The crystal structure described by Na2Th(PO4)2 crystallizes in the monoclinic P2_1/c space group. There are four inequivalent Na sites. In the first Na site, Na(1) is bonded in a 8-coordinate geometry to one O(1), one O(11), one O(14), one O(9), two equivalent O(10), and two equivalent O(8) atoms. In the second Na site, Na(2) is bonded in a 9-coordinate geometry to one O(15), one O(2), one O(4), one O(6), one O(8), two equivalent O(7), and two equivalent O(9) atoms. In the third Na site, Na(3) is bonded in a 6-coordinate geometry to one O(12), one O(16), one O(3), one O(5), one O(6), and one O(7) atom. In the fourth Na site, Na(4) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(11), one O(12), one O(13), one O(15), one O(4), and one O(5) atom. There are two inequivalent Th sites. In the first Th site, Th(1) is bonded in a 8-coordinate geometry to one O(10), one O(14), one O(15), one O(2), one O(3), one O(7), one O(8), and one O(9) atom. In the second Th site, Th(2) is bonded in a 8-coordinate geometry to one O(1), one O(11), one O(12), one O(13), one O(16), one O(4), one O(5), and one O(6) atom. There are four inequivalent P sites. In the first P site, P(1) is bonded in a tetrahedral geometry to one O(12), one O(13), one O(15), and one O(6) atom. In the second P site, P(2) is bonded in a tetrahedral geometry to one O(1), one O(16), one O(3), and one O(5) atom. In the third P site, P(3) is bonded in a tetrahedral geometry to one O(10), one O(14), one O(4), and one O(9) atom. In the fourth P site, P(4) is bonded in a tetrahedral geometry to one O(11), one O(2), one O(7), and one O(8) atom. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Na(1), one Na(4), one Th(2), and one P(2) atom. In the second O site, O(2) is bonded in a 1-coordinate geometry to one Na(2), one Th(1), and one P(4) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Na(3), one Th(1), and one P(2) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Na(2), one Na(4), one Th(2), and one P(3) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Na(3), one Na(4), one Th(2), and one P(2) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Na(2), one Na(3), one Th(2), and one P(1) atom. In the seventh O site, O(7) is bonded in a 1-coordinate geometry to one Na(3), two equivalent Na(2), one Th(1), and one P(4) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one Na(2), two equivalent Na(1), one Th(1), and one P(4) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to one Na(1), two equivalent Na(2), one Th(1), and one P(3) atom. In the tenth O site, O(10) is bonded in a distorted single-bond geometry to one Na(4), two equivalent Na(1), one Th(1), and one P(3) atom. In the eleventh O site, O(11) is bonded in a distorted single-bond geometry to one Na(1), one Na(4), one Th(2), and one P(4) atom. In the twelfth O site, O(12) is bonded in a 4-coordinate geometry to one Na(3), one Na(4), one Th(2), and one P(1) atom. In the thirteenth O site, O(13) is bonded in a 3-coordinate geometry to one Na(4), one Th(2), and one P(1) atom. In the fourteenth O site, O(14) is bonded in a 1-coordinate geometry to one Na(1), one Th(1), and one P(3) atom. In the fifteenth O site, O(15) is bonded in a 1-coordinate geometry to one Na(2), one Na(4), one Th(1), and one P(1) atom. In the sixteenth O site, O(16) is bonded in a 3-coordinate geometry to one Na(3), one Th(2), and one P(2) atom. is represented by the CIF card [CIF]
data_Na2Th(PO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.114
_cell_length_b   9.264
_cell_length_c   11.570
_cell_angle_alpha   83.528
_cell_angle_beta   72.095
_cell_angle_gamma   68.491
_symmetry_Int_Tables_number   1
_cell_volume   675.042
_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
  Na  Na0  1  0.085  0.459  0.121  1.0
  Na  Na1  1  0.915  0.541  0.879  1.0
  Na  Na2  1  0.294  0.041  0.121  1.0
  Na  Na3  1  0.312  0.496  0.626  1.0
  Na  Na4  1  0.437  0.996  0.374  1.0
  Na  Na5  1  0.563  0.004  0.626  1.0
  Na  Na6  1  0.688  0.504  0.374  1.0
  Na  Na7  1  0.706  0.959  0.879  1.0
  O  O8  1  0.046  0.486  0.336  1.0
  O  O9  1  0.335  0.587  0.108  1.0
  O  O10  1  0.842  0.225  0.256  1.0
  O  O11  1  0.841  0.757  0.239  1.0
  O  O12  1  0.943  0.087  0.892  1.0
  O  O13  1  0.242  0.993  0.601  1.0
  O  O14  1  0.580  0.257  0.761  1.0
  O  O15  1  0.420  0.743  0.239  1.0
  O  O16  1  0.668  0.994  0.123  1.0
  O  O17  1  0.710  0.506  0.123  1.0
  O  O18  1  0.452  0.250  0.994  1.0
  O  O19  1  0.548  0.750  0.006  1.0
  O  O20  1  0.055  0.250  0.994  1.0
  O  O21  1  0.657  0.507  0.601  1.0
  O  O22  1  0.402  0.275  0.256  1.0
  O  O23  1  0.159  0.243  0.761  1.0
  O  O24  1  0.945  0.750  0.006  1.0
  O  O25  1  0.343  0.493  0.399  1.0
  O  O26  1  0.598  0.725  0.744  1.0
  O  O27  1  0.290  0.494  0.877  1.0
  O  O28  1  0.118  0.014  0.336  1.0
  O  O29  1  0.882  0.986  0.664  1.0
  O  O30  1  0.057  0.913  0.108  1.0
  O  O31  1  0.208  0.270  0.476  1.0
  O  O32  1  0.954  0.514  0.664  1.0
  O  O33  1  0.185  0.770  0.524  1.0
  O  O34  1  0.665  0.413  0.892  1.0
  O  O35  1  0.758  0.007  0.399  1.0
  O  O36  1  0.332  0.006  0.877  1.0
  O  O37  1  0.815  0.230  0.476  1.0
  O  O38  1  0.158  0.775  0.744  1.0
  O  O39  1  0.792  0.730  0.524  1.0
  P  P40  1  0.118  0.879  0.632  1.0
  P  P41  1  0.882  0.121  0.368  1.0
  P  P42  1  0.872  0.853  0.121  1.0
  P  P43  1  0.750  0.621  0.632  1.0
  P  P44  1  0.128  0.147  0.879  1.0
  P  P45  1  0.250  0.379  0.368  1.0
  P  P46  1  0.493  0.353  0.879  1.0
  P  P47  1  0.507  0.647  0.121  1.0
  Th  Th48  1  0.296  0.750  0.907  1.0
  Th  Th49  1  0.071  0.750  0.357  1.0
  Th  Th50  1  0.929  0.250  0.643  1.0
  Th  Th51  1  0.704  0.250  0.093  1.0
[/CIF]
.
The crystal structure described by Na2Th(PO4)2 crystallizes in the monoclinic P2_1/c space group. There are four inequivalent Na sites. In the first Na site, Na(1) is bonded in a 8-coordinate geometry to one O(1), one O(11), one O(14), one O(9), two equivalent O(10), and two equivalent O(8) atoms. In the second Na site, Na(2) is bonded in a 9-coordinate geometry to one O(15), one O(2), one O(4), one O(6), one O(8), two equivalent O(7), and two equivalent O(9) atoms. In the third Na site, Na(3) is bonded in a 6-coordinate geometry to one O(12), one O(16), one O(3), one O(5), one O(6), and one O(7) atom. In the fourth Na site, Na(4) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(11), one O(12), one O(13), one O(15), one O(4), and one O(5) atom. There are two inequivalent Th sites. In the first Th site, Th(1) is bonded in a 8-coordinate geometry to one O(10), one O(14), one O(15), one O(2), one O(3), one O(7), one O(8), and one O(9) atom. In the second Th site, Th(2) is bonded in a 8-coordinate geometry to one O(1), one O(11), one O(12), one O(13), one O(16), one O(4), one O(5), and one O(6) atom. There are four inequivalent P sites. In the first P site, P(1) is bonded in a tetrahedral geometry to one O(12), one O(13), one O(15), and one O(6) atom. In the second P site, P(2) is bonded in a tetrahedral geometry to one O(1), one O(16), one O(3), and one O(5) atom. In the third P site, P(3) is bonded in a tetrahedral geometry to one O(10), one O(14), one O(4), and one O(9) atom. In the fourth P site, P(4) is bonded in a tetrahedral geometry to one O(11), one O(2), one O(7), and one O(8) atom. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Na(1), one Na(4), one Th(2), and one P(2) atom. In the second O site, O(2) is bonded in a 1-coordinate geometry to one Na(2), one Th(1), and one P(4) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Na(3), one Th(1), and one P(2) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Na(2), one Na(4), one Th(2), and one P(3) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Na(3), one Na(4), one Th(2), and one P(2) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Na(2), one Na(3), one Th(2), and one P(1) atom. In the seventh O site, O(7) is bonded in a 1-coordinate geometry to one Na(3), two equivalent Na(2), one Th(1), and one P(4) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one Na(2), two equivalent Na(1), one Th(1), and one P(4) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to one Na(1), two equivalent Na(2), one Th(1), and one P(3) atom. In the tenth O site, O(10) is bonded in a distorted single-bond geometry to one Na(4), two equivalent Na(1), one Th(1), and one P(3) atom. In the eleventh O site, O(11) is bonded in a distorted single-bond geometry to one Na(1), one Na(4), one Th(2), and one P(4) atom. In the twelfth O site, O(12) is bonded in a 4-coordinate geometry to one Na(3), one Na(4), one Th(2), and one P(1) atom. In the thirteenth O site, O(13) is bonded in a 3-coordinate geometry to one Na(4), one Th(2), and one P(1) atom. In the fourteenth O site, O(14) is bonded in a 1-coordinate geometry to one Na(1), one Th(1), and one P(3) atom. In the fifteenth O site, O(15) is bonded in a 1-coordinate geometry to one Na(2), one Na(4), one Th(1), and one P(1) atom. In the sixteenth O site, O(16) is bonded in a 3-coordinate geometry to one Na(3), one Th(2), and one P(2) atom. is represented by the CIF card [CIF]
data_Na2Th(PO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.114
_cell_length_b   9.264
_cell_length_c   11.570
_cell_angle_alpha   83.528
_cell_angle_beta   72.095
_cell_angle_gamma   68.491
_symmetry_Int_Tables_number   1
_cell_volume   675.042
_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
  Na  Na0  1  0.085  0.459  0.121  1.0
  Na  Na1  1  0.915  0.541  0.879  1.0
  Na  Na2  1  0.294  0.041  0.121  1.0
  Na  Na3  1  0.312  0.496  0.626  1.0
  Na  Na4  1  0.437  0.996  0.374  1.0
  Na  Na5  1  0.563  0.004  0.626  1.0
  Na  Na6  1  0.688  0.504  0.374  1.0
  Na  Na7  1  0.706  0.959  0.879  1.0
  O  O8  1  0.046  0.486  0.336  1.0
  O  O9  1  0.335  0.587  0.108  1.0
  O  O10  1  0.842  0.225  0.256  1.0
  O  O11  1  0.841  0.757  0.239  1.0
  O  O12  1  0.943  0.087  0.892  1.0
  O  O13  1  0.242  0.993  0.601  1.0
  O  O14  1  0.580  0.257  0.761  1.0
  O  O15  1  0.420  0.743  0.239  1.0
  O  O16  1  0.668  0.994  0.123  1.0
  O  O17  1  0.710  0.506  0.123  1.0
  O  O18  1  0.452  0.250  0.994  1.0
  O  O19  1  0.548  0.750  0.006  1.0
  O  O20  1  0.055  0.250  0.994  1.0
  O  O21  1  0.657  0.507  0.601  1.0
  O  O22  1  0.402  0.275  0.256  1.0
  O  O23  1  0.159  0.243  0.761  1.0
  O  O24  1  0.945  0.750  0.006  1.0
  O  O25  1  0.343  0.493  0.399  1.0
  O  O26  1  0.598  0.725  0.744  1.0
  O  O27  1  0.290  0.494  0.877  1.0
  O  O28  1  0.118  0.014  0.336  1.0
  O  O29  1  0.882  0.986  0.664  1.0
  O  O30  1  0.057  0.913  0.108  1.0
  O  O31  1  0.208  0.270  0.476  1.0
  O  O32  1  0.954  0.514  0.664  1.0
  O  O33  1  0.185  0.770  0.524  1.0
  O  O34  1  0.665  0.413  0.892  1.0
  O  O35  1  0.758  0.007  0.399  1.0
  O  O36  1  0.332  0.006  0.877  1.0
  O  O37  1  0.815  0.230  0.476  1.0
  O  O38  1  0.158  0.775  0.744  1.0
  O  O39  1  0.792  0.730  0.524  1.0
  P  P40  1  0.118  0.879  0.632  1.0
  P  P41  1  0.882  0.121  0.368  1.0
  P  P42  1  0.872  0.853  0.121  1.0
  P  P43  1  0.750  0.621  0.632  1.0
  P  P44  1  0.128  0.147  0.879  1.0
  P  P45  1  0.250  0.379  0.368  1.0
  P  P46  1  0.493  0.353  0.879  1.0
  P  P47  1  0.507  0.647  0.121  1.0
  Th  Th48  1  0.296  0.750  0.907  1.0
  Th  Th49  1  0.071  0.750  0.357  1.0
  Th  Th50  1  0.929  0.250  0.643  1.0
  Th  Th51  1  0.704  0.250  0.093  1.0
[/CIF]
.