data_global
_amcsd_formula_title 'Ba2 Cu2 Hg1.88 O10 Pr2'
loop_
_publ_author_name
'Huve M'
'Martin C'
'Maignan A'
'Michel C'
'Van Tendeloo G'
'Hervieu M'
'Raveau B'
_journal_name_full 'Journal of Solid State Chemistry'
_journal_volume 114 
_journal_year 1995
_journal_page_first 230
_journal_page_last 235
_publ_section_title
;
 A new cuprate with mercury bilayers: the "2222" oxide
 Hg2-xMxBa2Pr2Cu2O10-d (M=Cu,Pr)
 _cod_database_code 1001639
;
_database_code_amcsd 0013835
_chemical_formula_sum 'Hg.94 Cu Ba Pr O5'
_cell_length_a 3.9072
_cell_length_b 3.9072
_cell_length_c 17.21919
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 262.872
_exptl_crystal_density_diffrn      7.711
_symmetry_space_group_name_H-M 'P 4/n m m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2-y,1/2-x,z'
  '1/2+y,1/2+x,-z'
  '1/2+y,-x,-z'
  '1/2-y,x,z'
  'x,1/2-y,z'
  '-x,1/2+y,-z'
  '1/2+x,1/2+y,-z'
  '1/2-x,1/2-y,z'
  'y,x,z'
  '-y,-x,-z'
  '-y,1/2+x,-z'
  'y,1/2-x,z'
  '1/2-x,y,z'
  '1/2+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   0.75000   0.75000   0.43770   0.94000
Cu1   0.75000   0.75000   0.17430   1.00000
Ba1   0.25000   0.25000   0.29160   1.00000
Pr1   0.25000   0.25000   0.07620   1.00000
O1   0.25000   0.75000   0.00000   1.00000
O2   0.75000   0.25000   0.17500   1.00000
O3   0.75000   0.75000   0.31200   1.00000
O4   0.25000   0.25000   0.44800   1.00000