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Schlagwörter:
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Zusammenfassung:
Crystals of K6Cu2[B4P8O28(OH)(6)]were grown under hydrothermal
conditions at 160 ?C. The crystal structure (monoclinic. P 2(1)/c (Nr.
14), a = 961.8(1), b = 1755.0(1), c = 942.0(1) pm, beta = 112.29(1)?, Z
= 2) contains oligomeric tetrahedral anions based on six-membered rings
{B4P2O10O8/2} with additional branchings by hydrogen phosphate-groups
(open branching: 4 x HPO3O1/2; cyclic branching: 2 x HPO2O2/2). The
complex borophosphate anion is represented by the formula
[B4P8O28(OH)(6)](10-). Cu2+ is in a tetragonal pyramidal and K+ in an
irregular coordination by eight and nine oxygen ligands, respectively.