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paopaomeng(½ð±Ò+1,VIP+0):лл½»Á÷ 3-23 18:32
paopaomeng(½ð±Ò+1,VIP+0):лл½»Á÷ 3-23 18:32
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*data for ICSD #79754 Coll Code 79754 Rec Date 1996/10/14 Mod Date 1999/01/19 Chem Name Yttrium Phosphate(V) Structured Y (P O4) Sum O4 P1 Y1 ANX ABX4 Min Name Xenotime (Y) D(calc) 4.26 Title Crystal chemistry of the monazite and xenotime structures Author(s) Ni, Y.-X.;Hughes, J.M.;Mariano, A.N. Reference American Mineralogist (1995), 80, 21-26 Unit Cell 6.8947(6) 6.8947(6) 6.0276(6) 90. 90. 90. Vol 286.53 Z 4 Space Group I 41/a m d Z SG Number 141 Cryst Sys tetragonal Pearson tI24 Wyckoff h b a R Value .016 Red Cell I 5.731 5.731 5.731 106.050 106.050 116.553 143.267 Trans Red -0.500 0.500 0.500 / 0.500 -0.500 0.500 / 0.500 0.500 -0.500 Comments Lattice parameters given were fit to lattice symmetry Zircon structure type Compound with mineral name: Xenotime (Y) The structure has been assigned a PDF number (calculated powder diffraction data): 01-083-0658 The structure has been assigned a PDF number (experimental powder diffraction data): 11-254 Structure type : ZrSiO4 X-ray diffraction from single crystal Unusual difference between calculated and measured density Atom # OX SITE x y z SOF H ITF(B) Y 1 +3 4 a 0 0.75 0.125 1. 0 0.455(7) P 1 +5 4 b 0 0.25 0.375 1. 0 0.62(2) O 1 -2 16 h 0 0.0753(6) 0.2158(6) 1. 0 0.94(6) *end for ICSD #79754 |
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