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Room Temperature Solid State Synthesis and Characterization of a New Chromium Thiophosphate Cr4(P2S6)3

✍ Scribed by Zhong-Le Huang; Jing-Tai Zhao; Jin-Xiao Mi; Shao-Yu Mao; Lan-Sum Zheng

Publisher: Elsevier Science
Year: 1999
Tongue: English
Weight: 134 KB
Volume: 144
Category: Article
ISSN: 0022-4596
DOI: 10.1006/jssc.1999.8175

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✦ Synopsis

A new chromium thiophosphate Cr 4 (P 2 S 6 ) 3 was synthesized by solid state reaction between Na 4 P 2 S 6 ' 6H 2 O and CrCl 3 ' 6H 2 O at room temperature rather than by the ceramic method. The product was characterized by means of XRD, Raman spectroscopy, and magnetic measurements. XRD shows that Cr 4 (P 2 S 6 ) 3 , isostructural with Ga 4 (P 2 S 6 ) 3 , crystallizes in the monoclinic system with a ‫؍‬ 0.8692(5) nm, b ‫؍‬ 0.7562(6) nm, c ‫؍‬ 0.8344(6) nm, and ‫؍‬ 91.97(7)3 3. The Raman spectrum bears the characteristic peaks for the P 2 S 4؊ 6 anion group. Magnetic susceptibility data reveal the existence of a d 3 Cr 3؉ cation. These results correspond to the charge balance Cr 3؉ 4 (P 4؉ 2 S 2؊ 6 ) 3 .

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