data_global
_chemical_name_mineral 'Chlormayenite'
loop_
_publ_author_name
'Buessem W'
'Eitel A'
_journal_name_full 'Zeitschrift fur Kristallographie'
_journal_volume 95 
_journal_year 1936
_journal_page_first 175
_journal_page_last 188
_publ_section_title
;
 Die Struktur des Pentacalciumtrialuminats
 _cod_database_code 1011034
;
_database_code_amcsd 0017939
_chemical_formula_sum 'Ca6 Al7 O16'
_cell_length_a 11.95
_cell_length_b 11.95
_cell_length_c 11.95
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 1706.490
_exptl_crystal_density_diffrn      2.668
_symmetry_space_group_name_H-M 'I -4 3 d'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,1/2+z'
  '1/2-z,x,-y'
  '-z,1/2+x,1/2-y'
  '1/2-y,z,-x'
  '-y,1/2+z,1/2-x'
  '1/2-x,y,-z'
  '-x,1/2+y,1/2-z'
  '1/4+x,3/4-z,1/4-y'
  '3/4+x,1/4-z,3/4-y'
  '1/4+z,3/4-y,1/4-x'
  '3/4+z,1/4-y,3/4-x'
  '1/4+y,3/4-x,1/4-z'
  '3/4+y,1/4-x,3/4-z'
  '1/4+x,1/4+z,1/4+y'
  '3/4+x,3/4+z,3/4+y'
  '1/4+z,1/4+y,1/4+x'
  '3/4+z,3/4+y,3/4+x'
  '1/4+y,1/4+x,1/4+z'
  '3/4+y,3/4+x,3/4+z'
  '-z,1/2-x,y'
  '1/2-z,-x,1/2+y'
  '-y,1/2-z,x'
  '1/2-y,-z,1/2+x'
  '-x,1/2-y,z'
  '1/2-x,-y,1/2+z'
  '1/2+z,1/2-x,-y'
  '+z,-x,1/2-y'
  '1/2+y,1/2-z,-x'
  '+y,-z,1/2-x'
  '1/2+x,1/2-y,-z'
  '+x,-y,1/2-z'
  '3/4-x,3/4+z,1/4-y'
  '1/4-x,1/4+z,3/4-y'
  '3/4-z,3/4+y,1/4-x'
  '1/4-z,1/4+y,3/4-x'
  '3/4-y,3/4+x,1/4-z'
  '1/4-y,1/4+x,3/4-z'
  '3/4-x,1/4-z,1/4+y'
  '1/4-x,3/4-z,3/4+y'
  '3/4-z,1/4-y,1/4+x'
  '1/4-z,3/4-y,3/4+x'
  '3/4-y,1/4-x,1/4+z'
  '1/4-y,3/4-x,3/4+z'
  'z,x,y'
  '1/2+z,1/2+x,1/2+y'
  'y,z,x'
  '1/2+y,1/2+z,1/2+x'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Ca1   0.10300   0.00000   0.25000
Al1   0.37500   0.00000   0.25000
Al2  -0.02200  -0.02200  -0.02200
O1   0.06400   0.06400   0.06400
O2   0.28300   0.09700   0.19700