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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=80691 Help
TitleSynthesis and structure of the tetragonal "Ba3 Y Cu2 Ox" phase. A perovskite containing carbonate ions.
AuthorsGreaves, C.;Slater, P.R.
ReferencePhysica C (1991) 175, 172-178
Link XRef SCOPUS Google
CompoundC0.53 Ba4 Cu2.27 O8.67 Y1 - Barium yttrium copper oxide carbonate (4/1/2.3/7.1/0.5) [ABC2D4X9] [tP16] [r k2 j i h g d c b a] []
Cell5.782(2), 5.782(2), 8.022(3), 90., 90., 90.
P4/MMM (123) V=268.19
RemarksR=0.017000 : N D
x,y(Ba) misprinted as .25,.25

Atom (site) Oxid. x, y, z, B, Occupancy
Y1(1a)3
Ba1(4i)2
Cu1(1c)1.859
Cu2(1b)1.859
Cu3(1d)1.859
C1(1d)4
O1(2g)-2
O2(4j)-2
O3(4k)-2
O4(2h)-2
O5(4k)-2
O6(8r)-2
0000.471
0.500.241.161
0.50.500.241
000.52.7(1
0.50.50.50.540.27
0.50.50.50.540.53
000.282.4(1
0.260.2601.111
0.270.270.50.9(0.13
0.50.50.250.9(0.27
0.320.320.50.9(0.13
0.430.430.360.9(0.13

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