data_global
_chemical_name_mineral 'Fluorstrophite'
loop_
_publ_author_name
'Klevtsova R F'
_journal_name_full 'Journal of Structural Chemistry'
_journal_volume 5 
_journal_year 1964
_journal_page_first 318
_journal_page_last 320
_publ_section_title
;
 The crystal structure of strontium-apatite
;
_database_code_amcsd 0014055
_chemical_formula_sum 'Sr3 Ca2 P3 O12 F'
_cell_length_a 9.63
_cell_length_b 9.63
_cell_length_c 7.22
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 579.856
_exptl_crystal_density_diffrn      3.705
_symmetry_space_group_name_H-M 'P 63'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x-y,x,1/2+z'
  '-y,x-y,z'
  '-x,-y,1/2+z'
  '-x+y,-x,z'
  'y,-x+y,1/2+z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Sr1   0.33333   0.66667   0.50000   1.00000
Ca1   0.33333   0.66667   0.00000   1.00000
SrA2   0.28900   0.25500   0.25000   0.66667
CaA2   0.28900   0.25500   0.25000   0.33333
P   0.37100   0.39900   0.74000   1.00000
O1   0.49200   0.34200   0.73000   1.00000
O2   0.47200   0.59000   0.78000   1.00000
O3   0.25900   0.32900   0.91000   1.00000
O4   0.26000   0.38500   0.57000   1.00000
F   0.00000   0.00000   0.06000   1.00000