data_global
_amcsd_formula_title 'KMg.5Cu.5F3'
loop_
_publ_author_name
'Burns P C'
'Hawthorne F C'
'Hofmeister A M'
'Moret S L'
_journal_name_full 'Physics and Chemistry of Minerals'
_journal_volume 23 
_journal_year 1996
_journal_page_first 141
_journal_page_last 150
_publ_section_title
;
 A structural phase-transition in K(Mg1-xCux)F3 perovskite
 Sample: x = 0.500
;
_database_code_amcsd 0007940
_chemical_formula_sum 'K (Cu.5 Mg.5) F3'
_cell_length_a 4.0112
_cell_length_b 4.0112
_cell_length_c 4.0112
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 64.539
_exptl_crystal_density_diffrn      3.603
_symmetry_space_group_name_H-M 'P m 3 m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'z,-x,y'
  '-y,z,-x'
  'x,-y,z'
  '-z,x,-y'
  'y,-z,x'
  '-x,y,-z'
  'x,-z,-y'
  '-z,y,x'
  'y,-x,-z'
  '-x,z,y'
  'z,-y,-x'
  '-y,x,z'
  'x,z,y'
  '-z,-y,-x'
  'y,x,z'
  '-x,-z,-y'
  'z,y,x'
  '-y,-x,-z'
  'z,x,-y'
  '-y,-z,x'
  'x,y,-z'
  '-z,-x,y'
  'y,z,-x'
  '-x,-y,z'
  '-z,x,y'
  'y,-z,-x'
  '-x,y,z'
  'z,-x,-y'
  '-y,z,x'
  'x,-y,-z'
  '-x,z,-y'
  'z,-y,x'
  '-y,x,-z'
  'x,-z,y'
  '-z,y,-x'
  'y,-x,z'
  '-x,-z,y'
  'z,y,-x'
  '-y,-x,z'
  'x,z,-y'
  '-z,-y,x'
  'y,x,-z'
  '-z,-x,-y'
  'y,z,x'
  '-x,-y,-z'
  'z,x,y'
  '-y,-z,-x'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
K   0.50000   0.50000   0.50000   1.00000
Cu   0.00000   0.00000   0.00000   0.50000
Mg   0.00000   0.00000   0.00000   0.50000
F   0.50000   0.00000   0.00000   1.00000