data_1010070
_chemical_name_systematic          'Barium hexahydroxyantimonate dihydrate'
_chemical_formula_structural       'BA (H2 O)2 (SB (O H)6 )2'
_chemical_formula_sum              'H16 Ba O14 Sb2'
_publ_section_title
;
On the crystal structure of barium antimonate.
;
_publ_author_name                  'Beintema, J'
_journal_name_full
;
Proceedings of the Koninklijke Nederlandse Academie van Wetenschappen
;
_journal_coden_ASTM                PKNAAU
_journal_volume                    39
_journal_year                      1936
_journal_page_first                652
_journal_page_last                 661
_cell_length_a                     9.961
_cell_length_b                     12.506
_cell_length_c                     10.129
_cell_angle_alpha                  90
_cell_angle_beta                   87.3
_cell_angle_gamma                  90
_cell_volume                       1260.4
_cell_formula_units_Z              4
_exptl_crystal_density_meas        3.22
_symmetry_space_group_name_H-M     'I 1 2/a 1 S'
_symmetry_Int_Tables_number        15
_symmetry_cell_setting             monoclinic
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  '-x,y,-z'
  '1/2-x,-y,-z'
  '1/2+x,-y,z'
  '1/2+x,1/2+y,1/2+z'
  '1/2-x,1/2+y,1/2-z'
  '-x,1/2-y,1/2-z'
  'x,1/2-y,1/2+z'
loop_
_atom_type_symbol
_atom_type_oxidation_number
  Ba2+   2.000
  Sb5+   5.000
  O2-   -2.000
  H1+    1.000
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_symmetry_multiplicity
_atom_site_Wyckoff_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_attached_hydrogens
_atom_site_calc_flag
  Ba1   Ba2+   4 e 0. 0.25 0. 1.  0 d
  Sb1   Sb5+   8 f 0. 0. 0.25 1.  0 d
  O1    O2-    8 f -1. -1. -1. 7.  0 dum
  H1    H1+    8 f -1. -1. -1. 8.  0 dum