The material structure described by KEu(PO3)4 crystallizes in the monoclinic P2_1 space group. K(1) is bonded in a 8-coordinate geometry to one O(1), one O(11), one O(12), one O(3), one O(5), one O(6), one O(7), and one O(9) atom. Eu(1) is bonded in a 8-coordinate geometry to one O(1), one O(11), one O(12), one O(3), one O(5), one O(6), one O(7), and one O(9) atom. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(10), one O(2), and one O(5) atom to form corner-sharing PO4 tetrahedra. In the second P site, P(2) is bonded to one O(10), one O(3), one O(6), and one O(8) atom to form corner-sharing PO4 tetrahedra. In the third P site, P(3) is bonded to one O(12), one O(2), one O(4), and one O(9) atom to form corner-sharing PO4 tetrahedra. In the fourth P site, P(4) is bonded to one O(11), one O(4), one O(7), and one O(8) atom to form corner-sharing PO4 tetrahedra. There are twelve inequivalent O sites. In the first O site, O(12) is bonded in a 1-coordinate geometry to one K(1), one Eu(1), and one P(3) atom. In the second O site, O(1) is bonded in a 1-coordinate geometry to one K(1), one Eu(1), and one P(1) atom. In the third O site, O(2) is bonded in a bent 150 degrees geometry to one P(1) and one P(3) atom. In the fourth O site, O(3) is bonded in a distorted single-bond geometry to one K(1), one Eu(1), and one P(2) atom. In the fifth O site, O(4) is bonded in a bent 150 degrees geometry to one P(3) and one P(4) atom. In the sixth O site, O(5) is bonded in a distorted single-bond geometry to one K(1), one Eu(1), and one P(1) atom. In the seventh O site, O(6) is bonded in a distorted single-bond geometry to one K(1), one Eu(1), and one P(2) atom. In the eighth O site, O(7) is bonded in a distorted single-bond geometry to one K(1), one Eu(1), and one P(4) atom. In the ninth O site, O(8) is bonded in a bent 120 degrees geometry to one P(2) and one P(4) atom. In the tenth O site, O(9) is bonded in a distorted single-bond geometry to one K(1), one Eu(1), and one P(3) atom. In the eleventh O site, O(10) is bonded in a bent 120 degrees geometry to one P(1) and one P(2) atom. In the twelfth O site, O(11) is bonded in a distorted single-bond geometry to one K(1), one Eu(1), and one P(4) atom. is represented by the CIF card [CIF]
data_KEu(PO3)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.606
_cell_length_b   7.380
_cell_length_c   8.147
_cell_angle_alpha   88.187
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   517.118
_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  0.555  0.726  0.719  1.0
  K  K1  1  0.055  0.274  0.281  1.0
  Eu  Eu2  1  0.748  0.235  0.757  1.0
  Eu  Eu3  1  0.248  0.765  0.243  1.0
  P  P4  1  0.125  0.435  0.900  1.0
  P  P5  1  0.625  0.565  0.100  1.0
  P  P6  1  0.995  0.623  0.604  1.0
  P  P7  1  0.825  0.897  0.106  1.0
  P  P8  1  0.325  0.103  0.894  1.0
  P  P9  1  0.100  0.001  0.619  1.0
  P  P10  1  0.600  0.999  0.381  1.0
  P  P11  1  0.495  0.377  0.396  1.0
  O  O12  1  0.657  0.439  0.962  1.0
  O  O13  1  0.778  0.687  0.131  1.0
  O  O14  1  0.342  0.461  0.350  1.0
  O  O15  1  0.842  0.539  0.650  1.0
  O  O16  1  0.704  0.009  0.217  1.0
  O  O17  1  0.483  0.682  0.076  1.0
  O  O18  1  0.054  0.612  0.432  1.0
  O  O19  1  0.001  0.170  0.614  1.0
  O  O20  1  0.554  0.388  0.568  1.0
  O  O21  1  0.983  0.318  0.924  1.0
  O  O22  1  0.987  0.832  0.656  1.0
  O  O23  1  0.986  0.915  0.176  1.0
  O  O24  1  0.130  0.547  0.728  1.0
  O  O25  1  0.200  0.971  0.471  1.0
  O  O26  1  0.630  0.453  0.272  1.0
  O  O27  1  0.700  0.029  0.529  1.0
  O  O28  1  0.501  0.830  0.386  1.0
  O  O29  1  0.157  0.561  0.038  1.0
  O  O30  1  0.486  0.085  0.824  1.0
  O  O31  1  0.278  0.313  0.869  1.0
  O  O32  1  0.295  0.038  0.068  1.0
  O  O33  1  0.795  0.962  0.932  1.0
  O  O34  1  0.487  0.168  0.344  1.0
  O  O35  1  0.204  0.991  0.783  1.0
[/CIF]
.
The material structure described by KEu(PO3)4 crystallizes in the monoclinic P2_1 space group. K(1) is bonded in a 8-coordinate geometry to one O(1), one O(11), one O(12), one O(3), one O(5), one O(6), one O(7), and one O(9) atom. Eu(1) is bonded in a 8-coordinate geometry to one O(1), one O(11), one O(12), one O(3), one O(5), one O(6), one O(7), and one O(9) atom. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(10), one O(2), and one O(5) atom to form corner-sharing PO4 tetrahedra. In the second P site, P(2) is bonded to one O(10), one O(3), one O(6), and one O(8) atom to form corner-sharing PO4 tetrahedra. In the third P site, P(3) is bonded to one O(12), one O(2), one O(4), and one O(9) atom to form corner-sharing PO4 tetrahedra. In the fourth P site, P(4) is bonded to one O(11), one O(4), one O(7), and one O(8) atom to form corner-sharing PO4 tetrahedra. There are twelve inequivalent O sites. In the first O site, O(12) is bonded in a 1-coordinate geometry to one K(1), one Eu(1), and one P(3) atom. In the second O site, O(1) is bonded in a 1-coordinate geometry to one K(1), one Eu(1), and one P(1) atom. In the third O site, O(2) is bonded in a bent 150 degrees geometry to one P(1) and one P(3) atom. In the fourth O site, O(3) is bonded in a distorted single-bond geometry to one K(1), one Eu(1), and one P(2) atom. In the fifth O site, O(4) is bonded in a bent 150 degrees geometry to one P(3) and one P(4) atom. In the sixth O site, O(5) is bonded in a distorted single-bond geometry to one K(1), one Eu(1), and one P(1) atom. In the seventh O site, O(6) is bonded in a distorted single-bond geometry to one K(1), one Eu(1), and one P(2) atom. In the eighth O site, O(7) is bonded in a distorted single-bond geometry to one K(1), one Eu(1), and one P(4) atom. In the ninth O site, O(8) is bonded in a bent 120 degrees geometry to one P(2) and one P(4) atom. In the tenth O site, O(9) is bonded in a distorted single-bond geometry to one K(1), one Eu(1), and one P(3) atom. In the eleventh O site, O(10) is bonded in a bent 120 degrees geometry to one P(1) and one P(2) atom. In the twelfth O site, O(11) is bonded in a distorted single-bond geometry to one K(1), one Eu(1), and one P(4) atom. is represented by the CIF card [CIF]
data_KEu(PO3)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.606
_cell_length_b   7.380
_cell_length_c   8.147
_cell_angle_alpha   88.187
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   517.118
_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  0.555  0.726  0.719  1.0
  K  K1  1  0.055  0.274  0.281  1.0
  Eu  Eu2  1  0.748  0.235  0.757  1.0
  Eu  Eu3  1  0.248  0.765  0.243  1.0
  P  P4  1  0.125  0.435  0.900  1.0
  P  P5  1  0.625  0.565  0.100  1.0
  P  P6  1  0.995  0.623  0.604  1.0
  P  P7  1  0.825  0.897  0.106  1.0
  P  P8  1  0.325  0.103  0.894  1.0
  P  P9  1  0.100  0.001  0.619  1.0
  P  P10  1  0.600  0.999  0.381  1.0
  P  P11  1  0.495  0.377  0.396  1.0
  O  O12  1  0.657  0.439  0.962  1.0
  O  O13  1  0.778  0.687  0.131  1.0
  O  O14  1  0.342  0.461  0.350  1.0
  O  O15  1  0.842  0.539  0.650  1.0
  O  O16  1  0.704  0.009  0.217  1.0
  O  O17  1  0.483  0.682  0.076  1.0
  O  O18  1  0.054  0.612  0.432  1.0
  O  O19  1  0.001  0.170  0.614  1.0
  O  O20  1  0.554  0.388  0.568  1.0
  O  O21  1  0.983  0.318  0.924  1.0
  O  O22  1  0.987  0.832  0.656  1.0
  O  O23  1  0.986  0.915  0.176  1.0
  O  O24  1  0.130  0.547  0.728  1.0
  O  O25  1  0.200  0.971  0.471  1.0
  O  O26  1  0.630  0.453  0.272  1.0
  O  O27  1  0.700  0.029  0.529  1.0
  O  O28  1  0.501  0.830  0.386  1.0
  O  O29  1  0.157  0.561  0.038  1.0
  O  O30  1  0.486  0.085  0.824  1.0
  O  O31  1  0.278  0.313  0.869  1.0
  O  O32  1  0.295  0.038  0.068  1.0
  O  O33  1  0.795  0.962  0.932  1.0
  O  O34  1  0.487  0.168  0.344  1.0
  O  O35  1  0.204  0.991  0.783  1.0
[/CIF]
.