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대한화학회 제105회 학술발표회 및 총회 Synthesis and Characterization of New Two-dimensional Chromiun Thiophosphates, CsCrP2S7

등록일
2010년 2월 16일 12시 38분 13초
접수번호
0183
발표코드
39P188포 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
금 <발표Ⅳ>
발표형식
포스터
발표분야
재료화학
저자 및
공동저자
박소정, 윤호섭1
아주대학교 응용화학, Korea
1아주대학교 화학과, Korea
The new quaternary Thiophosphate, CsCrP2S7 has been synthesized through the reaction of elements with alkali metal halide and structurally characterized by single crystal X-ray diffraction techniques. The title compound crystallizes in the space group C23-C2 of the monoclinic system in a cell of a=8.5801(5)Å, b=9.5345(6)Å, c=6.7449(6), β=97.530(3), V=547.02(7)Å3. The compound is comprised of two-dimensional (2)[CrP2S7]- layers separated from one other by the Cs+ cation through the ionic interactions. The layers are built up from the basic repeating unit (2)[Cr(PS4)2S22-], which is composed of the bitetrahedral thiophosphate [P2S74-] anions sharing edges and corners with [CrS6] octahedra. The Cs+ ion is coordinated by eight sulfur atoms, four from each the two [CrP2S7] adjacent layers. The classical charge of the compounds can be represented by [Cs+][Cr3+][P5+]2[S2-]7. In this paper, the magnetic properties in the 5-300K temperature range will be discussed along with the other related quaternary thiophosphates in different oxidation state of chromium.

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