The structure described by K3Gd(PO4)2 crystallizes in the monoclinic P2_1/m space group. There are three inequivalent K sites. In the first K site, K(1) is bonded in a 11-coordinate geometry to one O(2), one O(6), two equivalent O(3), three equivalent O(4), and four equivalent O(5) atoms. In the second K site, K(2) is bonded in a 9-coordinate geometry to one O(1), one O(4), two equivalent O(3), two equivalent O(5), and three equivalent O(2) atoms. In the third K site, K(3) is bonded in a 10-coordinate geometry to one O(2), two equivalent O(5), three equivalent O(1), and four equivalent O(3) atoms. Gd(1) is bonded in a 7-coordinate geometry to one O(1), one O(4), one O(6), two equivalent O(3), and two equivalent O(5) atoms. There are two inequivalent P sites. In the first P site, P(1) is bonded in a tetrahedral geometry to one O(1), one O(2), and two equivalent O(3) atoms. In the second P site, P(2) is bonded in a tetrahedral geometry to one O(4), one O(6), and two equivalent O(5) atoms. There are six inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one K(2), three equivalent K(3), one Gd(1), and one P(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one K(1), one K(3), three equivalent K(2), and one P(1) atom. In the third O site, O(3) is bonded in a 1-coordinate geometry to one K(1), one K(2), two equivalent K(3), one Gd(1), and one P(1) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one K(2), three equivalent K(1), one Gd(1), and one P(2) atom. In the fifth O site, O(5) is bonded in a 1-coordinate geometry to one K(2), one K(3), two equivalent K(1), one Gd(1), and one P(2) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one K(1), one Gd(1), and one P(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_K3Gd(PO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.625
_cell_length_b   7.381
_cell_length_c   9.433
_cell_angle_alpha   89.173
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   391.655
_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  0.750  0.635  0.591  1.0
  K  K1  1  0.250  0.365  0.409  1.0
  K  K2  1  0.750  0.493  0.191  1.0
  K  K3  1  0.250  0.507  0.809  1.0
  K  K4  1  0.250  0.799  0.082  1.0
  K  K5  1  0.750  0.201  0.918  1.0
  Gd  Gd6  1  0.750  0.993  0.290  1.0
  Gd  Gd7  1  0.250  0.007  0.710  1.0
  P  P8  1  0.750  0.768  0.912  1.0
  P  P9  1  0.250  0.232  0.088  1.0
  P  P10  1  0.750  0.190  0.573  1.0
  P  P11  1  0.250  0.810  0.427  1.0
  O  O12  1  0.750  0.825  0.069  1.0
  O  O13  1  0.250  0.175  0.931  1.0
  O  O14  1  0.750  0.563  0.898  1.0
  O  O15  1  0.250  0.437  0.102  1.0
  O  O16  1  0.027  0.152  0.162  1.0
  O  O17  1  0.527  0.848  0.838  1.0
  O  O18  1  0.973  0.848  0.838  1.0
  O  O19  1  0.473  0.152  0.162  1.0
  O  O20  1  0.750  0.283  0.425  1.0
  O  O21  1  0.250  0.717  0.575  1.0
  O  O22  1  0.526  0.245  0.657  1.0
  O  O23  1  0.026  0.755  0.343  1.0
  O  O24  1  0.474  0.755  0.343  1.0
  O  O25  1  0.974  0.245  0.657  1.0
  O  O26  1  0.750  0.985  0.546  1.0
  O  O27  1  0.250  0.015  0.454  1.0
[/CIF]
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The structure described by K3Gd(PO4)2 crystallizes in the monoclinic P2_1/m space group. There are three inequivalent K sites. In the first K site, K(1) is bonded in a 11-coordinate geometry to one O(2), one O(6), two equivalent O(3), three equivalent O(4), and four equivalent O(5) atoms. In the second K site, K(2) is bonded in a 9-coordinate geometry to one O(1), one O(4), two equivalent O(3), two equivalent O(5), and three equivalent O(2) atoms. In the third K site, K(3) is bonded in a 10-coordinate geometry to one O(2), two equivalent O(5), three equivalent O(1), and four equivalent O(3) atoms. Gd(1) is bonded in a 7-coordinate geometry to one O(1), one O(4), one O(6), two equivalent O(3), and two equivalent O(5) atoms. There are two inequivalent P sites. In the first P site, P(1) is bonded in a tetrahedral geometry to one O(1), one O(2), and two equivalent O(3) atoms. In the second P site, P(2) is bonded in a tetrahedral geometry to one O(4), one O(6), and two equivalent O(5) atoms. There are six inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one K(2), three equivalent K(3), one Gd(1), and one P(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one K(1), one K(3), three equivalent K(2), and one P(1) atom. In the third O site, O(3) is bonded in a 1-coordinate geometry to one K(1), one K(2), two equivalent K(3), one Gd(1), and one P(1) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one K(2), three equivalent K(1), one Gd(1), and one P(2) atom. In the fifth O site, O(5) is bonded in a 1-coordinate geometry to one K(2), one K(3), two equivalent K(1), one Gd(1), and one P(2) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one K(1), one Gd(1), and one P(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_K3Gd(PO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.625
_cell_length_b   7.381
_cell_length_c   9.433
_cell_angle_alpha   89.173
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   391.655
_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  0.750  0.635  0.591  1.0
  K  K1  1  0.250  0.365  0.409  1.0
  K  K2  1  0.750  0.493  0.191  1.0
  K  K3  1  0.250  0.507  0.809  1.0
  K  K4  1  0.250  0.799  0.082  1.0
  K  K5  1  0.750  0.201  0.918  1.0
  Gd  Gd6  1  0.750  0.993  0.290  1.0
  Gd  Gd7  1  0.250  0.007  0.710  1.0
  P  P8  1  0.750  0.768  0.912  1.0
  P  P9  1  0.250  0.232  0.088  1.0
  P  P10  1  0.750  0.190  0.573  1.0
  P  P11  1  0.250  0.810  0.427  1.0
  O  O12  1  0.750  0.825  0.069  1.0
  O  O13  1  0.250  0.175  0.931  1.0
  O  O14  1  0.750  0.563  0.898  1.0
  O  O15  1  0.250  0.437  0.102  1.0
  O  O16  1  0.027  0.152  0.162  1.0
  O  O17  1  0.527  0.848  0.838  1.0
  O  O18  1  0.973  0.848  0.838  1.0
  O  O19  1  0.473  0.152  0.162  1.0
  O  O20  1  0.750  0.283  0.425  1.0
  O  O21  1  0.250  0.717  0.575  1.0
  O  O22  1  0.526  0.245  0.657  1.0
  O  O23  1  0.026  0.755  0.343  1.0
  O  O24  1  0.474  0.755  0.343  1.0
  O  O25  1  0.974  0.245  0.657  1.0
  O  O26  1  0.750  0.985  0.546  1.0
  O  O27  1  0.250  0.015  0.454  1.0
[/CIF]
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