data_global
_amcsd_formula_title 'Cr0.54 Cu2 Hg0.46 O9.88 Sr4'
loop_
_publ_author_name
'Pelloquin D'
'Hervieu M'
'Malo S'
'Michel C'
'Maignan A'
'Raveau B'
_journal_name_full 'Physica C'
_journal_volume 246 
_journal_year 1995
_journal_page_first 1
_journal_page_last 10
_publ_section_title
;
 Two transition-metal-substituted superconducting mercury-based
 oxycarbonates, Hg(1-x) Mx Sr4 Cu2 (C O3) O(6+d) (M=Cr and Mo)
 _cod_database_code 1001637
;
_database_code_amcsd 0015071
_chemical_formula_sum '(Hg.46 Cr.54) Sr4 Cu2 C O9.88'
_cell_length_a 3.8747
_cell_length_b 3.8747
_cell_length_c 16.15549
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 242.547
_exptl_crystal_density_diffrn      5.258
_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   0.46000
Cr1   0.00000   0.00000   0.00000   0.54000
Sr1   0.50000   0.50000   0.15790   1.00000
Sr2   0.50000   0.50000   0.37200   1.00000
Cu1   0.00000   0.00000   0.26680   1.00000
C1   0.00000   0.00000   0.50000   1.00000
O1   0.50000   0.50000   0.00000   0.88000
O2   0.00000   0.00000   0.12050   1.00000
O3   0.00000   0.00000   0.42500   1.00000
O4   0.25000   0.25000   0.50000   0.25000
O5   0.50000   0.00000   0.27830   1.00000