data_1010682
_chemical_name_systematic          'Thorium dodecatungstosilicate 30-hydrate'
_chemical_formula_structural       'Th Si W12 O40 (H2 O)30'
_chemical_formula_sum              'H60 O70 Si Th W12'
_publ_section_title
;
Untersuchungen ueber das Kristallgitter von Heteropoly-saeuren und
deren Salzen
;
_publ_author_name                  'Kraus, O'
_journal_name_full
;
Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik,
Kristallchemie (-144,1977)
;
_journal_coden_ASTM                ZEKGAX
_journal_volume                    94
_journal_year                      1936
_journal_page_first                256
_journal_page_last                 279
_cell_length_a                     16.35
_cell_length_b                     16.35
_cell_length_c                     16.35
_cell_angle_alpha                  59.5
_cell_angle_beta                   59.5
_cell_angle_gamma                  59.5
_cell_volume                       3055.4
_cell_formula_units_Z              2
_exptl_crystal_density_meas        4.02
_symmetry_space_group_name_H-M     'R -3 m R'
_symmetry_Int_Tables_number        166
_symmetry_cell_setting             trigonal
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  'y,x,z'
  'y,z,x'
  'x,z,y'
  'z,x,y'
  'z,y,x'
  '-x,-y,-z'
  '-y,-x,-z'
  '-y,-z,-x'
  '-x,-z,-y'
  '-z,-x,-y'
  '-z,-y,-x'