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*data for ICSD #94066 Coll Code 94066 Rec Date 2003/04/01 Chem Name Yttrium Calcium Oxide Borate (0.92/4.08/0.96/3) Structured (Y0.792 Ca0.208) (Ca0.938 Y0.062)2 Ca2 O0.96 (B O3)3 Sum B3 Ca4.084 O9.96 Y0.916 ANX AB3C4X10 D(calc) 3.25 Title Growth and X-ray diffraction study of Y Ca4 O (B O3)3: Ce,Er,Yb crystals Author(s) Kuz'micheva, G.M.;Ageev, A.Yu.;Rybakov, V.B.;Panyutin, V.L.;Yu, Y.M.;Chizhikov, V.I. Reference Neorganicheskie Materialy (2001), 37(10), 1235-1245 Inorganic Materials (USSR) (see: Izv.Akad.Nauk, Neorg.Mater.) (2001), 37(10), 1051-1060 Unit Cell 8.069(2) 16.005(2) 3.5275(6) 90 101.17(1) 90 Vol 446.93 Z 2 Space Group C 1 m 1 SG Number 8 Cryst Sys monoclinic Pearson mS36 Wyckoff b7 a4 R Value .041 Red Cell C 3.527 8.069 8.961 63.244 84.996 78.829 223.463 Trans Red 0.000 0.000 1.000 / -1.000 0.000 0.000 / -0.500 -0.500 0.000 Comments Total SOF on at least one site differs from unity (SOF < 0.997 resp. SOF > 1.003) The structure has been assigned a PDF number (calculated powder diffraction data): 01-070-8121 Structure type : Ca5(BO3)3F X-ray diffraction from single crystal Atom # OX SITE x y z SOF H ITF(U) Y 1 +3 2 a 0. 0. 0. 0.792(6) 0 0.007(1) Ca 1 +2 2 a 0. 0. 0. 0.208(6) 0 0.007(1) Y 2 +3 4 b 0.8603(1) 0.61237(5) 0.6756(3) 0.062(4) 0 0.007(1) Ca 2 +2 4 b 0.8603(1) 0.61237(5) 0.6756(3) 0.938(4) 0 0.007(1) Ca 3 +2 4 b 0.7436(1) 0.81894(6) 0.3528(3) 1. 0 0.011(1) B 1 +3 2 a 0.6276(9) 0. 0.299(2) 1. 0 0.008(1) B 2 +3 4 b 0.0556(6) 0.8051(3) 0.925(1) 1. 0 0.008(1) O 1 -2 2 a 0.1742(6) 0. 0.584(2) 0.96(2) 0 0.010(1) O 2 -2 4 b 0.5413(5) 0.0742(2) 0.2543(9) 1. 0 0.012(1) O 3 -2 2 a 0.8023(6) 0. 0.399(2) 1. 0 0.016(1) O 4 -2 4 b 0.9212(5) 0.8583(2) 0.930(1) 1. 0 0.011(1) O 5 -2 4 b 0.0338(5) 0.7306(2) 0.732(1) 1. 0 0.013(1) O 6 -2 4 b 0.2147(4) 0.8257(2) 0.121(1) 1. 0 0.013(1) *end for ICSD #94066 |
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