The material structure described by K4P4O5 crystallizes in the monoclinic P2_1 space group. There are four inequivalent K sites. In the first K site, K(1) is bonded in a 4-coordinate geometry to one P(4), one O(1), one O(3), one O(4), and one O(5) atom. In the second K site, K(2) is bonded in a 5-coordinate geometry to one P(4), one O(1), one O(2), one O(3), and one O(4) atom. In the third K site, K(3) is bonded in a 3-coordinate geometry to two equivalent P(4), one O(1), one O(2), and one O(5) atom. In the fourth K site, K(4) is bonded in a 3-coordinate geometry to one P(4), one O(2), one O(3), and one O(4) atom. There are four inequivalent P sites. In the first P site, P(1) is bonded in a tetrahedral geometry to one O(1), one O(2), one O(3), and one O(4) atom. In the second P site, P(2) is bonded in a single-bond geometry to one P(4) and one O(5) atom. In the third P site, P(3) is bonded in a single-bond geometry to one O(4) atom. In the fourth P site, P(4) is bonded in a 6-coordinate geometry to one K(1), one K(2), one K(4), two equivalent K(3), and one P(2) atom. There are five inequivalent O sites. In the first O site, O(1) is bonded in a 1-coordinate geometry to one K(1), one K(2), one K(3), and one P(1) atom. In the second O site, O(2) is bonded in a 1-coordinate geometry to one K(2), one K(3), one K(4), 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), one K(4), and one P(1) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one K(1), one K(2), one K(4), one P(1), and one P(3) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one K(1), one K(3), and one P(2) atom. is represented by the CIF card [CIF]
data_K4P4O5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   14.078
_cell_length_b   6.893
_cell_length_c   6.987
_cell_angle_alpha   61.236
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   594.311
_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  0.522  0.947  0.968  1.0
  K  K1  1  0.022  0.053  0.032  1.0
  K  K2  1  0.787  0.570  0.957  1.0
  K  K3  1  0.287  0.430  0.043  1.0
  K  K4  1  0.918  0.118  0.482  1.0
  K  K5  1  0.418  0.882  0.518  1.0
  K  K6  1  0.684  0.444  0.548  1.0
  K  K7  1  0.184  0.556  0.452  1.0
  P  P8  1  0.771  0.007  0.042  1.0
  P  P9  1  0.271  0.993  0.958  1.0
  P  P10  1  0.537  0.415  0.142  1.0
  P  P11  1  0.037  0.585  0.858  1.0
  P  P12  1  0.632  0.151  0.250  1.0
  P  P13  1  0.132  0.849  0.750  1.0
  P  P14  1  0.963  0.583  0.613  1.0
  P  P15  1  0.463  0.417  0.387  1.0
  O  O16  1  0.848  0.067  0.160  1.0
  O  O17  1  0.348  0.933  0.840  1.0
  O  O18  1  0.797  0.059  0.808  1.0
  O  O19  1  0.297  0.941  0.192  1.0
  O  O20  1  0.728  0.775  0.174  1.0
  O  O21  1  0.228  0.225  0.826  1.0
  O  O22  1  0.681  0.184  0.006  1.0
  O  O23  1  0.181  0.816  0.994  1.0
  O  O24  1  0.535  0.582  0.895  1.0
  O  O25  1  0.035  0.418  0.105  1.0
[/CIF]
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The material structure described by K4P4O5 crystallizes in the monoclinic P2_1 space group. There are four inequivalent K sites. In the first K site, K(1) is bonded in a 4-coordinate geometry to one P(4), one O(1), one O(3), one O(4), and one O(5) atom. In the second K site, K(2) is bonded in a 5-coordinate geometry to one P(4), one O(1), one O(2), one O(3), and one O(4) atom. In the third K site, K(3) is bonded in a 3-coordinate geometry to two equivalent P(4), one O(1), one O(2), and one O(5) atom. In the fourth K site, K(4) is bonded in a 3-coordinate geometry to one P(4), one O(2), one O(3), and one O(4) atom. There are four inequivalent P sites. In the first P site, P(1) is bonded in a tetrahedral geometry to one O(1), one O(2), one O(3), and one O(4) atom. In the second P site, P(2) is bonded in a single-bond geometry to one P(4) and one O(5) atom. In the third P site, P(3) is bonded in a single-bond geometry to one O(4) atom. In the fourth P site, P(4) is bonded in a 6-coordinate geometry to one K(1), one K(2), one K(4), two equivalent K(3), and one P(2) atom. There are five inequivalent O sites. In the first O site, O(1) is bonded in a 1-coordinate geometry to one K(1), one K(2), one K(3), and one P(1) atom. In the second O site, O(2) is bonded in a 1-coordinate geometry to one K(2), one K(3), one K(4), 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), one K(4), and one P(1) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one K(1), one K(2), one K(4), one P(1), and one P(3) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one K(1), one K(3), and one P(2) atom. is represented by the CIF card [CIF]
data_K4P4O5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   14.078
_cell_length_b   6.893
_cell_length_c   6.987
_cell_angle_alpha   61.236
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   594.311
_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  0.522  0.947  0.968  1.0
  K  K1  1  0.022  0.053  0.032  1.0
  K  K2  1  0.787  0.570  0.957  1.0
  K  K3  1  0.287  0.430  0.043  1.0
  K  K4  1  0.918  0.118  0.482  1.0
  K  K5  1  0.418  0.882  0.518  1.0
  K  K6  1  0.684  0.444  0.548  1.0
  K  K7  1  0.184  0.556  0.452  1.0
  P  P8  1  0.771  0.007  0.042  1.0
  P  P9  1  0.271  0.993  0.958  1.0
  P  P10  1  0.537  0.415  0.142  1.0
  P  P11  1  0.037  0.585  0.858  1.0
  P  P12  1  0.632  0.151  0.250  1.0
  P  P13  1  0.132  0.849  0.750  1.0
  P  P14  1  0.963  0.583  0.613  1.0
  P  P15  1  0.463  0.417  0.387  1.0
  O  O16  1  0.848  0.067  0.160  1.0
  O  O17  1  0.348  0.933  0.840  1.0
  O  O18  1  0.797  0.059  0.808  1.0
  O  O19  1  0.297  0.941  0.192  1.0
  O  O20  1  0.728  0.775  0.174  1.0
  O  O21  1  0.228  0.225  0.826  1.0
  O  O22  1  0.681  0.184  0.006  1.0
  O  O23  1  0.181  0.816  0.994  1.0
  O  O24  1  0.535  0.582  0.895  1.0
  O  O25  1  0.035  0.418  0.105  1.0
[/CIF]
.