data_global
_amcsd_formula_title 'Cu11 O28 Sr8 Y4'
loop_
_publ_author_name
'Domenges B'
'Hervieu M'
'Raveau B'
_journal_name_full 'Physica C'
_journal_volume 207 
_journal_year 1993
_journal_page_first 65
_journal_page_last 78
_publ_section_title
;
 Ordered substitution of "CO3" groups for CuO4 square groups in the
 "123" structure. The oxycarbonate Y4Sr8Cu11CO3O25, n=4 member
 of the series YnSr2nCu3n-1CO3O7n-3
 _cod_database_code 1001582
;
_database_code_amcsd 0015043
_chemical_formula_sum 'Y4 Sr8 Cu11 C O28'
_cell_length_a 15.311
_cell_length_b 3.851
_cell_length_c 22.371
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 1319.054
_exptl_crystal_density_diffrn      5.578
_symmetry_space_group_name_H-M 'B m 2 m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,y,1/2+z'
  '-x,y,z'
  '1/2-x,y,1/2+z'
  'x,y,-z'
  '1/2+x,y,1/2-z'
  '-x,y,-z'
  '1/2-x,y,1/2-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Y1   0.12500   0.50000   0.74000   1.00000
Sr1   0.12500   0.50000  -0.09350   1.00000
Sr2   0.35720   0.50000  -0.09350   1.00000
Cu1   0.00000   0.00000   0.81900   1.00000
Cu2   0.25000   0.00000   0.81900   1.00000
Cu3   0.50000   0.00000   0.82650   1.00000
Cu4   0.00000   0.00000   0.00000   1.00000
Cu5   0.25000   0.00000   0.00000   1.00000
C1   0.50000   0.00000   0.00000   1.00000
O1   0.12500   0.00000   0.80750   1.00000
O2   0.37500   0.00000   0.82700   1.00000
O3   0.00000   0.50000   0.81150   1.00000
O4   0.25000   0.50000   0.81150   1.00000
O5   0.50000   0.50000   0.82800   1.00000
O6   0.00000   0.00000  -0.08250   1.00000
O7   0.25000   0.00000  -0.08250   1.00000
O8   0.58580   0.00000   0.00000   0.50000
O9   0.54350   0.00000  -0.05000   0.50000
O10   0.00000   0.50000   0.00000   1.00000
O11   0.25000   0.50000   0.00000   1.00000