The structure described by Ba(H2PO4)2 crystallizes in the triclinic P-1 space group. Ba(1) is bonded in a 8-coordinate geometry to one O(1), one O(3), one O(4), one O(5), one O(6), one O(8), and two equivalent O(2) atoms. There are two inequivalent P sites. In the first P site, P(1) is bonded in a tetrahedral geometry to one O(1), one O(2), one O(3), and one O(4) atom. In the second P site, P(2) is bonded in a tetrahedral geometry to one O(5), one O(6), one O(7), and one O(8) atom. There are five inequivalent H sites. In the first H site, H(1) is bonded in a linear geometry to one O(3) and one O(7) atom. In the second H site, H(2) is bonded in a linear geometry to one O(4) and one O(5) atom. In the third H site, H(3) is bonded in a linear geometry to two equivalent O(6) atoms. In the fourth H site, H(4) is bonded in a linear geometry to two equivalent O(7) atoms. In the fifth H site, H(5) is bonded in a single-bond geometry to one O(1) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Ba(1), one P(1), and one H(5) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to two equivalent Ba(1) and one P(1) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one Ba(1), one P(1), and one H(1) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Ba(1), one P(1), and one H(2) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Ba(1), one P(2), and one H(2) atom. In the sixth O site, O(6) is bonded in a distorted bent 120 degrees geometry to one Ba(1), one P(2), and one H(3) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one P(2), one H(1), and one H(4) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one Ba(1) and one P(2) atom. is represented by the CIF file [CIF]
data_BaP2(HO2)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.074
_cell_length_b   7.434
_cell_length_c   8.278
_cell_angle_alpha   100.867
_cell_angle_beta   100.233
_cell_angle_gamma   104.515
_symmetry_Int_Tables_number   1
_cell_volume   402.148
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Ba  Ba0  1  0.727  0.757  0.872  1.0
  Ba  Ba1  1  0.273  0.243  0.128  1.0
  P  P2  1  0.731  0.241  0.886  1.0
  P  P3  1  0.269  0.759  0.114  1.0
  P  P4  1  0.768  0.683  0.413  1.0
  P  P5  1  0.232  0.317  0.587  1.0
  H  H6  1  0.940  0.378  0.678  1.0
  H  H7  1  0.060  0.622  0.322  1.0
  H  H8  1  0.409  0.128  0.751  1.0
  H  H9  1  0.591  0.872  0.249  1.0
  H  H10  1  0.500  0.500  0.500  1.0
  H  H11  1  0.000  0.500  0.500  1.0
  H  H12  1  0.743  0.466  0.114  1.0
  H  H13  1  0.257  0.534  0.886  1.0
  O  O14  1  0.644  0.357  0.030  1.0
  O  O15  1  0.356  0.643  0.970  1.0
  O  O16  1  0.878  0.148  0.965  1.0
  O  O17  1  0.122  0.852  0.035  1.0
  O  O18  1  0.812  0.387  0.789  1.0
  O  O19  1  0.188  0.613  0.211  1.0
  O  O20  1  0.534  0.077  0.786  1.0
  O  O21  1  0.466  0.923  0.214  1.0
  O  O22  1  0.748  0.769  0.259  1.0
  O  O23  1  0.252  0.231  0.741  1.0
  O  O24  1  0.586  0.501  0.386  1.0
  O  O25  1  0.414  0.499  0.614  1.0
  O  O26  1  0.955  0.589  0.399  1.0
  O  O27  1  0.045  0.411  0.601  1.0
  O  O28  1  0.185  0.190  0.412  1.0
  O  O29  1  0.815  0.810  0.588  1.0
[/CIF]
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The structure described by Ba(H2PO4)2 crystallizes in the triclinic P-1 space group. Ba(1) is bonded in a 8-coordinate geometry to one O(1), one O(3), one O(4), one O(5), one O(6), one O(8), and two equivalent O(2) atoms. There are two inequivalent P sites. In the first P site, P(1) is bonded in a tetrahedral geometry to one O(1), one O(2), one O(3), and one O(4) atom. In the second P site, P(2) is bonded in a tetrahedral geometry to one O(5), one O(6), one O(7), and one O(8) atom. There are five inequivalent H sites. In the first H site, H(1) is bonded in a linear geometry to one O(3) and one O(7) atom. In the second H site, H(2) is bonded in a linear geometry to one O(4) and one O(5) atom. In the third H site, H(3) is bonded in a linear geometry to two equivalent O(6) atoms. In the fourth H site, H(4) is bonded in a linear geometry to two equivalent O(7) atoms. In the fifth H site, H(5) is bonded in a single-bond geometry to one O(1) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Ba(1), one P(1), and one H(5) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to two equivalent Ba(1) and one P(1) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one Ba(1), one P(1), and one H(1) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Ba(1), one P(1), and one H(2) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Ba(1), one P(2), and one H(2) atom. In the sixth O site, O(6) is bonded in a distorted bent 120 degrees geometry to one Ba(1), one P(2), and one H(3) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one P(2), one H(1), and one H(4) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one Ba(1) and one P(2) atom. is represented by the CIF file [CIF]
data_BaP2(HO2)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.074
_cell_length_b   7.434
_cell_length_c   8.278
_cell_angle_alpha   100.867
_cell_angle_beta   100.233
_cell_angle_gamma   104.515
_symmetry_Int_Tables_number   1
_cell_volume   402.148
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Ba  Ba0  1  0.727  0.757  0.872  1.0
  Ba  Ba1  1  0.273  0.243  0.128  1.0
  P  P2  1  0.731  0.241  0.886  1.0
  P  P3  1  0.269  0.759  0.114  1.0
  P  P4  1  0.768  0.683  0.413  1.0
  P  P5  1  0.232  0.317  0.587  1.0
  H  H6  1  0.940  0.378  0.678  1.0
  H  H7  1  0.060  0.622  0.322  1.0
  H  H8  1  0.409  0.128  0.751  1.0
  H  H9  1  0.591  0.872  0.249  1.0
  H  H10  1  0.500  0.500  0.500  1.0
  H  H11  1  0.000  0.500  0.500  1.0
  H  H12  1  0.743  0.466  0.114  1.0
  H  H13  1  0.257  0.534  0.886  1.0
  O  O14  1  0.644  0.357  0.030  1.0
  O  O15  1  0.356  0.643  0.970  1.0
  O  O16  1  0.878  0.148  0.965  1.0
  O  O17  1  0.122  0.852  0.035  1.0
  O  O18  1  0.812  0.387  0.789  1.0
  O  O19  1  0.188  0.613  0.211  1.0
  O  O20  1  0.534  0.077  0.786  1.0
  O  O21  1  0.466  0.923  0.214  1.0
  O  O22  1  0.748  0.769  0.259  1.0
  O  O23  1  0.252  0.231  0.741  1.0
  O  O24  1  0.586  0.501  0.386  1.0
  O  O25  1  0.414  0.499  0.614  1.0
  O  O26  1  0.955  0.589  0.399  1.0
  O  O27  1  0.045  0.411  0.601  1.0
  O  O28  1  0.185  0.190  0.412  1.0
  O  O29  1  0.815  0.810  0.588  1.0
[/CIF]
.