data_global
_chemical_name_mineral 'Bischofite'
loop_
_publ_author_name
'Andress K'
'Gundermann J'
_journal_name_full 'Zeitschrift fur Kristallographie'
_journal_volume 87 
_journal_year 1934
_journal_page_first 345
_journal_page_last 369
_publ_section_title
;
 Die Struktur von Magnesiumchlorid- und Magnesiumbromidhexahydrat.
 _cod_database_code 1011249
;
_database_code_amcsd 0018111
_chemical_formula_sum 'Mg Cl2 O6'
_cell_length_a 9.90
_cell_length_b 7.15
_cell_length_c 6.10
_cell_angle_alpha 90
_cell_angle_beta 94.00
_cell_angle_gamma 90
_cell_volume 430.737
_exptl_crystal_density_diffrn      1.474
_symmetry_space_group_name_H-M 'C 1 2/m 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,-y,z'
  '1/2+x,1/2-y,z'
  '-x,y,-z'
  '1/2-x,1/2+y,-z'
  '-x,-y,-z'
  '1/2-x,1/2-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Mg1   0.00000   0.00000   0.00000
Cl1   0.31800   0.00000   0.61500
O1   0.20000   0.00000   0.11000
O2   0.96000   0.20000   0.22500