data_global
_chemical_name_mineral 'Carnegieite high'
loop_
_publ_author_name
'Barth F'
'Posnjak E'
_journal_name_full 'Zeitschrift fur Kristallographie'
_journal_volume 81 
_journal_year 1932
_journal_page_first 376
_journal_page_last 385
_publ_section_title
;
 Silicate structures of the cristobalite type: III. Structural
 relationship of high-cristobalite, alpha-Carnegieite, and Na2SiO4
 _cod_database_code 1010953
;
_database_code_amcsd 0017673
_chemical_formula_sum 'Si Al Na O4'
_cell_length_a 7.37
_cell_length_b 7.37
_cell_length_c 7.37
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 400.316
_exptl_crystal_density_diffrn      2.357
_symmetry_space_group_name_H-M 'P 21 3'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2-z,-x,1/2+y'
  '-z,1/2+x,1/2-y'
  '1/2+z,1/2-x,-y'
  'z,x,y'
  '1/2+y,1/2-z,-x'
  '1/2-y,-z,1/2+x'
  '-y,1/2+z,1/2-x'
  'y,z,x'
  '-x,1/2+y,1/2-z'
  '1/2+x,1/2-y,-z'
  '1/2-x,-y,1/2+z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Si1   0.00000   0.00000   0.00000
Al1   0.25800   0.25800   0.25800
Na1   0.74500   0.74500   0.74500
O1   0.12500   0.12500   0.12500
O2   0.66000   0.64500   0.05600