The compound described by NaNbO3 is Orthorhombic Perovskite-like structured and crystallizes in the orthorhombic Pca2_1 space group. There are two inequivalent Na sites. In the first Na site, Na(1) is bonded in a 8-coordinate geometry to one O(4), one O(6), two equivalent O(2), two equivalent O(3), and two equivalent O(5) atoms. In the second Na site, Na(2) is bonded in a 6-coordinate geometry to one O(4), one O(5), two equivalent O(1), and two equivalent O(6) atoms. There are two inequivalent Nb sites. In the first Nb site, Nb(1) is bonded to one O(1), one O(3), two equivalent O(2), and two equivalent O(4) atoms to form corner-sharing NbO6 octahedra. The corner-sharing octahedral tilt angles range from 25-29°. In the second Nb site, Nb(2) is bonded to one O(1), one O(3), two equivalent O(5), and two equivalent O(6) atoms to form corner-sharing NbO6 octahedra. The corner-sharing octahedral tilt angles range from 18-33°. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to two equivalent Na(2), one Nb(1), and one Nb(2) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to two equivalent Na(1) and two equivalent Nb(1) atoms. In the third O site, O(3) is bonded to two equivalent Na(1), one Nb(1), and one Nb(2) atom to form distorted corner-sharing ONa2Nb2 tetrahedra. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Na(1), one Na(2), and two equivalent Nb(1) atoms. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one Na(2), two equivalent Na(1), and two equivalent Nb(2) atoms. In the sixth O site, O(6) is bonded in a 5-coordinate geometry to one Na(1), two equivalent Na(2), and two equivalent Nb(2) atoms. is represented by the CIF card [CIF]
data_NaNbO3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.502
_cell_length_b   5.592
_cell_length_c   15.684
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   482.530
_cell_formula_units_Z   8
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
  Na  Na0  1  0.240  0.791  0.876  1.0
  Na  Na1  1  0.240  0.709  0.376  1.0
  Na  Na2  1  0.754  0.224  0.629  1.0
  Na  Na3  1  0.246  0.776  0.129  1.0
  Na  Na4  1  0.754  0.276  0.129  1.0
  Na  Na5  1  0.760  0.209  0.376  1.0
  Na  Na6  1  0.760  0.291  0.876  1.0
  Na  Na7  1  0.246  0.724  0.629  1.0
  Nb  Nb8  1  0.252  0.269  0.001  1.0
  Nb  Nb9  1  0.258  0.238  0.252  1.0
  Nb  Nb10  1  0.748  0.769  0.001  1.0
  Nb  Nb11  1  0.258  0.262  0.752  1.0
  Nb  Nb12  1  0.742  0.738  0.252  1.0
  Nb  Nb13  1  0.252  0.231  0.501  1.0
  Nb  Nb14  1  0.748  0.731  0.501  1.0
  Nb  Nb15  1  0.742  0.762  0.752  1.0
  O  O16  1  0.175  0.252  0.620  1.0
  O  O17  1  0.961  0.028  0.974  1.0
  O  O18  1  0.672  0.779  0.370  1.0
  O  O19  1  0.039  0.972  0.474  1.0
  O  O20  1  0.546  0.447  0.013  1.0
  O  O21  1  0.039  0.528  0.974  1.0
  O  O22  1  0.175  0.248  0.120  1.0
  O  O23  1  0.328  0.279  0.370  1.0
  O  O24  1  0.546  0.053  0.513  1.0
  O  O25  1  0.825  0.752  0.620  1.0
  O  O26  1  0.041  0.530  0.765  1.0
  O  O27  1  0.540  0.046  0.225  1.0
  O  O28  1  0.961  0.472  0.474  1.0
  O  O29  1  0.959  0.030  0.765  1.0
  O  O30  1  0.672  0.721  0.870  1.0
  O  O31  1  0.454  0.553  0.513  1.0
  O  O32  1  0.454  0.947  0.013  1.0
  O  O33  1  0.540  0.454  0.725  1.0
  O  O34  1  0.328  0.221  0.870  1.0
  O  O35  1  0.041  0.970  0.265  1.0
  O  O36  1  0.460  0.546  0.225  1.0
  O  O37  1  0.460  0.954  0.725  1.0
  O  O38  1  0.959  0.470  0.265  1.0
  O  O39  1  0.825  0.748  0.120  1.0
[/CIF]
.
The compound described by NaNbO3 is Orthorhombic Perovskite-like structured and crystallizes in the orthorhombic Pca2_1 space group. There are two inequivalent Na sites. In the first Na site, Na(1) is bonded in a 8-coordinate geometry to one O(4), one O(6), two equivalent O(2), two equivalent O(3), and two equivalent O(5) atoms. In the second Na site, Na(2) is bonded in a 6-coordinate geometry to one O(4), one O(5), two equivalent O(1), and two equivalent O(6) atoms. There are two inequivalent Nb sites. In the first Nb site, Nb(1) is bonded to one O(1), one O(3), two equivalent O(2), and two equivalent O(4) atoms to form corner-sharing NbO6 octahedra. The corner-sharing octahedral tilt angles range from 25-29°. In the second Nb site, Nb(2) is bonded to one O(1), one O(3), two equivalent O(5), and two equivalent O(6) atoms to form corner-sharing NbO6 octahedra. The corner-sharing octahedral tilt angles range from 18-33°. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to two equivalent Na(2), one Nb(1), and one Nb(2) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to two equivalent Na(1) and two equivalent Nb(1) atoms. In the third O site, O(3) is bonded to two equivalent Na(1), one Nb(1), and one Nb(2) atom to form distorted corner-sharing ONa2Nb2 tetrahedra. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Na(1), one Na(2), and two equivalent Nb(1) atoms. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one Na(2), two equivalent Na(1), and two equivalent Nb(2) atoms. In the sixth O site, O(6) is bonded in a 5-coordinate geometry to one Na(1), two equivalent Na(2), and two equivalent Nb(2) atoms. is represented by the CIF card [CIF]
data_NaNbO3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.502
_cell_length_b   5.592
_cell_length_c   15.684
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   482.530
_cell_formula_units_Z   8
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
  Na  Na0  1  0.240  0.791  0.876  1.0
  Na  Na1  1  0.240  0.709  0.376  1.0
  Na  Na2  1  0.754  0.224  0.629  1.0
  Na  Na3  1  0.246  0.776  0.129  1.0
  Na  Na4  1  0.754  0.276  0.129  1.0
  Na  Na5  1  0.760  0.209  0.376  1.0
  Na  Na6  1  0.760  0.291  0.876  1.0
  Na  Na7  1  0.246  0.724  0.629  1.0
  Nb  Nb8  1  0.252  0.269  0.001  1.0
  Nb  Nb9  1  0.258  0.238  0.252  1.0
  Nb  Nb10  1  0.748  0.769  0.001  1.0
  Nb  Nb11  1  0.258  0.262  0.752  1.0
  Nb  Nb12  1  0.742  0.738  0.252  1.0
  Nb  Nb13  1  0.252  0.231  0.501  1.0
  Nb  Nb14  1  0.748  0.731  0.501  1.0
  Nb  Nb15  1  0.742  0.762  0.752  1.0
  O  O16  1  0.175  0.252  0.620  1.0
  O  O17  1  0.961  0.028  0.974  1.0
  O  O18  1  0.672  0.779  0.370  1.0
  O  O19  1  0.039  0.972  0.474  1.0
  O  O20  1  0.546  0.447  0.013  1.0
  O  O21  1  0.039  0.528  0.974  1.0
  O  O22  1  0.175  0.248  0.120  1.0
  O  O23  1  0.328  0.279  0.370  1.0
  O  O24  1  0.546  0.053  0.513  1.0
  O  O25  1  0.825  0.752  0.620  1.0
  O  O26  1  0.041  0.530  0.765  1.0
  O  O27  1  0.540  0.046  0.225  1.0
  O  O28  1  0.961  0.472  0.474  1.0
  O  O29  1  0.959  0.030  0.765  1.0
  O  O30  1  0.672  0.721  0.870  1.0
  O  O31  1  0.454  0.553  0.513  1.0
  O  O32  1  0.454  0.947  0.013  1.0
  O  O33  1  0.540  0.454  0.725  1.0
  O  O34  1  0.328  0.221  0.870  1.0
  O  O35  1  0.041  0.970  0.265  1.0
  O  O36  1  0.460  0.546  0.225  1.0
  O  O37  1  0.460  0.954  0.725  1.0
  O  O38  1  0.959  0.470  0.265  1.0
  O  O39  1  0.825  0.748  0.120  1.0
[/CIF]
.