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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=65387 Help
TitleCrystal structure of Ba2 Er Cu3 O7-x determined by neutron powder diffraction.
AuthorsIshigari, T.;Asano, H.;Takita, K.;Katoh, H.;Akinaga, H.;Izumi, F.;Watanabe, N.
ReferenceIC&volume=26&fpage=168&details=yes target=icsd_help>Japanese Journal of Applied Physics, Par (1987) 26, 168-168
Link XRef SCOPUS Google
CompoundBa2 Cu3 Er1 O6.93 - Barium erbium copper oxide (2/1/3/6.93) [ABC2D2X7] [oP13] [t s r q2 h e b a] []
Cell3.8737(2), 3.8044(2), 11.6194(7), 90., 90., 90.
PMMM (47) V=171.24
RemarksR=0.020000 : M =Cu : N T =41 : D
At least one temperature factor is implausible or meaningless but agrees with the value given in the paper.

Atom (site) Oxid. x, y, z, B, Occupancy
Ba1(2t)2
Er1(1h)3
Cu1(1a)2.86
Cu2(2q)2
O1(1b)-2
O2(1e)-2
O3(2q)-2
O4(2r)-2
O5(2s)-2
0.50.50.180.201
0.50.50.50.101
0000.101
000.350.261
0.5000.120.88
00.500.120.05
000.160.361
00.50.370.261
0.500.370.331

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