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CC=Collection Code: [AB2X4]=ANX Form: [cF56]=Pearson: [e d a]=Wyckoff Symbol: [Al2MgO4]=Structure Type:
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CC=280773 Help
TitleMonoclinic Al P O4 tridymite at 473 and 463 K, from X-ray powder data.
AuthorsGraetsch, H.A.
ReferenceIC&volume=58&fpage=18&details=yes target=icsd_help>Acta Crystallographica C (2002) 58, 18-20
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CompoundAl1 O4 P1 - Aluminium phosphate(V) - HT [ABX4] [mP12] [a6] []
Cell5.0803(2), 5.0703(2), 8.2992(3), 90., 90., 119.6040(3)
P1121 (4) V=185.87
RemarksR=0.011000 : T =463 : X M
Incommensurate phase

Atom (site) Oxid. x, y, z, B, Occupancy
Al1(2a)3
P1(2a)5
O1(2a)-2
O2(2a)-2
O3(2a)-2
O4(2a)-2
0.350.630.0601
0.310.700.4301
0.330.660.2601
0.53-.02-.0201
0.000.44-.0101
0.530.440.0201
Atom (site) Oxid. U11, U22, U33, U12, U13, U23
Al1(2a)3
P1(2a)5
O1(2a)-2
O2(2a)-2
O3(2a)-2
O4(2a)-2
0.030.040.050.01-.02-.01
0.040.030.030.020.000.00
0.130.150.010.070.030.00
0.180.060.050.060.030.02
0.030.120.170.02-.05-.04
0.160.130.120.130.01-.02

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