The crystal structure described by Sr5(PO4)3Cl crystallizes in the hexagonal P6_3/m space group. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 9-coordinate geometry to three equivalent O(1), three equivalent O(2), and three equivalent O(3) atoms. In the second Sr site, Sr(2) is bonded in a 8-coordinate geometry to one O(1), one O(2), four equivalent O(3), and two equivalent Cl(1) atoms. P(1) is bonded in a tetrahedral geometry to one O(1), one O(2), and two equivalent O(3) atoms. There are three inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Sr(2), two equivalent Sr(1), and one P(1) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Sr(2), two equivalent Sr(1), and one P(1) atom. In the third O site, O(3) is bonded in a 1-coordinate geometry to one Sr(1), two equivalent Sr(2), and one P(1) atom. Cl(1) is bonded to six equivalent Sr(2) atoms to form face-sharing ClSr6 octahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Sr5P3ClO12
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.072
_cell_length_b   10.072
_cell_length_c   7.221
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   634.383
_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
  Sr  Sr0  1  0.667  0.333  0.502  1.0
  Sr  Sr1  1  0.667  0.333  0.998  1.0
  Sr  Sr2  1  0.999  0.254  0.250  1.0
  Sr  Sr3  1  0.746  0.999  0.750  1.0
  Sr  Sr4  1  0.254  0.254  0.750  1.0
  Sr  Sr5  1  0.746  0.746  0.250  1.0
  Sr  Sr6  1  0.254  0.001  0.250  1.0
  Sr  Sr7  1  0.001  0.746  0.750  1.0
  Sr  Sr8  1  0.333  0.667  0.002  1.0
  Sr  Sr9  1  0.333  0.667  0.498  1.0
  P  P10  1  0.408  0.374  0.250  1.0
  P  P11  1  0.034  0.408  0.750  1.0
  P  P12  1  0.374  0.966  0.750  1.0
  P  P13  1  0.592  0.626  0.750  1.0
  P  P14  1  0.626  0.034  0.250  1.0
  P  P15  1  0.966  0.592  0.250  1.0
  Cl  Cl16  1  0.000  0.000  0.500  1.0
  Cl  Cl17  1  0.000  0.000  0.000  1.0
  O  O18  1  0.343  0.486  0.250  1.0
  O  O19  1  0.858  0.343  0.750  1.0
  O  O20  1  0.486  0.142  0.750  1.0
  O  O21  1  0.514  0.858  0.250  1.0
  O  O22  1  0.142  0.657  0.250  1.0
  O  O23  1  0.657  0.514  0.750  1.0
  O  O24  1  0.588  0.465  0.250  1.0
  O  O25  1  0.123  0.588  0.750  1.0
  O  O26  1  0.465  0.877  0.750  1.0
  O  O27  1  0.535  0.123  0.250  1.0
  O  O28  1  0.877  0.412  0.250  1.0
  O  O29  1  0.412  0.535  0.750  1.0
  O  O30  1  0.356  0.269  0.076  1.0
  O  O31  1  0.086  0.356  0.576  1.0
  O  O32  1  0.269  0.914  0.576  1.0
  O  O33  1  0.731  0.086  0.076  1.0
  O  O34  1  0.914  0.644  0.076  1.0
  O  O35  1  0.644  0.731  0.576  1.0
  O  O36  1  0.644  0.731  0.924  1.0
  O  O37  1  0.914  0.644  0.424  1.0
  O  O38  1  0.731  0.086  0.424  1.0
  O  O39  1  0.269  0.914  0.924  1.0
  O  O40  1  0.086  0.356  0.924  1.0
  O  O41  1  0.356  0.269  0.424  1.0
[/CIF]
.
The crystal structure described by Sr5(PO4)3Cl crystallizes in the hexagonal P6_3/m space group. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 9-coordinate geometry to three equivalent O(1), three equivalent O(2), and three equivalent O(3) atoms. In the second Sr site, Sr(2) is bonded in a 8-coordinate geometry to one O(1), one O(2), four equivalent O(3), and two equivalent Cl(1) atoms. P(1) is bonded in a tetrahedral geometry to one O(1), one O(2), and two equivalent O(3) atoms. There are three inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Sr(2), two equivalent Sr(1), and one P(1) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Sr(2), two equivalent Sr(1), and one P(1) atom. In the third O site, O(3) is bonded in a 1-coordinate geometry to one Sr(1), two equivalent Sr(2), and one P(1) atom. Cl(1) is bonded to six equivalent Sr(2) atoms to form face-sharing ClSr6 octahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Sr5P3ClO12
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.072
_cell_length_b   10.072
_cell_length_c   7.221
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   634.383
_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
  Sr  Sr0  1  0.667  0.333  0.502  1.0
  Sr  Sr1  1  0.667  0.333  0.998  1.0
  Sr  Sr2  1  0.999  0.254  0.250  1.0
  Sr  Sr3  1  0.746  0.999  0.750  1.0
  Sr  Sr4  1  0.254  0.254  0.750  1.0
  Sr  Sr5  1  0.746  0.746  0.250  1.0
  Sr  Sr6  1  0.254  0.001  0.250  1.0
  Sr  Sr7  1  0.001  0.746  0.750  1.0
  Sr  Sr8  1  0.333  0.667  0.002  1.0
  Sr  Sr9  1  0.333  0.667  0.498  1.0
  P  P10  1  0.408  0.374  0.250  1.0
  P  P11  1  0.034  0.408  0.750  1.0
  P  P12  1  0.374  0.966  0.750  1.0
  P  P13  1  0.592  0.626  0.750  1.0
  P  P14  1  0.626  0.034  0.250  1.0
  P  P15  1  0.966  0.592  0.250  1.0
  Cl  Cl16  1  0.000  0.000  0.500  1.0
  Cl  Cl17  1  0.000  0.000  0.000  1.0
  O  O18  1  0.343  0.486  0.250  1.0
  O  O19  1  0.858  0.343  0.750  1.0
  O  O20  1  0.486  0.142  0.750  1.0
  O  O21  1  0.514  0.858  0.250  1.0
  O  O22  1  0.142  0.657  0.250  1.0
  O  O23  1  0.657  0.514  0.750  1.0
  O  O24  1  0.588  0.465  0.250  1.0
  O  O25  1  0.123  0.588  0.750  1.0
  O  O26  1  0.465  0.877  0.750  1.0
  O  O27  1  0.535  0.123  0.250  1.0
  O  O28  1  0.877  0.412  0.250  1.0
  O  O29  1  0.412  0.535  0.750  1.0
  O  O30  1  0.356  0.269  0.076  1.0
  O  O31  1  0.086  0.356  0.576  1.0
  O  O32  1  0.269  0.914  0.576  1.0
  O  O33  1  0.731  0.086  0.076  1.0
  O  O34  1  0.914  0.644  0.076  1.0
  O  O35  1  0.644  0.731  0.576  1.0
  O  O36  1  0.644  0.731  0.924  1.0
  O  O37  1  0.914  0.644  0.424  1.0
  O  O38  1  0.731  0.086  0.424  1.0
  O  O39  1  0.269  0.914  0.924  1.0
  O  O40  1  0.086  0.356  0.924  1.0
  O  O41  1  0.356  0.269  0.424  1.0
[/CIF]
.