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CC=Collection Code: [AB2X4]=ANX Form: [cF56]=Pearson: [e d a]=Wyckoff Symbol: [Al2MgO4]=Structure Type:
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TitleTernary rare-earth selenides with the U3 Sc S6 structure type: synthesis, characterization, and some magnetic properties of Ln3 T Se6 (Ln= Sm, Gd; T= In, Cr) and Tb3 Cr Se6.
AuthorsTougait, O.;Ibers, J.A.
ReferenceInorganic Chemistry (2000) 39, 179-179
Link XRef SCOPUS Google
CompoundCr1 Se6 Sm3 - Trisamarium chromium selenide [AB3X6] [oP40] [g9 c a] []
Cell14.032(3), 16.782(3), 3.9841(8), 90., 90., 90.
PNNM (58) V=938.2
RemarksR=0.034200 : T =153 :
The coordinates are those given in the paper but the atomic distances do not agree with those calculated during testing.The coordinates are probably correct.

Atom (site) Oxid. x, y, z, B, Occupancy
Sm1(4g)3
Sm2(4g)3
Sm3(4g)3
Se1(4g)-2
Se2(4g)-2
Se3(4g)-2
Se4(4g)-2
Se5(4g)-2
Se6(4g)-2
Cr1(2c)3
Cr2(2a)3
0.320.14001
0.550.27001
0.750.09001
0.100.75001
0.120.10001
0.190.29001
0.170.52001
0.420.42001
0.520.09001
00.5001
00001
Atom (site) Oxid. U11, U22, U33, U12, U13, U23
Sm1(4g)3
Sm2(4g)3
Sm3(4g)3
Se1(4g)-2
Se2(4g)-2
Se3(4g)-2
Se4(4g)-2
Se5(4g)-2
Se6(4g)-2
Cr1(2c)3
Cr2(2a)3
0.000.010.00-.0000
0.000.010.00-.0000
0.000.010.00-.0000
0.000.000.000.0000
0.000.010.00-.0000
0.000.000.00-.0000
0.000.010.00-.0000
0.000.010.000.0000
0.000.010.000.0000
0.000.000.000.0000
0.000.010.00-.0000

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