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【答案】应助回帖
感谢参与,应助指数 +1
*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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