data_global
_chemical_name_mineral 'Srebrodolskite'
loop_
_publ_author_name
'Bertaut E'
'Blum P'
'Sagnieres A'
_journal_name_full 'Acta Crystallographica'
_journal_volume 12 
_journal_year 1959
_journal_page_first 149
_journal_page_last 159
_publ_section_title
;
 Structure du Ferrite Bicalcique et de la Brownmillerite
 _cod_database_code 1008124
;
_database_code_amcsd 0016066
_chemical_formula_sum 'Ca2 (Fe Al) O5'
_cell_length_a 5.58
_cell_length_b 14.5
_cell_length_c 5.34
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 432.059
_exptl_crystal_density_diffrn      3.735
_symmetry_space_group_name_H-M 'P c m n'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,1/2-y,z'
  '-x,1/2+y,-z'
  '1/2+x,1/2+y,1/2-z'
  '1/2-x,1/2-y,1/2+z'
  '1/2-x,y,1/2+z'
  '1/2+x,-y,1/2-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Ca   0.02800   0.11200   0.48000   1.00000
Fe1   0.00000   0.00000   0.00000   0.50000
Al1   0.00000   0.00000   0.00000   0.50000
Fe2  -0.07200   0.25000  -0.05500   0.50000
Al2  -0.07200   0.25000  -0.05500   0.50000
O1   0.25000  -0.01500   0.25000   1.00000
O2   0.05500   0.13300   0.00000   1.00000
O3  -0.13700   0.25000   0.60700   1.00000