Ba2 Cu2.78 O7 Y
Bordet P, Chaillout C, Fournier T, Marezio M, Kaldis E, Karpinski J, Jilek E
Physical Review B47 (1993) 3465-3468
Evidence by x-ray diffraction for two apical oxygen sites in a copper-
deficient Y Ba2 Cu2.78 O7 crystal
_cod_database_code 1008857
_database_code_amcsd 0016723
3.8764 3.8764 11.624 90 90 90 P4/mmm
atom  x  y      z  occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Y1   .5 .5     .5       .0046  .0046  .0085      0      0      0
Ba1  .5 .5 .18937       .0147  .0147  .0114      0      0      0
Cu1   0  0      0 .787  .0235  .0235  .0081      0      0      0
Cu2   0  0  .3602       .0041  .0041  .0104      0      0      0
O1    0  0   .143  .96  .0041  .0041    .09      0      0      0
O2   .5  0  .3763        .006   .011   .011      0      0      0
O3   .5  0      0  .54    .30    .28   .015      0      0      0