The crystal structure described by Na2ZrCPO10 crystallizes in the monoclinic C2/m space group. Na(1) is bonded in a 6-coordinate geometry to one O(3), one O(4), one O(5), one O(6), one O(8), and one O(9) atom. Zr(1) is bonded to one O(2), one O(5), one O(6), two equivalent O(1), and two equivalent O(7) atoms to form ZrO7 pentagonal bipyramids that share corners with three equivalent P(1)O4 tetrahedra and  an edgeedge with one Zr(1)O7 pentagonal bipyramid. C(1) is bonded in a trigonal planar geometry to one O(4), one O(5), and one O(6) atom. P(1) is bonded to one O(2), one O(3), and two equivalent O(1) atoms to form PO4 tetrahedra that share corners with three equivalent Zr(1)O7 pentagonal bipyramids. There are nine inequivalent O sites. In the first O site, O(6) is bonded in a distorted tetrahedral geometry to two equivalent Na(1), one Zr(1), and one C(1) atom. In the second O site, O(7) is bonded in a 3-coordinate geometry to two equivalent Zr(1) and one O(7) atom. In the third O site, O(8) is bonded in an L-shaped geometry to two equivalent Na(1) atoms. In the fourth O site, O(9) is bonded in a 3-coordinate geometry to two equivalent Na(1) and one O(9) atom. In the fifth O site, O(1) is bonded in a bent 150 degrees geometry to one Zr(1) and one P(1) atom. In the sixth O site, O(2) is bonded in a bent 150 degrees geometry to one Zr(1) and one P(1) atom. In the seventh O site, O(3) is bonded in a 3-coordinate geometry to two equivalent Na(1) and one P(1) atom. In the eighth O site, O(4) is bonded in a 3-coordinate geometry to two equivalent Na(1) and one C(1) atom. In the ninth O site, O(5) is bonded in a 4-coordinate geometry to two equivalent Na(1), one Zr(1), and one C(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Na2ZrPCO10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.136
_cell_length_b   7.136
_cell_length_c   11.558
_cell_angle_alpha   64.683
_cell_angle_beta   64.683
_cell_angle_gamma   55.957
_symmetry_Int_Tables_number   1
_cell_volume   426.735
_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
  Na  Na0  1  0.279  0.781  0.679  1.0
  Na  Na1  1  0.219  0.721  0.321  1.0
  Na  Na2  1  0.721  0.219  0.321  1.0
  Na  Na3  1  0.781  0.279  0.679  1.0
  Zr  Zr4  1  0.177  0.177  0.867  1.0
  Zr  Zr5  1  0.823  0.823  0.133  1.0
  P  P6  1  0.751  0.751  0.872  1.0
  P  P7  1  0.249  0.249  0.128  1.0
  C  C8  1  0.295  0.295  0.602  1.0
  C  C9  1  0.705  0.705  0.398  1.0
  O  O10  1  0.874  0.499  0.858  1.0
  O  O11  1  0.501  0.126  0.142  1.0
  O  O12  1  0.126  0.501  0.142  1.0
  O  O13  1  0.499  0.874  0.858  1.0
  O  O14  1  0.267  0.267  0.982  1.0
  O  O15  1  0.733  0.733  0.018  1.0
  O  O16  1  0.886  0.886  0.775  1.0
  O  O17  1  0.114  0.114  0.225  1.0
  O  O18  1  0.651  0.651  0.522  1.0
  O  O19  1  0.349  0.349  0.478  1.0
  O  O20  1  0.351  0.351  0.674  1.0
  O  O21  1  0.649  0.649  0.326  1.0
  O  O22  1  0.175  0.175  0.675  1.0
  O  O23  1  0.825  0.825  0.325  1.0
  O  O24  1  0.013  0.013  0.058  1.0
  O  O25  1  0.987  0.987  0.942  1.0
  O  O26  1  0.462  0.462  0.835  1.0
  O  O27  1  0.538  0.538  0.165  1.0
  O  O28  1  0.054  0.054  0.486  1.0
  O  O29  1  0.946  0.946  0.514  1.0
[/CIF]
.
The crystal structure described by Na2ZrCPO10 crystallizes in the monoclinic C2/m space group. Na(1) is bonded in a 6-coordinate geometry to one O(3), one O(4), one O(5), one O(6), one O(8), and one O(9) atom. Zr(1) is bonded to one O(2), one O(5), one O(6), two equivalent O(1), and two equivalent O(7) atoms to form ZrO7 pentagonal bipyramids that share corners with three equivalent P(1)O4 tetrahedra and  an edgeedge with one Zr(1)O7 pentagonal bipyramid. C(1) is bonded in a trigonal planar geometry to one O(4), one O(5), and one O(6) atom. P(1) is bonded to one O(2), one O(3), and two equivalent O(1) atoms to form PO4 tetrahedra that share corners with three equivalent Zr(1)O7 pentagonal bipyramids. There are nine inequivalent O sites. In the first O site, O(6) is bonded in a distorted tetrahedral geometry to two equivalent Na(1), one Zr(1), and one C(1) atom. In the second O site, O(7) is bonded in a 3-coordinate geometry to two equivalent Zr(1) and one O(7) atom. In the third O site, O(8) is bonded in an L-shaped geometry to two equivalent Na(1) atoms. In the fourth O site, O(9) is bonded in a 3-coordinate geometry to two equivalent Na(1) and one O(9) atom. In the fifth O site, O(1) is bonded in a bent 150 degrees geometry to one Zr(1) and one P(1) atom. In the sixth O site, O(2) is bonded in a bent 150 degrees geometry to one Zr(1) and one P(1) atom. In the seventh O site, O(3) is bonded in a 3-coordinate geometry to two equivalent Na(1) and one P(1) atom. In the eighth O site, O(4) is bonded in a 3-coordinate geometry to two equivalent Na(1) and one C(1) atom. In the ninth O site, O(5) is bonded in a 4-coordinate geometry to two equivalent Na(1), one Zr(1), and one C(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Na2ZrPCO10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.136
_cell_length_b   7.136
_cell_length_c   11.558
_cell_angle_alpha   64.683
_cell_angle_beta   64.683
_cell_angle_gamma   55.957
_symmetry_Int_Tables_number   1
_cell_volume   426.735
_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
  Na  Na0  1  0.279  0.781  0.679  1.0
  Na  Na1  1  0.219  0.721  0.321  1.0
  Na  Na2  1  0.721  0.219  0.321  1.0
  Na  Na3  1  0.781  0.279  0.679  1.0
  Zr  Zr4  1  0.177  0.177  0.867  1.0
  Zr  Zr5  1  0.823  0.823  0.133  1.0
  P  P6  1  0.751  0.751  0.872  1.0
  P  P7  1  0.249  0.249  0.128  1.0
  C  C8  1  0.295  0.295  0.602  1.0
  C  C9  1  0.705  0.705  0.398  1.0
  O  O10  1  0.874  0.499  0.858  1.0
  O  O11  1  0.501  0.126  0.142  1.0
  O  O12  1  0.126  0.501  0.142  1.0
  O  O13  1  0.499  0.874  0.858  1.0
  O  O14  1  0.267  0.267  0.982  1.0
  O  O15  1  0.733  0.733  0.018  1.0
  O  O16  1  0.886  0.886  0.775  1.0
  O  O17  1  0.114  0.114  0.225  1.0
  O  O18  1  0.651  0.651  0.522  1.0
  O  O19  1  0.349  0.349  0.478  1.0
  O  O20  1  0.351  0.351  0.674  1.0
  O  O21  1  0.649  0.649  0.326  1.0
  O  O22  1  0.175  0.175  0.675  1.0
  O  O23  1  0.825  0.825  0.325  1.0
  O  O24  1  0.013  0.013  0.058  1.0
  O  O25  1  0.987  0.987  0.942  1.0
  O  O26  1  0.462  0.462  0.835  1.0
  O  O27  1  0.538  0.538  0.165  1.0
  O  O28  1  0.054  0.054  0.486  1.0
  O  O29  1  0.946  0.946  0.514  1.0
[/CIF]
.