data_global
_amcsd_formula_title 'KNaSO4'
loop_
_publ_author_name
'Okada K'
'Ossaka J'
_journal_name_full 'Acta Crystallographica, Section B'
_journal_volume 36 
_journal_year 1980
_journal_page_first 919
_journal_page_last 921
_publ_section_title
;
 Structures of potassium sodium sulphate and tripotassium sodium disulphate
;
_database_code_amcsd 0009707
_chemical_formula_sum 'K Na S O4'
_cell_length_a 5.6066
_cell_length_b 5.6066
_cell_length_c 7.177
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 195.377
_exptl_crystal_density_diffrn      2.688
_symmetry_space_group_name_H-M 'P 3 m 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-y,-x,z'
  '-y,x-y,z'
  'x,x-y,z'
  '-x+y,-x,z'
  '-x+y,y,z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
K1   0.00000   0.00000   0.00000
Na1   0.00000   0.00000   0.50400
Na2   0.66667   0.33333   0.68900
K2   0.33333   0.66667   0.30900
S1   0.66667   0.33333   0.23400
S2   0.33333   0.66667   0.76400
O1   0.66667   0.33333   0.02600
O2   0.33333   0.66667   0.95500
O3   0.18700  -0.18700   0.71000
O4   0.80300  -0.80300   0.31400