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ÇóÖúLi3Mg2NbO6 ÀïÃæ Nb ºÍ O ³É¼ü·½Ê½
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ICSD ID 39625 Coll. Code 81044 Rec. Date Chem. Name Trilithium magnesium niobium oxide Structured formula Li3 Mg2 (Nb O6) Sum formula Li3 Mg2 Nb1 O6 ANX AB2C3X6 D(calc) 3.84 Title Synthesis and structures of the partially ordered rock salt phases,Li3 M2 X O6: M =Mg, Co, Ni; X = Nb, Ta, Sb Author(s) Mather, G.C.;Smith, R.I.;Skakle, J.M.S.;Fletcher, J.G.;Castellanos, M.A.R.;Gutierrez, M.P.;West, A.R. Reference Journal of Materials Chemistry (1995), 5, 1177-1182 Unit Cell 5.89 8.55 17.71 90.0 90.0 90.0 Volume 893.97 Z 8.0 Space Group F d d d Z SG Number 70 Crystal System orthorhombic PEARSON oF96 WYCKOFF h g2 f b a R Value 0.05 Red Cell F 5.19 5.19 9.33 100.31 100.31 110.88 223.49 Trans Red 0.500 0.500 0.000 / 0.500 -0.500 0.000 / -0.500 0.000 -0.500 Comments X-ray diffraction (powder) Difference between the formula calculated from the PARM record and the FORM record tolerable. Atom # OX SITE X Y Z SOF H ITF(B) Nb 1 4.99 8a 0.125 0.125 0.125 1. 0 0.0093(9) Li 1 1.0 16g 0.125 0.125 0.293(1) 0.72(1) 0 0.0150(9) Mg 1 2.0 16g 0.125 0.125 0.293(1) 0.28(1) 0 0.0150(9) Li 2 1.0 16g 0.125 0.625 0.2885(7) 0.38(1) 0 0.0150(9) Mg 2 2.0 16g 0.125 0.625 0.2885(7) 0.62(1) 0 0.0150(9) Li 3 1.0 8b 0.125 0.625 0.125 0.79(2) 0 0.0150(9) Mg 3 2.0 8b 0.125 0.625 0.125 0.21(2) 0 0.0150(9) O 1 -2.0 16f 0.125 0.354(2) 0.125 1. 0 0.008(4) O 2 -2.0 32h 0.116(1) 0.379(1) 0.2950(6) 1. 0 0.009(3) ²ËÄñһö£¬Ð»Ð»´ó¼Ò¡£ |
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