data_global
_chemical_name_mineral 'Celestine'
loop_
_publ_author_name
'James R'
_journal_name_full 'Proceedings of the Royal Society of London'
_journal_volume A109 
_journal_year 1925
_journal_page_first 598
_journal_page_last 620
_publ_section_title
;
 The Crystal Structures of Barytes, Celestine and Anglesite
 _cod_database_code 1010543
;
_database_code_amcsd 0017448
_chemical_formula_sum 'Sr S'
_cell_length_a 8.36
_cell_length_b 5.36
_cell_length_c 6.84
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 306.498
_exptl_crystal_density_diffrn      2.594
_symmetry_space_group_name_H-M 'P n m a'
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
Sr1   0.32080   0.25000   0.33880
S1   0.44300   0.25000  -0.19470