The crystal structure described by U2Mn12P7 crystallizes in the monoclinic Pm space group. There are two inequivalent U sites. In the first U site, U(1) is bonded in a 6-coordinate geometry to two equivalent P(3), two equivalent P(4), and two equivalent P(5) atoms. In the second U site, U(2) is bonded in a 6-coordinate geometry to two equivalent P(2), two equivalent P(6), and two equivalent P(7) atoms. There are twelve inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one P(1), one P(4), and two equivalent P(6) atoms to form a mixture of distorted edge and corner-sharing MnP4 tetrahedra. In the second Mn site, Mn(2) is bonded to one P(2), one P(7), and two equivalent P(5) atoms to form a mixture of edge and corner-sharing MnP4 tetrahedra. In the third Mn site, Mn(3) is bonded to one P(1), one P(3), and two equivalent P(2) atoms to form a mixture of distorted edge and corner-sharing MnP4 tetrahedra. In the fourth Mn site, Mn(4) is bonded to one P(2), one P(6), and two equivalent P(3) atoms to form a mixture of edge and corner-sharing MnP4 tetrahedra. In the fifth Mn site, Mn(5) is bonded in a 5-coordinate geometry to one P(6), two equivalent P(1), and two equivalent P(5) atoms. In the sixth Mn site, Mn(6) is bonded in a 5-coordinate geometry to one P(2), two equivalent P(1), and two equivalent P(4) atoms. In the seventh Mn site, Mn(7) is bonded in a 5-coordinate geometry to one P(7), two equivalent P(1), and two equivalent P(3) atoms. In the eighth Mn site, Mn(8) is bonded to one P(3), one P(4), and two equivalent P(7) atoms to form a mixture of distorted edge and corner-sharing MnP4 tetrahedra. In the ninth Mn site, Mn(9) is bonded to one P(4), one P(5), and two equivalent P(2) atoms to form a mixture of edge and corner-sharing MnP4 tetrahedra. In the tenth Mn site, Mn(10) is bonded to one P(3), one P(5), and two equivalent P(6) atoms to form a mixture of distorted edge and corner-sharing MnP4 tetrahedra. In the eleventh Mn site, Mn(11) is bonded to one P(6), one P(7), and two equivalent P(4) atoms to form a mixture of edge and corner-sharing MnP4 tetrahedra. In the twelfth Mn site, Mn(12) is bonded to one P(1), one P(5), and two equivalent P(7) atoms to form a mixture of distorted edge and corner-sharing MnP4 tetrahedra. There are seven inequivalent P sites. In the first P site, P(1) is bonded in a 9-coordinate geometry to one Mn(1), one Mn(12), one Mn(3), two equivalent Mn(5), two equivalent Mn(6), and two equivalent Mn(7) atoms. In the second P site, P(2) is bonded in a 9-coordinate geometry to two equivalent U(2), one Mn(2), one Mn(4), one Mn(6), two equivalent Mn(3), and two equivalent Mn(9) atoms. In the third P site, P(3) is bonded in a 9-coordinate geometry to two equivalent U(1), one Mn(10), one Mn(3), one Mn(8), two equivalent Mn(4), and two equivalent Mn(7) atoms. In the fourth P site, P(4) is bonded in a 9-coordinate geometry to two equivalent U(1), one Mn(1), one Mn(8), one Mn(9), two equivalent Mn(11), and two equivalent Mn(6) atoms. In the fifth P site, P(5) is bonded in a 9-coordinate geometry to two equivalent U(1), one Mn(10), one Mn(12), one Mn(9), two equivalent Mn(2), and two equivalent Mn(5) atoms. In the sixth P site, P(6) is bonded in a 9-coordinate geometry to two equivalent U(2), one Mn(11), one Mn(4), one Mn(5), two equivalent Mn(1), and two equivalent Mn(10) atoms. In the seventh P site, P(7) is bonded in a 9-coordinate geometry to two equivalent U(2), one Mn(11), one Mn(2), one Mn(7), two equivalent Mn(12), and two equivalent Mn(8) atoms. is represented by the CIF file [CIF]
data_U2Mn12P7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.710
_cell_length_b   9.691
_cell_length_c   3.605
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.216
_symmetry_Int_Tables_number   1
_cell_volume   293.173
_cell_formula_units_Z   1
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
  U  U0  1  0.665  0.331  0.500  1.0
  U  U1  1  0.333  0.667  0.000  1.0
  Mn  Mn2  1  0.114  0.841  0.000  1.0
  Mn  Mn3  1  0.392  0.439  0.500  1.0
  Mn  Mn4  1  0.728  0.886  0.000  1.0
  Mn  Mn5  1  0.562  0.952  0.500  1.0
  Mn  Mn6  1  0.230  0.101  0.500  1.0
  Mn  Mn7  1  0.871  0.770  0.500  1.0
  Mn  Mn8  1  0.897  0.130  0.500  1.0
  Mn  Mn9  1  0.945  0.377  0.000  1.0
  Mn  Mn10  1  0.622  0.569  0.000  1.0
  Mn  Mn11  1  0.433  0.055  0.000  1.0
  Mn  Mn12  1  0.045  0.608  0.500  1.0
  Mn  Mn13  1  0.159  0.273  0.000  1.0
  P  P14  1  0.001  0.000  0.000  1.0
  P  P15  1  0.588  0.716  0.500  1.0
  P  P16  1  0.712  0.120  0.000  1.0
  P  P17  1  0.876  0.589  0.000  1.0
  P  P18  1  0.411  0.289  0.000  1.0
  P  P19  1  0.285  0.872  0.500  1.0
  P  P20  1  0.130  0.415  0.500  1.0
[/CIF]
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The crystal structure described by U2Mn12P7 crystallizes in the monoclinic Pm space group. There are two inequivalent U sites. In the first U site, U(1) is bonded in a 6-coordinate geometry to two equivalent P(3), two equivalent P(4), and two equivalent P(5) atoms. In the second U site, U(2) is bonded in a 6-coordinate geometry to two equivalent P(2), two equivalent P(6), and two equivalent P(7) atoms. There are twelve inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one P(1), one P(4), and two equivalent P(6) atoms to form a mixture of distorted edge and corner-sharing MnP4 tetrahedra. In the second Mn site, Mn(2) is bonded to one P(2), one P(7), and two equivalent P(5) atoms to form a mixture of edge and corner-sharing MnP4 tetrahedra. In the third Mn site, Mn(3) is bonded to one P(1), one P(3), and two equivalent P(2) atoms to form a mixture of distorted edge and corner-sharing MnP4 tetrahedra. In the fourth Mn site, Mn(4) is bonded to one P(2), one P(6), and two equivalent P(3) atoms to form a mixture of edge and corner-sharing MnP4 tetrahedra. In the fifth Mn site, Mn(5) is bonded in a 5-coordinate geometry to one P(6), two equivalent P(1), and two equivalent P(5) atoms. In the sixth Mn site, Mn(6) is bonded in a 5-coordinate geometry to one P(2), two equivalent P(1), and two equivalent P(4) atoms. In the seventh Mn site, Mn(7) is bonded in a 5-coordinate geometry to one P(7), two equivalent P(1), and two equivalent P(3) atoms. In the eighth Mn site, Mn(8) is bonded to one P(3), one P(4), and two equivalent P(7) atoms to form a mixture of distorted edge and corner-sharing MnP4 tetrahedra. In the ninth Mn site, Mn(9) is bonded to one P(4), one P(5), and two equivalent P(2) atoms to form a mixture of edge and corner-sharing MnP4 tetrahedra. In the tenth Mn site, Mn(10) is bonded to one P(3), one P(5), and two equivalent P(6) atoms to form a mixture of distorted edge and corner-sharing MnP4 tetrahedra. In the eleventh Mn site, Mn(11) is bonded to one P(6), one P(7), and two equivalent P(4) atoms to form a mixture of edge and corner-sharing MnP4 tetrahedra. In the twelfth Mn site, Mn(12) is bonded to one P(1), one P(5), and two equivalent P(7) atoms to form a mixture of distorted edge and corner-sharing MnP4 tetrahedra. There are seven inequivalent P sites. In the first P site, P(1) is bonded in a 9-coordinate geometry to one Mn(1), one Mn(12), one Mn(3), two equivalent Mn(5), two equivalent Mn(6), and two equivalent Mn(7) atoms. In the second P site, P(2) is bonded in a 9-coordinate geometry to two equivalent U(2), one Mn(2), one Mn(4), one Mn(6), two equivalent Mn(3), and two equivalent Mn(9) atoms. In the third P site, P(3) is bonded in a 9-coordinate geometry to two equivalent U(1), one Mn(10), one Mn(3), one Mn(8), two equivalent Mn(4), and two equivalent Mn(7) atoms. In the fourth P site, P(4) is bonded in a 9-coordinate geometry to two equivalent U(1), one Mn(1), one Mn(8), one Mn(9), two equivalent Mn(11), and two equivalent Mn(6) atoms. In the fifth P site, P(5) is bonded in a 9-coordinate geometry to two equivalent U(1), one Mn(10), one Mn(12), one Mn(9), two equivalent Mn(2), and two equivalent Mn(5) atoms. In the sixth P site, P(6) is bonded in a 9-coordinate geometry to two equivalent U(2), one Mn(11), one Mn(4), one Mn(5), two equivalent Mn(1), and two equivalent Mn(10) atoms. In the seventh P site, P(7) is bonded in a 9-coordinate geometry to two equivalent U(2), one Mn(11), one Mn(2), one Mn(7), two equivalent Mn(12), and two equivalent Mn(8) atoms. is represented by the CIF file [CIF]
data_U2Mn12P7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.710
_cell_length_b   9.691
_cell_length_c   3.605
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.216
_symmetry_Int_Tables_number   1
_cell_volume   293.173
_cell_formula_units_Z   1
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
  U  U0  1  0.665  0.331  0.500  1.0
  U  U1  1  0.333  0.667  0.000  1.0
  Mn  Mn2  1  0.114  0.841  0.000  1.0
  Mn  Mn3  1  0.392  0.439  0.500  1.0
  Mn  Mn4  1  0.728  0.886  0.000  1.0
  Mn  Mn5  1  0.562  0.952  0.500  1.0
  Mn  Mn6  1  0.230  0.101  0.500  1.0
  Mn  Mn7  1  0.871  0.770  0.500  1.0
  Mn  Mn8  1  0.897  0.130  0.500  1.0
  Mn  Mn9  1  0.945  0.377  0.000  1.0
  Mn  Mn10  1  0.622  0.569  0.000  1.0
  Mn  Mn11  1  0.433  0.055  0.000  1.0
  Mn  Mn12  1  0.045  0.608  0.500  1.0
  Mn  Mn13  1  0.159  0.273  0.000  1.0
  P  P14  1  0.001  0.000  0.000  1.0
  P  P15  1  0.588  0.716  0.500  1.0
  P  P16  1  0.712  0.120  0.000  1.0
  P  P17  1  0.876  0.589  0.000  1.0
  P  P18  1  0.411  0.289  0.000  1.0
  P  P19  1  0.285  0.872  0.500  1.0
  P  P20  1  0.130  0.415  0.500  1.0
[/CIF]
.