The material structure described by Ho2Mn12GaGe11 crystallizes in the hexagonal P6mm space group. There are two inequivalent Ho sites. In the first Ho site, Ho(1) is bonded to one Ga(1), one Ge(7), and six equivalent Ge(2) atoms to form distorted HoGaGe7 hexagonal bipyramids that share  a cornercorner with one Ge(6)HoMn6Ga hexagonal bipyramid and edges with six equivalent Ho(1)GaGe7 hexagonal bipyramids. In the second Ho site, Ho(2) is bonded to one Ge(5), one Ge(6), and six equivalent Ge(1) atoms to form distorted edge-sharing HoGe8 hexagonal bipyramids. There are four inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 6-coordinate geometry to two equivalent Ga(1), two equivalent Ge(2), and two equivalent Ge(3) atoms. In the second Mn site, Mn(2) is bonded in a 6-coordinate geometry to two equivalent Ge(1), two equivalent Ge(4), and two equivalent Ge(5) atoms. In the third Mn site, Mn(3) is bonded in a 6-coordinate geometry to two equivalent Ge(1), two equivalent Ge(3), and two equivalent Ge(6) atoms. In the fourth Mn site, Mn(4) is bonded in a 6-coordinate geometry to two equivalent Ge(2), two equivalent Ge(4), and two equivalent Ge(7) atoms. Ga(1) is bonded in a 8-coordinate geometry to one Ho(1), six equivalent Mn(1), and one Ge(6) atom. There are seven inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 9-coordinate geometry to three equivalent Ho(2), three equivalent Mn(2), and three equivalent Mn(3) atoms. In the second Ge site, Ge(2) is bonded in a 9-coordinate geometry to three equivalent Ho(1), three equivalent Mn(1), and three equivalent Mn(4) atoms. In the third Ge site, Ge(3) is bonded in a 6-coordinate geometry to three equivalent Mn(1) and three equivalent Mn(3) atoms. In the fourth Ge site, Ge(4) is bonded in a 6-coordinate geometry to three equivalent Mn(2) and three equivalent Mn(4) atoms. In the fifth Ge site, Ge(5) is bonded in a 8-coordinate geometry to one Ho(2), six equivalent Mn(2), and one Ge(7) atom. In the sixth Ge site, Ge(6) is bonded to one Ho(2), six equivalent Mn(3), and one Ga(1) atom to form distorted GeHoMn6Ga hexagonal bipyramids that share  a cornercorner with one Ho(1)GaGe7 hexagonal bipyramid and corners with six equivalent Ge(6)HoMn6Ga hexagonal bipyramids. In the seventh Ge site, Ge(7) is bonded in a 8-coordinate geometry to one Ho(1), six equivalent Mn(4), and one Ge(5) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ho2Mn12GaGe11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.171
_cell_length_b   5.173
_cell_length_c   16.231
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   60.009
_symmetry_Int_Tables_number   1
_cell_volume   376.030
_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
  Ho  Ho0  1  1.000  0.000  0.001  1.0
  Ho  Ho1  1  1.000  0.000  0.500  1.0
  Mn  Mn2  1  0.500  0.500  0.124  1.0
  Mn  Mn3  1  0.500  0.500  0.625  1.0
  Mn  Mn4  1  0.500  0.000  0.124  1.0
  Mn  Mn5  1  0.500  0.000  0.625  1.0
  Mn  Mn6  1  1.000  0.500  0.124  1.0
  Mn  Mn7  1  1.000  0.500  0.625  1.0
  Mn  Mn8  1  0.500  0.500  0.375  1.0
  Mn  Mn9  1  0.500  0.500  0.875  1.0
  Mn  Mn10  1  0.500  0.000  0.375  1.0
  Mn  Mn11  1  0.500  0.000  0.875  1.0
  Mn  Mn12  1  1.000  0.500  0.375  1.0
  Mn  Mn13  1  1.000  0.500  0.875  1.0
  Ga  Ga14  1  1.000  0.000  0.173  1.0
  Ge  Ge15  1  0.667  0.667  0.500  1.0
  Ge  Ge16  1  0.667  0.667  0.001  1.0
  Ge  Ge17  1  0.333  0.333  0.001  1.0
  Ge  Ge18  1  0.333  0.333  0.500  1.0
  Ge  Ge19  1  0.667  0.667  0.249  1.0
  Ge  Ge20  1  0.667  0.667  0.750  1.0
  Ge  Ge21  1  0.333  0.333  0.249  1.0
  Ge  Ge22  1  0.333  0.333  0.750  1.0
  Ge  Ge23  1  1.000  0.000  0.672  1.0
  Ge  Ge24  1  1.000  0.000  0.329  1.0
  Ge  Ge25  1  1.000  0.000  0.828  1.0
[/CIF]
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The material structure described by Ho2Mn12GaGe11 crystallizes in the hexagonal P6mm space group. There are two inequivalent Ho sites. In the first Ho site, Ho(1) is bonded to one Ga(1), one Ge(7), and six equivalent Ge(2) atoms to form distorted HoGaGe7 hexagonal bipyramids that share  a cornercorner with one Ge(6)HoMn6Ga hexagonal bipyramid and edges with six equivalent Ho(1)GaGe7 hexagonal bipyramids. In the second Ho site, Ho(2) is bonded to one Ge(5), one Ge(6), and six equivalent Ge(1) atoms to form distorted edge-sharing HoGe8 hexagonal bipyramids. There are four inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 6-coordinate geometry to two equivalent Ga(1), two equivalent Ge(2), and two equivalent Ge(3) atoms. In the second Mn site, Mn(2) is bonded in a 6-coordinate geometry to two equivalent Ge(1), two equivalent Ge(4), and two equivalent Ge(5) atoms. In the third Mn site, Mn(3) is bonded in a 6-coordinate geometry to two equivalent Ge(1), two equivalent Ge(3), and two equivalent Ge(6) atoms. In the fourth Mn site, Mn(4) is bonded in a 6-coordinate geometry to two equivalent Ge(2), two equivalent Ge(4), and two equivalent Ge(7) atoms. Ga(1) is bonded in a 8-coordinate geometry to one Ho(1), six equivalent Mn(1), and one Ge(6) atom. There are seven inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 9-coordinate geometry to three equivalent Ho(2), three equivalent Mn(2), and three equivalent Mn(3) atoms. In the second Ge site, Ge(2) is bonded in a 9-coordinate geometry to three equivalent Ho(1), three equivalent Mn(1), and three equivalent Mn(4) atoms. In the third Ge site, Ge(3) is bonded in a 6-coordinate geometry to three equivalent Mn(1) and three equivalent Mn(3) atoms. In the fourth Ge site, Ge(4) is bonded in a 6-coordinate geometry to three equivalent Mn(2) and three equivalent Mn(4) atoms. In the fifth Ge site, Ge(5) is bonded in a 8-coordinate geometry to one Ho(2), six equivalent Mn(2), and one Ge(7) atom. In the sixth Ge site, Ge(6) is bonded to one Ho(2), six equivalent Mn(3), and one Ga(1) atom to form distorted GeHoMn6Ga hexagonal bipyramids that share  a cornercorner with one Ho(1)GaGe7 hexagonal bipyramid and corners with six equivalent Ge(6)HoMn6Ga hexagonal bipyramids. In the seventh Ge site, Ge(7) is bonded in a 8-coordinate geometry to one Ho(1), six equivalent Mn(4), and one Ge(5) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ho2Mn12GaGe11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.171
_cell_length_b   5.173
_cell_length_c   16.231
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   60.009
_symmetry_Int_Tables_number   1
_cell_volume   376.030
_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
  Ho  Ho0  1  1.000  0.000  0.001  1.0
  Ho  Ho1  1  1.000  0.000  0.500  1.0
  Mn  Mn2  1  0.500  0.500  0.124  1.0
  Mn  Mn3  1  0.500  0.500  0.625  1.0
  Mn  Mn4  1  0.500  0.000  0.124  1.0
  Mn  Mn5  1  0.500  0.000  0.625  1.0
  Mn  Mn6  1  1.000  0.500  0.124  1.0
  Mn  Mn7  1  1.000  0.500  0.625  1.0
  Mn  Mn8  1  0.500  0.500  0.375  1.0
  Mn  Mn9  1  0.500  0.500  0.875  1.0
  Mn  Mn10  1  0.500  0.000  0.375  1.0
  Mn  Mn11  1  0.500  0.000  0.875  1.0
  Mn  Mn12  1  1.000  0.500  0.375  1.0
  Mn  Mn13  1  1.000  0.500  0.875  1.0
  Ga  Ga14  1  1.000  0.000  0.173  1.0
  Ge  Ge15  1  0.667  0.667  0.500  1.0
  Ge  Ge16  1  0.667  0.667  0.001  1.0
  Ge  Ge17  1  0.333  0.333  0.001  1.0
  Ge  Ge18  1  0.333  0.333  0.500  1.0
  Ge  Ge19  1  0.667  0.667  0.249  1.0
  Ge  Ge20  1  0.667  0.667  0.750  1.0
  Ge  Ge21  1  0.333  0.333  0.249  1.0
  Ge  Ge22  1  0.333  0.333  0.750  1.0
  Ge  Ge23  1  1.000  0.000  0.672  1.0
  Ge  Ge24  1  1.000  0.000  0.329  1.0
  Ge  Ge25  1  1.000  0.000  0.828  1.0
[/CIF]
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