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새로운5성분계 Mixed-metal Thiophosphate 계열 화합물의 합성•구조 및 특성
- Alternative Title
- Synthesis and Characterization of New Quinternary Mixed-metal Thiophosphates
- Author(s)
- 박소정
- Alternative Author(s)
- Sojeong Park
- Advisor
- 윤호섭
- Department
- 일반대학원 에너지시스템학부
- Publisher
- The Graduate School, Ajou University
- Publication Year
- 2011-02
- Language
- eng
- Keyword
- Thiophosphates; Chalcogenide
- Alternative Abstract
- 2) A3Nb2Ti2P5S24 The new quinternary thoiphosphates, A3Nb2Ti2P5S24 (A = Rb, Cs) have been prepared with the use of halide fluxes and the crystal structure of the compound have been determined by single crystal X-ray diffraction methods. The compounds of A3Nb2Ti2P5S24 (A = Rb, Cs) have been synthesized and crystallize in space group C_2h^6-C2/c the monoclinic system with two formula units in a cell dimensions: a = 13.3326(4) Å, b = 27.3161 (7) Å, c = 11.7834 (4) Å, β = 116.1847 (9) °, V = 3851.1 (2) Å 3 for Rb3Nb2Ti2P5S24, a = 13.4219 (4) Å, b = 27.5078 (1) Å, c = 11.8079 (4) Å, β = 116.0479 (8) °, V = 3916.8 (2) Å3 for Cs3Nb2Ti2P5S24 The structure of the title compounds are composed of octahedral TiS6, tetrahedral PS4, and bicapped trigonal prismatic Nb2S12. The polyhedra form a three-dimensional framework by sharing S atoms. Two frameworks related by an inversion intertwined but there is no bonding interaction between them. The charge balance of the compound can be represented by the formula [A+]3[Nb4+]2[Ti4+]2[PS43-]5[S22-]2.
- Fulltext
- Appears in Collections:
- Graduate School of Ajou University > Department of Energy Systems > 3. Theses(Master)
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