issue contents

Journal logoSTRUCTURAL
ISSN: 2053-2296

March 2009 issue

Highlighted illustration

Cover illustration: Hydrogen-bonding in the discrete cyclic centrosymmetric bis­(cation-anion) `hetero­tetra­mer' structural units in 2-amino­pyrimidinium 2-carb­oxy-4,5-dichloro­benzoate, shown as dashed lines. Non-inter­acting H atoms have been omitted. See Smith, Wermuth & White [Acta Cryst. (2009), C65, o103-o107].

inorganic compounds

Acta Cryst. (2009). C65, i7-i8
doi: 10.1107/S0108270109000766
link to html
The title inter­metallic compounds crystallize in the tetra­gonal Mo2FeB2-type structure. All three crystallographically unique atoms occupy special positions and the site symmetries of (Sc/Y, Ga) and Mg are m2m and 4/m, respectively. The coordinations around Sc/Y, Mg and Ga are penta­gonal (Sc/Y), tetra­gonal (Mg) and triangular (Ga) prisms, with four (Mg) or three (Ga) additional capping atoms leading to the coordination numbers [10], [8+4] and [6+3], respectively. The crystal structure of Sc2MgGa2 was determined from single-crystal diffraction intensities and the isostructural Y2MgGa2 was identified from powder diffraction data.

metal-organic compounds

organic compounds

addenda and errata

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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