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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 26, Number 8
BKCSDE 26(8)
August 20, 2005 

Self-Assembly of Vanadium Borophosphate Cluster Anions: Synthesis and Structures of (NH4)(C2H10N2)5.5[Cu(C2H8N2)2]3[V2P2BO<
Kyungna Jung, Yoonsuk Cho, Hoseop Yun, Junghwan Do*
Self-assembly, Borophosphate, Cluster, Hydrothermal reaction
Two new copper vanadium borophosphate compounds, (NH4)(C2H10N2)5.5[Cu(C2H8N2)2]3[V2P2BO12]6·17H2O, Cu-VBPO1 and (NH4)(C2H10N2)3.5[Cu(C2H8N2)2]5[V2P2BO12]6·18H2O, Cu-VBPO2 have been hydrothermally synthesized and characterized by single crystal X-ray diffraction, thermogravimetric analysis, IR spectroscopy, and elemental analysis. The structure of Cu-VBPO1 contains a layer anion, {[Cu(C2H8N2)2]3[V2P2BO12]6}12-, whereas Cu-VBPO2 has an open framework anion, {[Cu(C2H8N2)2]5[V2P2BO12]6}8-. Crystal Data: (NH4)(C2H10N2)5.5[Cu(C2H8N2)2]3[V2P2BO12]6·17H2O, monoclinic, space group I2/m (no. 12), a = 15.809(1) A, b = 31.107(2) A, c = 12.9343(8) A, β = 104.325(1)o, Z = 2; (NH4)(C2H10N2)3.5[Cu(C2H8N2)2]5[V2P2BO12]6·18H2O, tetragonal, space group P42/mnm (no.136), a = 26.832(1) A, c = 18.021(1) A, Z = 4.
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