Synthesis and structure of Ag3PSe4

Hong Wei Ma, Guo Cong Guo*, Wen Tong Chen, Lei Deng, Guo Wei Zhou, Zhen Chao Dong, Jin Shun Huang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

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) Å, V = 326.7(3) Å3, Z = 2, Dc = 6.816 g/cm3, Mr = 670.42, F(000) = 584, μ = 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 Ag-P-Se 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.

Original languageEnglish
Pages (from-to)161-164
Number of pages4
JournalJiegou Huaxue
Volume22
Issue number2
Publication statusPublished - 2003
Externally publishedYes

Keywords

  • Metal chalcogenophosphide
  • Normal tetrahedral structure
  • Solid state reaction

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