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Journal logoSTRUCTURAL
ISSN: 2053-2296

January 2002 issue

Highlighted illustration

Cover illustration: View of the supramolecular structure exhibited by 2,4-di­hydroxy-1,3-bis­(methoxy­carbonyl­methoxy)­calix­[4]­arene. See Coles, Hall & Hursthouse [Acta Cryst. (2002), C58, o29-o31].


Acta Cryst. (2002). C58, e1
doi: 10.1107/S0108270101021400

international union of crystallography

Acta Cryst. (2002). C58, e2-e8
doi: 10.1107/S0108270101019461

inorganic compounds

Acta Cryst. (2002). C58, i1-i2
doi: 10.1107/S0108270101015463
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The structure of Cs2[AgZn(SCN)5] contains units of composition AgZn(SCN)3 lying on a mirror plane and bonded together through Cs+ ions and thio­cyanate groups. The crystal studied contained equal numbers of inversion twins.

Acta Cryst. (2002). C58, i3-i5
doi: 10.1107/S0108270101018492
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Single crystals of Ca3Mn2O7 were prepared in an optical floating-zone furnace. The symmetry, which was previously reported as tetragonal according to powder X-ray diffraction studies, is shown to be orthorhombic, A21am.

Acta Cryst. (2002). C58, i6-i8
doi: 10.1107/S010827010101767X
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The complex oxide MoVAlO7, vanadium aluminium molybdate, crystallizes in the orthorhombic system (space group Pnma). All the metal atoms and three O atoms lie on the mirror plane. Infinite strings of VO5 square pyramids associated by opposite basal edges develop along [010] and are surrounded by a sequence of eight corner-sharing alternating AlO6 octahedra and MoO4 tetrahedra.

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The crystal structure of the ambient-pressure phase of vanadyl pyrophosphate, (VO)2P2O7, determined from single-crystal synchrotron data, consists of infinite two-leg ladders of vanadyl cations, (VO)2+, which are separated by pyrophosphate anions, (P2O7)4−.

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A new variety of dihydroxysamarium chloride is presented. The orthorhombic structure is built up from the stacking of neutral layers stabilized via strong hydrogen bonds between the hydroxyl H atoms and the chlorides.

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AgCo3PO4(HPO4)2 consists of edge-sharing CoO6 chains linked together by the phosphate groups and hydrogen bonds. The three-dimensional framework delimits two types of tunnels which accommodate Ag+ cations and OH groups.

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AlPO4 tridymite forms an intermediate phase between 373 and 573 K with space-group symmetry P1121. The crystal structure is dynamically disordered and develops an incommensurate displacive modulation below 473 K.

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CaCs2[Ag2(SCN)6]·2H2O forms a continuous structure where the Ag atoms form chains with S atoms in the c-axis direction. The chains are bonded together through Cs and Ca atoms. The crystal water of the structure is bonded to the Ca atoms, which lie on centers of symmetry.

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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