issue contents

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296

July 2000 issue

Highlighted illustration

Cover illustration: View of (cis-6,13-di­methyl-1,4,8,11-tetraaza­cyclo­tetradec­ane-6,13-di­amine-[kappa]6N)nickel(II) di­per­chlor­ate, with ellipsoids at the 30% probability level. The per­chlor­ate anions are not shown. See Bernhardt [Acta Cryst. C56, 744-746].

inorganic compounds


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The single-crystal structure of the title compound shows the anion to have the Anderson structure based on six WO6 octahedral edge-sharing units surrounding a central MnO6 octahedron. Varying interactions from the O atoms of the MnO6 octahedron to surrounding water mol­ecules result in differences in the Mn—O distances.

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Precise X-ray structural determinations of two Cr3+ α-alums are presented, each at 293 and at 12 K.

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Precise X-ray structural determinations of Cs2K[Mn(CN)6] at 293, 85 and 10 K have been performed. The centrosymmetric [Mn(CN)6]3− anion has very close to regular octahedral stereochemistry.

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The structure of dipotassium titanium trisilicate hydrate has been refined and the hydrogen-bonding geometry elucidated. The structure is a three-dimensional mixed framework with channels formed by six- and eight-membered rings. K+ ions and water mol­ecules are located in the channels.

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The title structure contains typical centrosymmetric OV6 double octahedra and centrosymmetric pairs of edge-shared NaO6 double octahedra forming a layered structure.

metal-organic compounds


















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This new organic zincoarsenate is built up from a two-dimensional framework of ZnO5 and ZnO6 polyhedra, and AsO4 tetrahedra. Trigonally coordinated O atoms are present in these layers. The organic cations are inserted between the inorganic sheets.











organic compounds