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2001
cobalt, Co
I 7200
16 - 024
cobalt, Co
MII (C4 H12 N2 ) [B2 P3 O12 (OH)] (MII : Co, Zn): Synthesis and Crystal
Structure of Novel Open Framework Borophosphates.
— The title
compounds (Va) and (Vb) are isotypic and crystallize in the orthorhombic
space group Ima2 with Z = 4 (single crystal XRD). The structure consists of
distorted CoO6 octahedra and ZnO5 square-pyramides, resp., sharing common
corners with BO4 -, PO4 -, and (HO)PO3 tetrahedra. The tetrahedral groups are
linked via common corners to form infinite loop-branched borophosphate chains.
The structure contains a three-dimensional system of interconnected channels
which are occupied by the piperazinium ions.
— (SCHAEFER, GERD;
BORRMANN, HORST; KNIEP, RUEDIGER; Z. Anorg. Allg. Chem. 627
(2001) 1, 61-67; MPI Chem. Phys. fester Stoffe, D-01187 Dresden, Germany;
EN)
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