ionic packing. The I and As atoms occupy the 4a and 4b Wyckoff positions, respectively, with \overline{3} symmetry.

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The structure of the monoclinic form of dicalcium zinc germanate, obtained by slow cooling from the melt, is described and compared with that of the tetra­gonal form and with monoclinic Ca2ZnGe1.25Si0.75O7.

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Chaque polyèdre GdO8 partage ses sommets avec quatre rubans (PO3)n dans le polyphosphate et six cycles P4O12 dans le cyclotétraphosphate. Ces assemblages forment des tunnels dans lesquels résident les ions NH4+.

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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