The material described by Fe5GeP crystallizes in the monoclinic Cm space group. There are twenty inequivalent Fe sites. In the first Fe site, Fe(1) is bonded in a 7-coordinate geometry to one Fe(11), one Fe(19), two equivalent Fe(12), two equivalent Fe(20), one Ge(2), one Ge(3), and two equivalent Ge(4) atoms. In the second Fe site, Fe(2) is bonded in a 13-coordinate geometry to one Fe(13), one Fe(17), one Fe(7), two equivalent Fe(14), two equivalent Fe(18), two equivalent Fe(8), one Ge(1), one Ge(5), and two equivalent P(1) atoms. In the third Fe site, Fe(3) is bonded in a 4-coordinate geometry to one Fe(11), one Fe(17), two equivalent Fe(12), two equivalent Fe(15), one Ge(1), one Ge(3), and two equivalent P(2) atoms. In the fourth Fe site, Fe(4) is bonded in a 13-coordinate geometry to one Fe(11), one Fe(18), one Fe(7), two equivalent Fe(12), two equivalent Fe(15), two equivalent Fe(8), one Ge(1), one Ge(4), and two equivalent P(2) atoms. In the fifth Fe site, Fe(5) is bonded in a 13-coordinate geometry to one Fe(13), one Fe(19), one Fe(9), two equivalent Fe(10), two equivalent Fe(14), two equivalent Fe(16), one Ge(2), one Ge(5), and two equivalent P(3) atoms. In the sixth Fe site, Fe(6) is bonded in a 3-coordinate geometry to one Fe(20), one Ge(2), one P(1), and two equivalent P(3) atoms. In the seventh Fe site, Fe(7) is bonded in a 4-coordinate geometry to one Fe(11), one Fe(17), one Fe(2), two equivalent Fe(4), one Ge(1), one Ge(5), and two equivalent P(2) atoms. In the eighth Fe site, Fe(8) is bonded in a 4-coordinate geometry to one Fe(12), one Fe(17), one Fe(2), two equivalent Fe(4), one Ge(1), one P(1), and two equivalent P(2) atoms. In the ninth Fe site, Fe(9) is bonded in a 4-coordinate geometry to one Fe(19), one Fe(5), two equivalent Fe(20), one Ge(2), one Ge(3), and two equivalent P(3) atoms. In the tenth Fe site, Fe(10) is bonded in a 4-coordinate geometry to one Fe(19), one Fe(5), two equivalent Fe(20), one Ge(2), one Ge(4), and two equivalent P(3) atoms. In the eleventh Fe site, Fe(11) is bonded in a 12-coordinate geometry to one Fe(1), one Fe(19), one Fe(3), one Fe(7), two equivalent Fe(15), two equivalent Fe(4), one Ge(1), one Ge(3), and two equivalent Ge(4) atoms. In the twelfth Fe site, Fe(12) is bonded in a 12-coordinate geometry to one Fe(1), one Fe(20), one Fe(3), one Fe(8), two equivalent Fe(15), two equivalent Fe(4), one Ge(1), one Ge(3), and two equivalent Ge(4) atoms. In the thirteenth Fe site, Fe(13) is bonded in a 3-coordinate geometry to one Fe(17), one Fe(2), one Fe(5), one Ge(2), one Ge(5), and two equivalent P(1) atoms. In the fourteenth Fe site, Fe(14) is bonded in a 3-coordinate geometry to one Fe(2), one Fe(5), one Ge(2), one Ge(5), and one P(1) atom. In the fifteenth Fe site, Fe(15) is bonded in a 10-coordinate geometry to one Fe(11), one Fe(3), two equivalent Fe(12), two equivalent Fe(4), one Ge(3), two equivalent Ge(4), and one P(2) atom. In the sixteenth Fe site, Fe(16) is bonded in a 4-coordinate geometry to one Fe(5), one Ge(5), one P(3), and two equivalent P(1) atoms. In the seventeenth Fe site, Fe(17) is bonded in a 11-coordinate geometry to one Fe(13), one Fe(2), one Fe(3), one Fe(7), two equivalent Fe(8), one Ge(5), two equivalent P(1), and two equivalent P(2) atoms. In the eighteenth Fe site, Fe(18) is bonded in a 1-coordinate geometry to one Fe(2), one Fe(4), one Ge(5), two equivalent P(1), and two equivalent P(2) atoms. In the nineteenth Fe site, Fe(19) is bonded in a 11-coordinate geometry to one Fe(1), one Fe(11), one Fe(5), one Fe(9), two equivalent Fe(10), one Ge(3), two equivalent Ge(4), and two equivalent P(3) atoms. In the twentieth Fe site, Fe(20) is bonded in a 11-coordinate geometry to one Fe(1), one Fe(12), one Fe(6), one Fe(9), two equivalent Fe(10), one Ge(3), two equivalent Ge(4), and two equivalent P(3) atoms. There are five inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 10-coordinate geometry to one Fe(11), one Fe(2), one Fe(3), one Fe(7), two equivalent Fe(12), two equivalent Fe(4), and two equivalent Fe(8) atoms. In the second Ge site, Ge(2) is bonded in a 10-coordinate geometry to one Fe(1), one Fe(13), one Fe(5), one Fe(9), two equivalent Fe(10), two equivalent Fe(14), and two equivalent Fe(6) atoms. In the third Ge site, Ge(3) is bonded in a 11-coordinate geometry to one Fe(1), one Fe(11), one Fe(19), one Fe(3), one Fe(9), two equivalent Fe(12), two equivalent Fe(15), and two equivalent Fe(20) atoms. In the fourth Ge site, Ge(4) is bonded in a 11-coordinate geometry to one Fe(1), one Fe(10), one Fe(11), one Fe(19), one Fe(4), two equivalent Fe(12), two equivalent Fe(15), and two equivalent Fe(20) atoms. In the fifth Ge site, Ge(5) is bonded in a 11-coordinate geometry to one Fe(13), one Fe(17), one Fe(2), one Fe(5), one Fe(7), two equivalent Fe(14), two equivalent Fe(16), and two equivalent Fe(18) atoms. There are three inequivalent P sites. In the first P site, P(1) is bonded in a 10-coordinate geometry to one Fe(13), one Fe(14), one Fe(17), one Fe(2), one Fe(6), one Fe(8), two equivalent Fe(16), and two equivalent Fe(18) atoms. In the second P site, P(2) is bonded in a 10-coordinate geometry to one Fe(15), one Fe(17), one Fe(3), one Fe(7), two equivalent Fe(18), two equivalent Fe(4), and two equivalent Fe(8) atoms. In the third P site, P(3) is bonded in a 10-coordinate geometry to one Fe(16), one Fe(19), one Fe(5), one Fe(9), two equivalent Fe(10), two equivalent Fe(20), and two equivalent Fe(6) atoms. is represented by the CIF card [CIF]
data_Fe5GeP
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.767
_cell_length_b   6.728
_cell_length_c   12.459
_cell_angle_alpha   89.741
_cell_angle_beta   90.515
_cell_angle_gamma   120.190
_symmetry_Int_Tables_number   1
_cell_volume   490.260
_cell_formula_units_Z   6
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
  Fe  Fe0  1  0.997  0.000  0.550  1.0
  Fe  Fe1  1  0.012  0.000  0.047  1.0
  Fe  Fe2  1  0.364  0.000  0.286  1.0
  Fe  Fe3  1  0.633  0.639  0.280  1.0
  Fe  Fe4  1  0.994  0.361  0.280  1.0
  Fe  Fe5  1  0.633  0.000  0.792  1.0
  Fe  Fe6  1  0.382  0.378  0.796  1.0
  Fe  Fe7  1  0.004  0.622  0.796  1.0
  Fe  Fe8  1  0.680  0.000  0.174  1.0
  Fe  Fe9  1  0.319  0.330  0.169  1.0
  Fe  Fe10  1  0.989  0.670  0.169  1.0
  Fe  Fe11  1  0.329  0.000  0.680  1.0
  Fe  Fe12  1  0.675  0.673  0.680  1.0
  Fe  Fe13  1  0.002  0.327  0.680  1.0
  Fe  Fe14  1  0.719  0.000  0.383  1.0
  Fe  Fe15  1  0.279  0.283  0.382  1.0
  Fe  Fe16  1  0.996  0.717  0.382  1.0
  Fe  Fe17  1  0.282  0.000  0.891  1.0
  Fe  Fe18  1  0.739  0.738  0.885  1.0
  Fe  Fe19  1  0.001  0.262  0.885  1.0
  Fe  Fe20  1  0.663  0.331  0.392  1.0
  Fe  Fe21  1  0.332  0.669  0.392  1.0
  Fe  Fe22  1  0.323  0.655  0.914  1.0
  Fe  Fe23  1  0.669  0.345  0.914  1.0
  Fe  Fe24  1  0.358  0.000  0.089  1.0
  Fe  Fe25  1  0.635  0.618  0.069  1.0
  Fe  Fe26  1  0.017  0.382  0.069  1.0
  Fe  Fe27  1  0.649  0.000  0.590  1.0
  Fe  Fe28  1  0.347  0.350  0.592  1.0
  Fe  Fe29  1  0.997  0.650  0.592  1.0
  Ge  Ge30  1  0.004  0.000  0.248  1.0
  Ge  Ge31  1  0.006  0.000  0.750  1.0
  Ge  Ge32  1  0.339  0.000  0.486  1.0
  Ge  Ge33  1  0.654  0.654  0.484  1.0
  Ge  Ge34  1  0.001  0.346  0.484  1.0
  Ge  Ge35  1  0.664  0.000  0.985  1.0
  P  P36  1  0.328  0.334  0.983  1.0
  P  P37  1  0.994  0.666  0.983  1.0
  P  P38  1  0.662  0.337  0.208  1.0
  P  P39  1  0.325  0.663  0.208  1.0
  P  P40  1  0.336  0.668  0.724  1.0
  P  P41  1  0.668  0.332  0.724  1.0
[/CIF]
.
The material described by Fe5GeP crystallizes in the monoclinic Cm space group. There are twenty inequivalent Fe sites. In the first Fe site, Fe(1) is bonded in a 7-coordinate geometry to one Fe(11), one Fe(19), two equivalent Fe(12), two equivalent Fe(20), one Ge(2), one Ge(3), and two equivalent Ge(4) atoms. In the second Fe site, Fe(2) is bonded in a 13-coordinate geometry to one Fe(13), one Fe(17), one Fe(7), two equivalent Fe(14), two equivalent Fe(18), two equivalent Fe(8), one Ge(1), one Ge(5), and two equivalent P(1) atoms. In the third Fe site, Fe(3) is bonded in a 4-coordinate geometry to one Fe(11), one Fe(17), two equivalent Fe(12), two equivalent Fe(15), one Ge(1), one Ge(3), and two equivalent P(2) atoms. In the fourth Fe site, Fe(4) is bonded in a 13-coordinate geometry to one Fe(11), one Fe(18), one Fe(7), two equivalent Fe(12), two equivalent Fe(15), two equivalent Fe(8), one Ge(1), one Ge(4), and two equivalent P(2) atoms. In the fifth Fe site, Fe(5) is bonded in a 13-coordinate geometry to one Fe(13), one Fe(19), one Fe(9), two equivalent Fe(10), two equivalent Fe(14), two equivalent Fe(16), one Ge(2), one Ge(5), and two equivalent P(3) atoms. In the sixth Fe site, Fe(6) is bonded in a 3-coordinate geometry to one Fe(20), one Ge(2), one P(1), and two equivalent P(3) atoms. In the seventh Fe site, Fe(7) is bonded in a 4-coordinate geometry to one Fe(11), one Fe(17), one Fe(2), two equivalent Fe(4), one Ge(1), one Ge(5), and two equivalent P(2) atoms. In the eighth Fe site, Fe(8) is bonded in a 4-coordinate geometry to one Fe(12), one Fe(17), one Fe(2), two equivalent Fe(4), one Ge(1), one P(1), and two equivalent P(2) atoms. In the ninth Fe site, Fe(9) is bonded in a 4-coordinate geometry to one Fe(19), one Fe(5), two equivalent Fe(20), one Ge(2), one Ge(3), and two equivalent P(3) atoms. In the tenth Fe site, Fe(10) is bonded in a 4-coordinate geometry to one Fe(19), one Fe(5), two equivalent Fe(20), one Ge(2), one Ge(4), and two equivalent P(3) atoms. In the eleventh Fe site, Fe(11) is bonded in a 12-coordinate geometry to one Fe(1), one Fe(19), one Fe(3), one Fe(7), two equivalent Fe(15), two equivalent Fe(4), one Ge(1), one Ge(3), and two equivalent Ge(4) atoms. In the twelfth Fe site, Fe(12) is bonded in a 12-coordinate geometry to one Fe(1), one Fe(20), one Fe(3), one Fe(8), two equivalent Fe(15), two equivalent Fe(4), one Ge(1), one Ge(3), and two equivalent Ge(4) atoms. In the thirteenth Fe site, Fe(13) is bonded in a 3-coordinate geometry to one Fe(17), one Fe(2), one Fe(5), one Ge(2), one Ge(5), and two equivalent P(1) atoms. In the fourteenth Fe site, Fe(14) is bonded in a 3-coordinate geometry to one Fe(2), one Fe(5), one Ge(2), one Ge(5), and one P(1) atom. In the fifteenth Fe site, Fe(15) is bonded in a 10-coordinate geometry to one Fe(11), one Fe(3), two equivalent Fe(12), two equivalent Fe(4), one Ge(3), two equivalent Ge(4), and one P(2) atom. In the sixteenth Fe site, Fe(16) is bonded in a 4-coordinate geometry to one Fe(5), one Ge(5), one P(3), and two equivalent P(1) atoms. In the seventeenth Fe site, Fe(17) is bonded in a 11-coordinate geometry to one Fe(13), one Fe(2), one Fe(3), one Fe(7), two equivalent Fe(8), one Ge(5), two equivalent P(1), and two equivalent P(2) atoms. In the eighteenth Fe site, Fe(18) is bonded in a 1-coordinate geometry to one Fe(2), one Fe(4), one Ge(5), two equivalent P(1), and two equivalent P(2) atoms. In the nineteenth Fe site, Fe(19) is bonded in a 11-coordinate geometry to one Fe(1), one Fe(11), one Fe(5), one Fe(9), two equivalent Fe(10), one Ge(3), two equivalent Ge(4), and two equivalent P(3) atoms. In the twentieth Fe site, Fe(20) is bonded in a 11-coordinate geometry to one Fe(1), one Fe(12), one Fe(6), one Fe(9), two equivalent Fe(10), one Ge(3), two equivalent Ge(4), and two equivalent P(3) atoms. There are five inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 10-coordinate geometry to one Fe(11), one Fe(2), one Fe(3), one Fe(7), two equivalent Fe(12), two equivalent Fe(4), and two equivalent Fe(8) atoms. In the second Ge site, Ge(2) is bonded in a 10-coordinate geometry to one Fe(1), one Fe(13), one Fe(5), one Fe(9), two equivalent Fe(10), two equivalent Fe(14), and two equivalent Fe(6) atoms. In the third Ge site, Ge(3) is bonded in a 11-coordinate geometry to one Fe(1), one Fe(11), one Fe(19), one Fe(3), one Fe(9), two equivalent Fe(12), two equivalent Fe(15), and two equivalent Fe(20) atoms. In the fourth Ge site, Ge(4) is bonded in a 11-coordinate geometry to one Fe(1), one Fe(10), one Fe(11), one Fe(19), one Fe(4), two equivalent Fe(12), two equivalent Fe(15), and two equivalent Fe(20) atoms. In the fifth Ge site, Ge(5) is bonded in a 11-coordinate geometry to one Fe(13), one Fe(17), one Fe(2), one Fe(5), one Fe(7), two equivalent Fe(14), two equivalent Fe(16), and two equivalent Fe(18) atoms. There are three inequivalent P sites. In the first P site, P(1) is bonded in a 10-coordinate geometry to one Fe(13), one Fe(14), one Fe(17), one Fe(2), one Fe(6), one Fe(8), two equivalent Fe(16), and two equivalent Fe(18) atoms. In the second P site, P(2) is bonded in a 10-coordinate geometry to one Fe(15), one Fe(17), one Fe(3), one Fe(7), two equivalent Fe(18), two equivalent Fe(4), and two equivalent Fe(8) atoms. In the third P site, P(3) is bonded in a 10-coordinate geometry to one Fe(16), one Fe(19), one Fe(5), one Fe(9), two equivalent Fe(10), two equivalent Fe(20), and two equivalent Fe(6) atoms. is represented by the CIF card [CIF]
data_Fe5GeP
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.767
_cell_length_b   6.728
_cell_length_c   12.459
_cell_angle_alpha   89.741
_cell_angle_beta   90.515
_cell_angle_gamma   120.190
_symmetry_Int_Tables_number   1
_cell_volume   490.260
_cell_formula_units_Z   6
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
  Fe  Fe0  1  0.997  0.000  0.550  1.0
  Fe  Fe1  1  0.012  0.000  0.047  1.0
  Fe  Fe2  1  0.364  0.000  0.286  1.0
  Fe  Fe3  1  0.633  0.639  0.280  1.0
  Fe  Fe4  1  0.994  0.361  0.280  1.0
  Fe  Fe5  1  0.633  0.000  0.792  1.0
  Fe  Fe6  1  0.382  0.378  0.796  1.0
  Fe  Fe7  1  0.004  0.622  0.796  1.0
  Fe  Fe8  1  0.680  0.000  0.174  1.0
  Fe  Fe9  1  0.319  0.330  0.169  1.0
  Fe  Fe10  1  0.989  0.670  0.169  1.0
  Fe  Fe11  1  0.329  0.000  0.680  1.0
  Fe  Fe12  1  0.675  0.673  0.680  1.0
  Fe  Fe13  1  0.002  0.327  0.680  1.0
  Fe  Fe14  1  0.719  0.000  0.383  1.0
  Fe  Fe15  1  0.279  0.283  0.382  1.0
  Fe  Fe16  1  0.996  0.717  0.382  1.0
  Fe  Fe17  1  0.282  0.000  0.891  1.0
  Fe  Fe18  1  0.739  0.738  0.885  1.0
  Fe  Fe19  1  0.001  0.262  0.885  1.0
  Fe  Fe20  1  0.663  0.331  0.392  1.0
  Fe  Fe21  1  0.332  0.669  0.392  1.0
  Fe  Fe22  1  0.323  0.655  0.914  1.0
  Fe  Fe23  1  0.669  0.345  0.914  1.0
  Fe  Fe24  1  0.358  0.000  0.089  1.0
  Fe  Fe25  1  0.635  0.618  0.069  1.0
  Fe  Fe26  1  0.017  0.382  0.069  1.0
  Fe  Fe27  1  0.649  0.000  0.590  1.0
  Fe  Fe28  1  0.347  0.350  0.592  1.0
  Fe  Fe29  1  0.997  0.650  0.592  1.0
  Ge  Ge30  1  0.004  0.000  0.248  1.0
  Ge  Ge31  1  0.006  0.000  0.750  1.0
  Ge  Ge32  1  0.339  0.000  0.486  1.0
  Ge  Ge33  1  0.654  0.654  0.484  1.0
  Ge  Ge34  1  0.001  0.346  0.484  1.0
  Ge  Ge35  1  0.664  0.000  0.985  1.0
  P  P36  1  0.328  0.334  0.983  1.0
  P  P37  1  0.994  0.666  0.983  1.0
  P  P38  1  0.662  0.337  0.208  1.0
  P  P39  1  0.325  0.663  0.208  1.0
  P  P40  1  0.336  0.668  0.724  1.0
  P  P41  1  0.668  0.332  0.724  1.0
[/CIF]
.