data_global
_chemical_name_mineral 'Chlormayenite'
loop_
_publ_author_name
'Ma C'
'Connolly H C'
'Beckett J R'
'Tschauner O'
'Rossman G R'
'Kampf A R'
'Zega T J'
'Sweeney Smith S A'
'Schrader D L'
_journal_name_full 'American Mineralogist'
_journal_volume 96 
_journal_year 2011
_journal_page_first 1199
_journal_page_last 1206
_publ_section_title
;
 Brearleyite, Ca12Al14O32Cl2, a new alteration mineral from the NWA 1934 meteorite
;
_database_code_amcsd 0018484
_chemical_compound_source 'Northwest Africa 1934 CV3 carbonaceous chondrite'
_chemical_formula_sum 'Ca6.66 Al7 O16 Cl1.11'
_cell_length_a 11.98
_cell_length_b 11.98
_cell_length_c 11.98
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 1719.374
_exptl_crystal_density_diffrn      2.902
_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
_atom_site_occupancy
Ca1   0.61500   0.00000   0.25000   0.77000
Ca2   0.55500   0.00000   0.25000   0.34000
Al1   0.01300   0.01300   0.01300   1.00000
Al2   0.87500   0.00000   0.25000   1.00000
O1   0.79200   0.09500   0.30000   1.00000
O2   0.17000   0.17000   0.17000   1.00000
Cl   0.37500   0.00000   0.25000   0.37000