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【答案】应助回帖
*data for ICSD #170158
Coll Code 170158
Rec Date 2006/04/01
Chem Name Triyttrium Aluminium Oxide
Structured Y3 Al5 O12
Sum Al5 O12 Y3
ANX A3B5X12
Min Name Garnet
D(calc) 4.56
Title Structure of YAG crystals doped/substituted with erbium and ytterbium
Author(s) Dobrzycki, L.;Bulska, E.;Pawlak, D.A.;Frukacz, Z.;Wozniak, K.
Reference Inorganic Chemistry
(2004), 43(24), 7656-7664
Unit Cell 12.0003(14) 12.0003(14) 12.0003(14) 90. 90. 90.
Vol 1728.13
Z 8
Space Group I a -3 d
SG Number 230
Cryst Sys cubic
Pearson cI160
Wyckoff h d c a
R Value .0604
Red Cell I 10.392 10.392 10.392 109.471 109.471 109.471 864.065
Trans Red 0.500 0.500 -0.500 / -0.500 0.500 0.500 / 0.500 -0.500 0.500
Comments Compound with mineral name: Garnet
The structure has been assigned a PDF number (calculated
powder diffraction data): 01-073-3185
Structure type : Al2Ca3Si3O12
X-ray diffraction from single crystal
Atom # OX SITE x y z SOF H
Y 1 +3 24 c 0.1250 0.0000 0.2500 1 0
Al 1 +3 16 a 0.0000 0.0000 0.0000 1 0
Al 2 +3 24 d 0.3750 0.0000 0.2500 1 0
O 1 -2 96 h 0.28029(14) 0.10124(14) 0.19936(15) 1 0
Lbl Type U11 U22 U33 U12 U13 U23
Y1 Y3+ 0.0041(2) 0.00567(15) 0.00567(15) 0.000 0.000 0.0010(2)
Al1 Al3+ 0.0042(2) 0.0042(2) 0.0042(2) 0.0000(6) 0.0000(6) 0.0000(6)
Al2 Al3+ 0.0014(6) 0.0028(4) 0.0028(4) 0.000 0.000 0.000
O1 O2- 0.0047(7) 0.0041(7) 0.0057(7) 0.0009(5) 0.0008(6) 0.0005(6)
*end for ICSD #170158 |
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