The crystal structure described by KNdP4O12 crystallizes in the monoclinic P2_1 space group. K(1) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(11), one O(12), one O(2), one O(3), one O(6), and one O(7) atom. Nd(1) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(11), one O(12), one O(2), one O(3), one O(6), and one O(7) atom. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(10), one O(5), one O(6), and one O(9) atom to form corner-sharing PO4 tetrahedra. In the second P site, P(2) is bonded to one O(1), one O(3), one O(4), and one O(5) atom to form corner-sharing PO4 tetrahedra. In the third P site, P(3) is bonded to one O(11), one O(12), one O(4), and one O(8) atom to form corner-sharing PO4 tetrahedra. In the fourth P site, P(4) is bonded to one O(2), one O(7), one O(8), and one O(9) atom to form corner-sharing PO4 tetrahedra. There are twelve inequivalent O sites. In the first O site, O(11) is bonded in a distorted single-bond geometry to one K(1), one Nd(1), and one P(3) atom. In the second O site, O(12) is bonded in a 1-coordinate geometry to one K(1), one Nd(1), and one P(3) atom. In the third O site, O(1) is bonded in a distorted single-bond geometry to one K(1), one Nd(1), and one P(2) atom. In the fourth O site, O(2) is bonded in a 1-coordinate geometry to one K(1), one Nd(1), and one P(4) atom. In the fifth O site, O(3) is bonded in a distorted single-bond geometry to one K(1), one Nd(1), and one P(2) atom. In the sixth O site, O(4) is bonded in a bent 120 degrees geometry to one P(2) and one P(3) atom. In the seventh O site, O(5) is bonded in a bent 120 degrees geometry to one P(1) and one P(2) atom. In the eighth O site, O(6) is bonded in a 1-coordinate geometry to one K(1), one Nd(1), and one P(1) atom. In the ninth O site, O(7) is bonded in a distorted single-bond geometry to one K(1), one Nd(1), and one P(4) atom. In the tenth O site, O(8) is bonded in a bent 150 degrees geometry to one P(3) and one P(4) atom. In the eleventh O site, O(9) is bonded in a bent 150 degrees geometry to one P(1) and one P(4) atom. In the twelfth O site, O(10) is bonded in a distorted single-bond geometry to one K(1), one Nd(1), and one P(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_KNd(PO3)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.451
_cell_length_b   7.282
_cell_length_c   8.006
_cell_angle_alpha   88.061
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   492.378
_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
  K  K0  1  0.435  0.269  0.280  1.0
  K  K1  1  0.935  0.731  0.720  1.0
  Nd  Nd2  1  0.251  0.765  0.243  1.0
  Nd  Nd3  1  0.751  0.235  0.757  1.0
  P  P4  1  0.398  0.001  0.620  1.0
  P  P5  1  0.898  0.999  0.380  1.0
  P  P6  1  0.004  0.379  0.397  1.0
  P  P7  1  0.504  0.621  0.603  1.0
  P  P8  1  0.874  0.566  0.098  1.0
  P  P9  1  0.374  0.434  0.902  1.0
  P  P10  1  0.671  0.898  0.103  1.0
  P  P11  1  0.171  0.102  0.897  1.0
  O  O12  1  0.446  0.610  0.429  1.0
  O  O13  1  0.946  0.390  0.571  1.0
  O  O14  1  0.201  0.038  0.072  1.0
  O  O15  1  0.701  0.962  0.928  1.0
  O  O16  1  0.158  0.463  0.350  1.0
  O  O17  1  0.658  0.537  0.650  1.0
  O  O18  1  0.368  0.542  0.725  1.0
  O  O19  1  0.868  0.458  0.275  1.0
  O  O20  1  0.511  0.830  0.655  1.0
  O  O21  1  0.011  0.170  0.345  1.0
  O  O22  1  0.297  0.970  0.472  1.0
  O  O23  1  0.797  0.030  0.528  1.0
  O  O24  1  0.011  0.084  0.824  1.0
  O  O25  1  0.511  0.916  0.176  1.0
  O  O26  1  0.719  0.687  0.125  1.0
  O  O27  1  0.219  0.313  0.875  1.0
  O  O28  1  0.794  0.008  0.214  1.0
  O  O29  1  0.294  0.992  0.786  1.0
  O  O30  1  0.998  0.830  0.387  1.0
  O  O31  1  0.498  0.170  0.613  1.0
  O  O32  1  0.016  0.684  0.074  1.0
  O  O33  1  0.516  0.316  0.926  1.0
  O  O34  1  0.843  0.435  0.964  1.0
  O  O35  1  0.343  0.565  0.036  1.0
[/CIF]
.
The crystal structure described by KNdP4O12 crystallizes in the monoclinic P2_1 space group. K(1) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(11), one O(12), one O(2), one O(3), one O(6), and one O(7) atom. Nd(1) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(11), one O(12), one O(2), one O(3), one O(6), and one O(7) atom. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(10), one O(5), one O(6), and one O(9) atom to form corner-sharing PO4 tetrahedra. In the second P site, P(2) is bonded to one O(1), one O(3), one O(4), and one O(5) atom to form corner-sharing PO4 tetrahedra. In the third P site, P(3) is bonded to one O(11), one O(12), one O(4), and one O(8) atom to form corner-sharing PO4 tetrahedra. In the fourth P site, P(4) is bonded to one O(2), one O(7), one O(8), and one O(9) atom to form corner-sharing PO4 tetrahedra. There are twelve inequivalent O sites. In the first O site, O(11) is bonded in a distorted single-bond geometry to one K(1), one Nd(1), and one P(3) atom. In the second O site, O(12) is bonded in a 1-coordinate geometry to one K(1), one Nd(1), and one P(3) atom. In the third O site, O(1) is bonded in a distorted single-bond geometry to one K(1), one Nd(1), and one P(2) atom. In the fourth O site, O(2) is bonded in a 1-coordinate geometry to one K(1), one Nd(1), and one P(4) atom. In the fifth O site, O(3) is bonded in a distorted single-bond geometry to one K(1), one Nd(1), and one P(2) atom. In the sixth O site, O(4) is bonded in a bent 120 degrees geometry to one P(2) and one P(3) atom. In the seventh O site, O(5) is bonded in a bent 120 degrees geometry to one P(1) and one P(2) atom. In the eighth O site, O(6) is bonded in a 1-coordinate geometry to one K(1), one Nd(1), and one P(1) atom. In the ninth O site, O(7) is bonded in a distorted single-bond geometry to one K(1), one Nd(1), and one P(4) atom. In the tenth O site, O(8) is bonded in a bent 150 degrees geometry to one P(3) and one P(4) atom. In the eleventh O site, O(9) is bonded in a bent 150 degrees geometry to one P(1) and one P(4) atom. In the twelfth O site, O(10) is bonded in a distorted single-bond geometry to one K(1), one Nd(1), and one P(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_KNd(PO3)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.451
_cell_length_b   7.282
_cell_length_c   8.006
_cell_angle_alpha   88.061
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   492.378
_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
  K  K0  1  0.435  0.269  0.280  1.0
  K  K1  1  0.935  0.731  0.720  1.0
  Nd  Nd2  1  0.251  0.765  0.243  1.0
  Nd  Nd3  1  0.751  0.235  0.757  1.0
  P  P4  1  0.398  0.001  0.620  1.0
  P  P5  1  0.898  0.999  0.380  1.0
  P  P6  1  0.004  0.379  0.397  1.0
  P  P7  1  0.504  0.621  0.603  1.0
  P  P8  1  0.874  0.566  0.098  1.0
  P  P9  1  0.374  0.434  0.902  1.0
  P  P10  1  0.671  0.898  0.103  1.0
  P  P11  1  0.171  0.102  0.897  1.0
  O  O12  1  0.446  0.610  0.429  1.0
  O  O13  1  0.946  0.390  0.571  1.0
  O  O14  1  0.201  0.038  0.072  1.0
  O  O15  1  0.701  0.962  0.928  1.0
  O  O16  1  0.158  0.463  0.350  1.0
  O  O17  1  0.658  0.537  0.650  1.0
  O  O18  1  0.368  0.542  0.725  1.0
  O  O19  1  0.868  0.458  0.275  1.0
  O  O20  1  0.511  0.830  0.655  1.0
  O  O21  1  0.011  0.170  0.345  1.0
  O  O22  1  0.297  0.970  0.472  1.0
  O  O23  1  0.797  0.030  0.528  1.0
  O  O24  1  0.011  0.084  0.824  1.0
  O  O25  1  0.511  0.916  0.176  1.0
  O  O26  1  0.719  0.687  0.125  1.0
  O  O27  1  0.219  0.313  0.875  1.0
  O  O28  1  0.794  0.008  0.214  1.0
  O  O29  1  0.294  0.992  0.786  1.0
  O  O30  1  0.998  0.830  0.387  1.0
  O  O31  1  0.498  0.170  0.613  1.0
  O  O32  1  0.016  0.684  0.074  1.0
  O  O33  1  0.516  0.316  0.926  1.0
  O  O34  1  0.843  0.435  0.964  1.0
  O  O35  1  0.343  0.565  0.036  1.0
[/CIF]
.