The material structure described by Cd2SnGeAs4 is Stannite-like structured and crystallizes in the tetragonal I-4 space group. There are two inequivalent Cd sites. In the first Cd site, Cd(1) is bonded to four equivalent As(1) atoms to form CdAs4 tetrahedra that share corners with four equivalent Cd(2)As4 tetrahedra, corners with four equivalent Sn(1)As4 tetrahedra, and corners with four equivalent Ge(1)As4 tetrahedra. In the second Cd site, Cd(2) is bonded to four equivalent As(1) atoms to form CdAs4 tetrahedra that share corners with four equivalent Cd(1)As4 tetrahedra, corners with four equivalent Sn(1)As4 tetrahedra, and corners with four equivalent Ge(1)As4 tetrahedra. Sn(1) is bonded to four equivalent As(1) atoms to form SnAs4 tetrahedra that share corners with four equivalent Cd(1)As4 tetrahedra, corners with four equivalent Cd(2)As4 tetrahedra, and corners with four equivalent Ge(1)As4 tetrahedra. Ge(1) is bonded to four equivalent As(1) atoms to form GeAs4 tetrahedra that share corners with four equivalent Cd(1)As4 tetrahedra, corners with four equivalent Cd(2)As4 tetrahedra, and corners with four equivalent Sn(1)As4 tetrahedra. As(1) is bonded to one Cd(1), one Cd(2), one Sn(1), and one Ge(1) atom to form corner-sharing AsCd2SnGe tetrahedra. is represented by the CIF card [CIF]
data_Cd2SnGeAs4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.338
_cell_length_b   7.338
_cell_length_c   7.338
_cell_angle_alpha   130.458
_cell_angle_beta   130.458
_cell_angle_gamma   72.676
_symmetry_Int_Tables_number   1
_cell_volume   223.503
_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
  Cd  Cd0  1  0.250  0.750  0.500  1.0
  Cd  Cd1  1  0.000  0.000  0.000  1.0
  Sn  Sn2  1  0.500  0.500  0.000  1.0
  Ge  Ge3  1  0.750  0.250  0.500  1.0
  As  As4  1  0.107  0.136  0.503  1.0
  As  As5  1  0.632  0.603  0.497  1.0
  As  As6  1  0.397  0.893  0.029  1.0
  As  As7  1  0.864  0.368  0.971  1.0
[/CIF]
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The material structure described by Cd2SnGeAs4 is Stannite-like structured and crystallizes in the tetragonal I-4 space group. There are two inequivalent Cd sites. In the first Cd site, Cd(1) is bonded to four equivalent As(1) atoms to form CdAs4 tetrahedra that share corners with four equivalent Cd(2)As4 tetrahedra, corners with four equivalent Sn(1)As4 tetrahedra, and corners with four equivalent Ge(1)As4 tetrahedra. In the second Cd site, Cd(2) is bonded to four equivalent As(1) atoms to form CdAs4 tetrahedra that share corners with four equivalent Cd(1)As4 tetrahedra, corners with four equivalent Sn(1)As4 tetrahedra, and corners with four equivalent Ge(1)As4 tetrahedra. Sn(1) is bonded to four equivalent As(1) atoms to form SnAs4 tetrahedra that share corners with four equivalent Cd(1)As4 tetrahedra, corners with four equivalent Cd(2)As4 tetrahedra, and corners with four equivalent Ge(1)As4 tetrahedra. Ge(1) is bonded to four equivalent As(1) atoms to form GeAs4 tetrahedra that share corners with four equivalent Cd(1)As4 tetrahedra, corners with four equivalent Cd(2)As4 tetrahedra, and corners with four equivalent Sn(1)As4 tetrahedra. As(1) is bonded to one Cd(1), one Cd(2), one Sn(1), and one Ge(1) atom to form corner-sharing AsCd2SnGe tetrahedra. is represented by the CIF card [CIF]
data_Cd2SnGeAs4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.338
_cell_length_b   7.338
_cell_length_c   7.338
_cell_angle_alpha   130.458
_cell_angle_beta   130.458
_cell_angle_gamma   72.676
_symmetry_Int_Tables_number   1
_cell_volume   223.503
_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
  Cd  Cd0  1  0.250  0.750  0.500  1.0
  Cd  Cd1  1  0.000  0.000  0.000  1.0
  Sn  Sn2  1  0.500  0.500  0.000  1.0
  Ge  Ge3  1  0.750  0.250  0.500  1.0
  As  As4  1  0.107  0.136  0.503  1.0
  As  As5  1  0.632  0.603  0.497  1.0
  As  As6  1  0.397  0.893  0.029  1.0
  As  As7  1  0.864  0.368  0.971  1.0
[/CIF]
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