data_global
_amcsd_formula_title 'Bi0.5 Cu2 Hg0.545 O9.72 Sr4'
loop_
_publ_author_name
'Pelloquin D'
'Hervieu M'
'Michel C'
'Maignan A'
'Raveau B'
_journal_name_full 'Physica C'
_journal_volume 227 
_journal_year 1994
_journal_page_first 215
_journal_page_last 224
_publ_section_title
;
 A new superconducting oxycarbonate Bi0.5 Hg0.5 Sr4 Cu2 (C O3) O7-d
 _cod_database_code 1001633
;
_database_code_amcsd 0015067
_chemical_formula_sum 'Hg.545 Bi.5 Sr4 Cu2 C.955 O9.72'
_cell_length_a 3.8265
_cell_length_b 3.8265
_cell_length_c 16.4742
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 241.217
_exptl_crystal_density_diffrn      5.909
_symmetry_space_group_name_H-M 'P 4/m m m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-y,-x,z'
  'y,x,-z'
  'y,-x,-z'
  '-y,x,z'
  'x,-y,z'
  '-x,y,-z'
  'x,y,-z'
  '-x,-y,z'
  'y,x,z'
  '-y,-x,-z'
  '-y,x,-z'
  'y,-x,z'
  '-x,y,z'
  'x,-y,-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Hg1   0.00000   0.00000   0.00000   0.50000
Bi1   0.00000   0.00000   0.00000   0.50000
Sr1   0.50000   0.50000   0.15790   1.00000
Sr2   0.50000   0.50000   0.37140   1.00000
Cu1   0.00000   0.00000   0.26430   1.00000
C1   0.00000   0.00000   0.50000   0.95500
Hg2   0.00000   0.00000   0.50000   0.04500
O1   0.50000   0.50000   0.00000   0.72000
O2   0.00000   0.00000   0.11800   1.00000
O3   0.15100   0.00000   0.42500   0.25000
O4   0.67500   0.00000   0.50000   0.25000
O5   0.50000   0.00000   0.27210   1.00000