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Jung, Kyungna,Kim, Hyejin,Yun, Hoseop,Do, Junghwan WILEY-VCH Verlag 2006 Zeitschrift für anorganische und allgemeine Chemie Vol.632 No.8
<P>[H<SUB>2</SUB>en][VTeO<SUB>5</SUB>]<SUB>2</SUB> (en = ethylenediamine) was synthesized by a hydrothermal reaction and structurally charac terized. The structure of [H<SUB>2</SUB>en][VTeO<SUB>5</SUB>]<SUB>2</SUB> consists of an infinite [VTeO<SUB>5</SUB>]<SUP>−</SUP> layer, which contains VO<SUB>4</SUB> tetrahedral and TeO<SUB>5</SUB> square pyramidal units. Two square pyramidal TeO<SUB>5</SUB> units are connected by sharing an edge to form a Te<SUB>2</SUB>O<SUB>8</SUB> binuclear unit. The interlayer space is filled by diprotonated ethylenediammonium cations that link the layers through a network of hydrogen bonds.</P>
Junghwan Do,Yoonsuk Cho,Hoseop Yun,Kyungna Jung 대한화학회 2005 Bulletin of the Korean Chemical Society Vol.26 No.8
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) Å, b = 31.107(2) Å, c = 12.9343(8) Å, = 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) Å, c = 18.021(1) Å, Z = 4.