The structure described by KPbO2 crystallizes in the triclinic P-1 space group. There are two inequivalent K sites. In the first K site, K(1) is bonded in a 2-coordinate geometry to one O(2), one O(3), and one O(4) atom. In the second K site, K(2) is bonded in a 2-coordinate geometry to one O(1), one O(2), and one O(3) atom. There are two inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a 1-coordinate geometry to one O(2), one O(3), and one O(4) atom. In the second Pb site, Pb(2) is bonded in a 2-coordinate geometry to one O(1), one O(2), and two equivalent O(3) atoms. There are four inequivalent O sites. In the first O site, O(1) is bonded in a 2-coordinate geometry to one K(2) and one Pb(2) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one K(1), one K(2), one Pb(1), and one Pb(2) atom. In the third O site, O(3) is bonded in a 5-coordinate geometry to one K(1), one K(2), one Pb(1), and two equivalent Pb(2) atoms. In the fourth O site, O(4) is bonded in a 2-coordinate geometry to one K(1) and one Pb(1) atom. is represented by the CIF file [CIF]
data_KPbO2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.588
_cell_length_b   7.123
_cell_length_c   7.623
_cell_angle_alpha   117.539
_cell_angle_beta   93.670
_cell_angle_gamma   104.883
_symmetry_Int_Tables_number   1
_cell_volume   299.494
_cell_formula_units_Z   4
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
  K  K0  1  0.470  0.253  0.995  1.0
  K  K1  1  0.016  0.000  0.743  1.0
  K  K2  1  0.530  0.747  0.005  1.0
  K  K3  1  0.984  1.000  0.257  1.0
  Pb  Pb4  1  0.932  0.488  0.740  1.0
  Pb  Pb5  1  0.068  0.512  0.260  1.0
  Pb  Pb6  1  0.508  0.239  0.501  1.0
  Pb  Pb7  1  0.492  0.761  0.499  1.0
  O  O8  1  0.687  0.089  0.401  1.0
  O  O9  1  0.313  0.911  0.599  1.0
  O  O10  1  0.277  0.831  0.198  1.0
  O  O11  1  0.723  0.169  0.802  1.0
  O  O12  1  0.287  0.408  0.569  1.0
  O  O13  1  0.713  0.592  0.431  1.0
  O  O14  1  0.710  0.638  0.794  1.0
  O  O15  1  0.290  0.362  0.206  1.0
[/CIF]
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The structure described by KPbO2 crystallizes in the triclinic P-1 space group. There are two inequivalent K sites. In the first K site, K(1) is bonded in a 2-coordinate geometry to one O(2), one O(3), and one O(4) atom. In the second K site, K(2) is bonded in a 2-coordinate geometry to one O(1), one O(2), and one O(3) atom. There are two inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a 1-coordinate geometry to one O(2), one O(3), and one O(4) atom. In the second Pb site, Pb(2) is bonded in a 2-coordinate geometry to one O(1), one O(2), and two equivalent O(3) atoms. There are four inequivalent O sites. In the first O site, O(1) is bonded in a 2-coordinate geometry to one K(2) and one Pb(2) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one K(1), one K(2), one Pb(1), and one Pb(2) atom. In the third O site, O(3) is bonded in a 5-coordinate geometry to one K(1), one K(2), one Pb(1), and two equivalent Pb(2) atoms. In the fourth O site, O(4) is bonded in a 2-coordinate geometry to one K(1) and one Pb(1) atom. is represented by the CIF file [CIF]
data_KPbO2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.588
_cell_length_b   7.123
_cell_length_c   7.623
_cell_angle_alpha   117.539
_cell_angle_beta   93.670
_cell_angle_gamma   104.883
_symmetry_Int_Tables_number   1
_cell_volume   299.494
_cell_formula_units_Z   4
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
  K  K0  1  0.470  0.253  0.995  1.0
  K  K1  1  0.016  0.000  0.743  1.0
  K  K2  1  0.530  0.747  0.005  1.0
  K  K3  1  0.984  1.000  0.257  1.0
  Pb  Pb4  1  0.932  0.488  0.740  1.0
  Pb  Pb5  1  0.068  0.512  0.260  1.0
  Pb  Pb6  1  0.508  0.239  0.501  1.0
  Pb  Pb7  1  0.492  0.761  0.499  1.0
  O  O8  1  0.687  0.089  0.401  1.0
  O  O9  1  0.313  0.911  0.599  1.0
  O  O10  1  0.277  0.831  0.198  1.0
  O  O11  1  0.723  0.169  0.802  1.0
  O  O12  1  0.287  0.408  0.569  1.0
  O  O13  1  0.713  0.592  0.431  1.0
  O  O14  1  0.710  0.638  0.794  1.0
  O  O15  1  0.290  0.362  0.206  1.0
[/CIF]
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