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*data for ICSD #66090 Coll Code 66090 Rec Date 1992/01/20 Chem Name Sodium Lanthanum Bis(tungstate) Structured Na La (W O4)2 Sum La1 Na1 O8 W2 ANX ABX4 D(calc) 6.56 Title Crystal study of NaLn(WO4)2 (Ln= La, Pr, Nd) Author(s) Li, H.;Hong, G.;Yue, S. Reference Zhongguo Xitu Xuebao (1990), 8, 37-41 Unit Cell 5.349 5.349 11.628 90. 90. 90. Vol 332.7 Z 2 Space Group I 41/a Z SG Number 88 Cryst Sys tetragonal Pearson tI24 Wyckoff f b a R Value .089 Red Cell I 5.349 5.349 6.936 112.680 112.680 89.999 166.349 Trans Red 1.000 0.000 0.000 / 0.000 -1.000 0.000 / -0.500 0.500 -0.500 Comments The structure has been assigned a PDF number (calculated powder diffraction data): 01-079-1118 Structure type : CaWO4 X-ray diffraction from single crystal At least one temperature factor missing in the paper. Atom # OX SITE x y z SOF H Na 1 +1 4 a 0 0.75 0.875 0.5 0 La 1 +3 4 a 0 0.75 0.875 0.5 0 W 1 +6 4 b 0.5 0.75 0.125 1. 0 O 1 -2 16 f 0.737(2) 0.604(2) 0.041(1) 1. 0 *end for ICSD #66090 |
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