The structure described by Fe2MnGa is Heusler structured and crystallizes in the tetragonal I4/mmm space group. Mn(1) is bonded to eight equivalent Fe(1) and four equivalent Ga(1) atoms to form MnGa4Fe8 cuboctahedra that share corners with four equivalent Mn(1)Ga4Fe8 cuboctahedra, corners with eight equivalent Ga(1)Mn4Fe8 cuboctahedra, edges with eight equivalent Mn(1)Ga4Fe8 cuboctahedra, edges with sixteen equivalent Fe(1)Mn4Ga4Fe4 cuboctahedra, faces with four equivalent Mn(1)Ga4Fe8 cuboctahedra, faces with six equivalent Ga(1)Mn4Fe8 cuboctahedra, and faces with eight equivalent Fe(1)Mn4Ga4Fe4 cuboctahedra. Fe(1) is bonded to four equivalent Mn(1), four equivalent Fe(1), and four equivalent Ga(1) atoms to form distorted FeMn4Ga4Fe4 cuboctahedra that share corners with twelve equivalent Fe(1)Mn4Ga4Fe4 cuboctahedra, edges with eight equivalent Mn(1)Ga4Fe8 cuboctahedra, edges with eight equivalent Fe(1)Mn4Ga4Fe4 cuboctahedra, edges with eight equivalent Ga(1)Mn4Fe8 cuboctahedra, faces with four equivalent Mn(1)Ga4Fe8 cuboctahedra, faces with four equivalent Ga(1)Mn4Fe8 cuboctahedra, and faces with ten equivalent Fe(1)Mn4Ga4Fe4 cuboctahedra. Ga(1) is bonded to four equivalent Mn(1) and eight equivalent Fe(1) atoms to form GaMn4Fe8 cuboctahedra that share corners with four equivalent Ga(1)Mn4Fe8 cuboctahedra, corners with eight equivalent Mn(1)Ga4Fe8 cuboctahedra, edges with eight equivalent Ga(1)Mn4Fe8 cuboctahedra, edges with sixteen equivalent Fe(1)Mn4Ga4Fe4 cuboctahedra, faces with four equivalent Ga(1)Mn4Fe8 cuboctahedra, faces with six equivalent Mn(1)Ga4Fe8 cuboctahedra, and faces with eight equivalent Fe(1)Mn4Ga4Fe4 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_MnGaFe2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.344
_cell_length_b   4.344
_cell_length_c   4.344
_cell_angle_alpha   129.873
_cell_angle_beta   129.873
_cell_angle_gamma   73.610
_symmetry_Int_Tables_number   1
_cell_volume   47.124
_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
  Mn  Mn0  1  0.500  0.500  0.000  1.0
  Ga  Ga1  1  0.000  0.000  0.000  1.0
  Fe  Fe2  1  0.750  0.250  0.500  1.0
  Fe  Fe3  1  0.250  0.750  0.500  1.0
[/CIF]
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The structure described by Fe2MnGa is Heusler structured and crystallizes in the tetragonal I4/mmm space group. Mn(1) is bonded to eight equivalent Fe(1) and four equivalent Ga(1) atoms to form MnGa4Fe8 cuboctahedra that share corners with four equivalent Mn(1)Ga4Fe8 cuboctahedra, corners with eight equivalent Ga(1)Mn4Fe8 cuboctahedra, edges with eight equivalent Mn(1)Ga4Fe8 cuboctahedra, edges with sixteen equivalent Fe(1)Mn4Ga4Fe4 cuboctahedra, faces with four equivalent Mn(1)Ga4Fe8 cuboctahedra, faces with six equivalent Ga(1)Mn4Fe8 cuboctahedra, and faces with eight equivalent Fe(1)Mn4Ga4Fe4 cuboctahedra. Fe(1) is bonded to four equivalent Mn(1), four equivalent Fe(1), and four equivalent Ga(1) atoms to form distorted FeMn4Ga4Fe4 cuboctahedra that share corners with twelve equivalent Fe(1)Mn4Ga4Fe4 cuboctahedra, edges with eight equivalent Mn(1)Ga4Fe8 cuboctahedra, edges with eight equivalent Fe(1)Mn4Ga4Fe4 cuboctahedra, edges with eight equivalent Ga(1)Mn4Fe8 cuboctahedra, faces with four equivalent Mn(1)Ga4Fe8 cuboctahedra, faces with four equivalent Ga(1)Mn4Fe8 cuboctahedra, and faces with ten equivalent Fe(1)Mn4Ga4Fe4 cuboctahedra. Ga(1) is bonded to four equivalent Mn(1) and eight equivalent Fe(1) atoms to form GaMn4Fe8 cuboctahedra that share corners with four equivalent Ga(1)Mn4Fe8 cuboctahedra, corners with eight equivalent Mn(1)Ga4Fe8 cuboctahedra, edges with eight equivalent Ga(1)Mn4Fe8 cuboctahedra, edges with sixteen equivalent Fe(1)Mn4Ga4Fe4 cuboctahedra, faces with four equivalent Ga(1)Mn4Fe8 cuboctahedra, faces with six equivalent Mn(1)Ga4Fe8 cuboctahedra, and faces with eight equivalent Fe(1)Mn4Ga4Fe4 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_MnGaFe2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.344
_cell_length_b   4.344
_cell_length_c   4.344
_cell_angle_alpha   129.873
_cell_angle_beta   129.873
_cell_angle_gamma   73.610
_symmetry_Int_Tables_number   1
_cell_volume   47.124
_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
  Mn  Mn0  1  0.500  0.500  0.000  1.0
  Ga  Ga1  1  0.000  0.000  0.000  1.0
  Fe  Fe2  1  0.750  0.250  0.500  1.0
  Fe  Fe3  1  0.250  0.750  0.500  1.0
[/CIF]
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