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Synthesis and Structure of Ag_3PSe_4

Synthesis and Structure of Ag_3PSe_4
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摘要 The title compound Ag3PSe4 was synthesized by the reaction of Ag powder, P2Se5 and Se in a molar ratio of 1:1:1 at 500 C and structurally characterized by X-ray crystallography. The crystal belongs to orthorhombic, space group Pmn21 with cell parameters: a = 7.689(4), b = 6.660(3), c = 6.379(4) , V = 326.7(3) 3, Z = 2, Dc = 6.816 g/cm3, Mr = 670.42, F(000) = 584, m = 31.302 mm-1, R = 0.0606, wR = 0.1289 and S = 1.012. The 3-D structure can be regarded as constructed from the stacking of puckered AgPSe honeycomb-like sheets along the c direction, in which the Ag, P and Se atoms are bonded to each other to form a chair-like six-membered ring, and the rings then build the sheets by sharing edges.
出处 《Chinese Journal of Structural Chemistry》 SCIE CAS CSCD 北大核心 2003年第2期161-164,共4页 结构化学(英文)
基金 This work was supported by the National Natural Science Foundation of China (20001007 20131020) Natural Science Foundation of the Chinese Academy of Sciences (KJCX2-H3) and Fujian province (2000F006)
关键词 solid state reaction normal tetrahedral structure metal chalcogenophosphide 硒磷化银 合成 晶体结构 固相反应 X射线分析
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