data_global
_chemical_name_mineral 'Hydroxylapatite'
loop_
_publ_author_name
'Hendricks S'
'Jefferson M'
'Mosley V'
_journal_name_full 'Zeitschrift fur Kristallographie'
_journal_volume 81 
_journal_year 1932
_journal_page_first 352
_journal_page_last 369
_publ_section_title
;
 The Crystal Structures of Some Natural and Synthetic Apatite-Like
 Substances
 _cod_database_code 1011242
;
_database_code_amcsd 0018108
_chemical_formula_sum 'Ca5 P3 O13'
_cell_length_a 9.40
_cell_length_b 9.40
_cell_length_c 6.93
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 530.297
_exptl_crystal_density_diffrn      3.139
_symmetry_space_group_name_H-M 'P 63/m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-x+y,-x,1/2-z'
  'x-y,x,1/2+z'
  'y,-x+y,-z'
  '-y,x-y,z'
  'x,y,1/2-z'
  '-x,-y,1/2+z'
  'x-y,x,-z'
  '-x+y,-x,z'
  '-y,x-y,1/2-z'
  'y,-x+y,1/2+z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Ca1   0.33333   0.66667   0.00000
Ca2   0.25000   0.00000   0.25000
P1   0.41700   0.36100   0.25000
O1   0.33333   0.50000   0.25000
O2   0.60000   0.46700   0.25000
O3   0.33333   0.25000   0.06300
O4   0.00000   0.00000   0.25000