The material structure described by MnGa(CuSe2)2 is Stannite-like structured and crystallizes in the tetragonal I-4 space group. Mn(1) is bonded to four equivalent Se(1) atoms to form MnSe4 tetrahedra that share corners with four equivalent Cu(1)Se4 tetrahedra, corners with four equivalent Cu(2)Se4 tetrahedra, and corners with four equivalent Ga(1)Se4 tetrahedra. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to four equivalent Se(1) atoms to form CuSe4 tetrahedra that share corners with four equivalent Mn(1)Se4 tetrahedra, corners with four equivalent Cu(2)Se4 tetrahedra, and corners with four equivalent Ga(1)Se4 tetrahedra. In the second Cu site, Cu(2) is bonded to four equivalent Se(1) atoms to form CuSe4 tetrahedra that share corners with four equivalent Mn(1)Se4 tetrahedra, corners with four equivalent Cu(1)Se4 tetrahedra, and corners with four equivalent Ga(1)Se4 tetrahedra. Ga(1) is bonded to four equivalent Se(1) atoms to form GaSe4 tetrahedra that share corners with four equivalent Mn(1)Se4 tetrahedra, corners with four equivalent Cu(1)Se4 tetrahedra, and corners with four equivalent Cu(2)Se4 tetrahedra. Se(1) is bonded to one Mn(1), one Cu(1), one Cu(2), and one Ga(1) atom to form corner-sharing SeMnGaCu2 tetrahedra. is represented by the CIF card [CIF]
data_MnGa(CuSe2)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.935
_cell_length_b   6.935
_cell_length_c   6.935
_cell_angle_alpha   132.241
_cell_angle_beta   132.241
_cell_angle_gamma   69.848
_symmetry_Int_Tables_number   1
_cell_volume   179.277
_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  0.750  0.250  0.500  1.0
  Ga  Ga1  1  0.500  0.500  0.000  1.0
  Cu  Cu2  1  0.250  0.750  0.500  1.0
  Cu  Cu3  1  0.000  0.000  0.000  1.0
  Se  Se4  1  0.127  0.118  0.495  1.0
  Se  Se5  1  0.624  0.633  0.505  1.0
  Se  Se6  1  0.367  0.873  0.991  1.0
  Se  Se7  1  0.882  0.376  0.009  1.0
[/CIF]
.
The material structure described by MnGa(CuSe2)2 is Stannite-like structured and crystallizes in the tetragonal I-4 space group. Mn(1) is bonded to four equivalent Se(1) atoms to form MnSe4 tetrahedra that share corners with four equivalent Cu(1)Se4 tetrahedra, corners with four equivalent Cu(2)Se4 tetrahedra, and corners with four equivalent Ga(1)Se4 tetrahedra. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to four equivalent Se(1) atoms to form CuSe4 tetrahedra that share corners with four equivalent Mn(1)Se4 tetrahedra, corners with four equivalent Cu(2)Se4 tetrahedra, and corners with four equivalent Ga(1)Se4 tetrahedra. In the second Cu site, Cu(2) is bonded to four equivalent Se(1) atoms to form CuSe4 tetrahedra that share corners with four equivalent Mn(1)Se4 tetrahedra, corners with four equivalent Cu(1)Se4 tetrahedra, and corners with four equivalent Ga(1)Se4 tetrahedra. Ga(1) is bonded to four equivalent Se(1) atoms to form GaSe4 tetrahedra that share corners with four equivalent Mn(1)Se4 tetrahedra, corners with four equivalent Cu(1)Se4 tetrahedra, and corners with four equivalent Cu(2)Se4 tetrahedra. Se(1) is bonded to one Mn(1), one Cu(1), one Cu(2), and one Ga(1) atom to form corner-sharing SeMnGaCu2 tetrahedra. is represented by the CIF card [CIF]
data_MnGa(CuSe2)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.935
_cell_length_b   6.935
_cell_length_c   6.935
_cell_angle_alpha   132.241
_cell_angle_beta   132.241
_cell_angle_gamma   69.848
_symmetry_Int_Tables_number   1
_cell_volume   179.277
_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  0.750  0.250  0.500  1.0
  Ga  Ga1  1  0.500  0.500  0.000  1.0
  Cu  Cu2  1  0.250  0.750  0.500  1.0
  Cu  Cu3  1  0.000  0.000  0.000  1.0
  Se  Se4  1  0.127  0.118  0.495  1.0
  Se  Se5  1  0.624  0.633  0.505  1.0
  Se  Se6  1  0.367  0.873  0.991  1.0
  Se  Se7  1  0.882  0.376  0.009  1.0
[/CIF]
.