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Volumn 48, Issue 12, 2009, Pages 5403-5411

Centric and non-centric Ca 3Au ∼7.5Ge ∼3.5: Electron-poor derivatives of La 3AI 11· syntheses, structures, and bonding analyses

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Indexed keywords


EID: 67149144585     PISSN: 00201669     EISSN: None     Source Type: Journal    
DOI: 10.1021/ic900383d     Document Type: Article
Times cited : (15)

References (59)
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    • Miller, G. J.; Lee, C.-S.; Choe, W. In Inorganic Chemistry Highlights; Meyer, G., Naumann, D., Wcsemann, L., Eds.; Wiley-VCH: Weinheim, Germany, 2002; p 21.
    • (2002) Inorganic Chemistry Highlights , pp. 21
    • Miller, G.J.1    Lee, C.-S.2    Choe, W.3
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    • Roisnel, T.; Rodriguez-Carvajal, J. WinPLOTR: a Windows tool for powder diffraction patterns analysis: Proceedings of the Seventh European Diffraction Conference (EPDIC 7), Dclhez. R., Mittcnmeijayer, E. J., Eds.; 2000. pp 118-123.
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    • Tank, R.; Jepsen, O.; Burkhardt, A.; Andersen, O. K. TB-LMTO-ASA Program, Vers. 4.7; Max-Planck-Institut fur Festkorperforschung: Stuttgart, Germany, 1994.
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  • 59
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    • Reactions with nominal CaAux. Ge4-x compositions (x, 1.33, 2.0, 2.67, and 3.33) were run to check for the presence of coloring problems (see text) with CaAu2Gc2. Powder diffraction analyses revealed that CaAu2Ge2 (ThCr2Si2 type)phase occurs only for x ≤ 2.0. The refined lattice parameters (a, 4.4407(9) Å, c, 10.266(2) Å) showed no change (within 2σ) between x, 2.0 and x, 1.33, indicating a line compound. Single crystal diffraction on a stoichiometric reaction product converged at R1, 1.59, wR2, 3.65, GOF, 1.206. The Ca and Au atoms were refined on the Wyckoff 2a and 4d special positions, respectively, and Ge. on 4e with x, 0.3817(1, These basically agree with, but improve on, the literature data [a, 4.43(2, c, 10.232, zGe, 0.379, which were obtained without absorption corrections.35
    • 35


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.