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PostWysłany: Pon 11:09, 04 Kwi 2011    Temat postu: [γ-SiW10O36] dimer composed of heteropoly acid sy

[γ-SiW10O36] dimer composed of heteropoly acid synthesis and characterization


aCoW12040] · 10H20 ions Synthesis and crystal structure products [J]. Northeast Normal University: Natural Science . 2006,38 (3 ) :64- 67. [5] HUSSAINF, BASSILB, B1L, eta1. Strt ~ t'turedcontrolonthenanomol ~ ularscale:. selfas ~ mblyofthepolyoxotungstatewheel 【 1TtaSiV! Io039} 4] [J]. AngChemIntEd ,2004,43:3485-3488. [6] MIALANEP, DOLBECQA, RIVIEREE, eta1. Anonanuclearcopper (n) polyoxometalateassembledaroundal, l, 1,3,3,3 az; a doaigandanditsparenttetranuclearcomplex [J]. CbemEurJ, 2005, l1: 177l a 1778 . [7] Z Bu nNGZ, LIY. WANGE, eta1. Synthesis, characterization, andcrystalsto ~ cturesoftWOno'colhigh-nUClei / InorgChem, 2006,45:4313 · 4315. [8] Tt ~ ZtA, HERV ~ G. Potasiumy. deeatungstc ~ ilicateK8 [~ '-SiW, 0036] · 12Hao [j]. InorgSynth, 1990,27:85,96. Synthesisandcharacterizationofadimericpolyoxometalatebasedonthe [. SiWlo036] unitGUOShu-rong1, 2, ZHANGZhi. ming, WANGEn. bo (1.KeyLaboratoryofPolyoxometalateScienceofMinistryofEducation, FacultyofChemistry. NortheastNormalUniversity, Changchun130024,adidas scarpe, China; 2.DepartmentofChemistry, ChifengCollege, Chifeng024000.China) Abstract: AnewdimericpolyoxometalateK8 [{-SiWl0O} 2 (2 A o) 4] · 13H10 (I) hasheenobtainedbythestandardsyntheticreaction, andcharacterizedbyIR, TG , Elementanalysisandsingle-crystalX-raydiffractionanalysis. Single-crystalX-raydiffractionanalysisrevealsthatcompound1wascomposedoftwo [-SiwloCk] unitslinkedbyfourw-() _ a Wbridges. Thecrystaldataarefollowing: monocilnic, spacegroup: P2 (1) In, Port : 1.5244 (3) nm, b = 1.3203 (3) nm, f = 1.9044 (4) nm, J9 = 105.45 (3) . , V = 3.6942 (13) nm, Z = 2, R1 = 0.0706, wR2 = 0.1621. Keywords: polyoxometalate; dimer; y-structure ( Editor: Dan Shaoqing 】

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