issue contents

Journal logoSTRUCTURAL
ISSN: 2053-2296

March 1995 issue

Highlighted illustration

Cover illustration: [1,2-Bis(diphenylphosphino)ethane-P,P'](4-morpholine-carbodithioato-S,S')nickel({II}) Perchlorate Dichloromethane Solvate, see Akilan, Sivakumar, Venkatachalam, Ramalingam, Chinnakali & Fun, pages 368--370. The two different orientations of the morpholine ring, related by a rotation of 180°, are shown. The displacement ellipsoids are shown at the 30% probability level.

inorganic compounds

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The crystalline structure of the phase SrKB5O9 exhibits a condensation of B5O11 units to form an undulating polyborate network that is also observed in the structure of CaNaB5O9. The Sr and K atoms bind adjacent networks together through interaction with eight and nine O atoms, respectively.

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The structure of Co10Ge3O16 corresponds to a regular inter-growth along the chex axis of its rhombohedral cell of triple spinel-type Co7Ge2O12 layers and single rock-salt-type Co3GeO4 layers.

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The structure of Ni(SnF3)2.6H2O contains discrete trigonal pyramidal [SnF3] complex anions and [Ni(H2O)6]2+ complex cations in a 2:1 ratio. The structure is unusual in that it shows no evidence of the polymeric bridging common in stannous fluorides.

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Strontium diiron(III) pyrophosphate contains octahedrally coordinated FeIII and octacoordinate Sr atoms in columns separated by pyrophosphate groups.

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The structure of Eu2(PO3H)3 contains three independent phosphite anions. One Eu3+ cation is eight-coordinate whereas the other is only seven-coordinate. EuO8 dodecahedra and EuO7 monocapped trigonal prisms share corners to form infinite layers parallel to the [101] direction.

metal-organic compounds

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The structure of Mg2B2O5 is based on Mg4O18 tetramers, composed of four octahedra linked by three shared edges, which are connected by the sharing of four O⋯O edges to form chains extending along (001). The B atoms hold the chains together and form B2O5 groups.

organic compounds