The structure described by MgAg4(AsS)4 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 3-coordinate geometry to one Ag(3), two equivalent As(1), two equivalent As(4), one S(3), and two equivalent S(2) atoms. There are four inequivalent Ag sites. In the first Ag site, Ag(1) is bonded to two equivalent Ag(3), one As(2), one S(2), and two equivalent S(4) atoms to form distorted AgAg2AsS3 tetrahedra that share  a cornercorner with one S(1)Ag3As tetrahedra, corners with two equivalent S(4)Ag3As tetrahedra, and edges with two equivalent Ag(1)Ag2AsS3 tetrahedra. In the second Ag site, Ag(2) is bonded in a 4-coordinate geometry to one As(1), one S(1), and two equivalent S(3) atoms. In the third Ag site, Ag(3) is bonded in a 7-coordinate geometry to one Mg(1), two equivalent Ag(1), one As(4), one S(4), and two equivalent S(2) atoms. In the fourth Ag site, Ag(4) is bonded to one As(3), one S(3), and two equivalent S(1) atoms to form AgAsS3 tetrahedra that share  a cornercorner with one S(4)Ag3As tetrahedra and corners with two equivalent Ag(4)AsS3 tetrahedra. There are four inequivalent As sites. In the first As site, As(1) is bonded in a 6-coordinate geometry to two equivalent Mg(1), one Ag(2), two equivalent As(4), and one S(2) atom. In the second As site, As(2) is bonded in a 4-coordinate geometry to one Ag(1), two equivalent As(3), and one S(1) atom. In the third As site, As(3) is bonded in a 4-coordinate geometry to one Ag(4), two equivalent As(2), and one S(4) atom. In the fourth As site, As(4) is bonded in a 6-coordinate geometry to two equivalent Mg(1), one Ag(3), two equivalent As(1), and one S(3) atom. There are four inequivalent S sites. In the first S site, S(1) is bonded to one Ag(2), two equivalent Ag(4), and one As(2) atom to form SAg3As tetrahedra that share  a cornercorner with one Ag(1)Ag2AsS3 tetrahedra, corners with two equivalent S(1)Ag3As tetrahedra, and corners with four equivalent S(3)MgAg3As trigonal bipyramids. In the second S site, S(2) is bonded in a 5-coordinate geometry to two equivalent Mg(1), one Ag(1), two equivalent Ag(3), and one As(1) atom. In the third S site, S(3) is bonded to one Mg(1), one Ag(4), two equivalent Ag(2), and one As(4) atom to form distorted SMgAg3As trigonal bipyramids that share corners with four equivalent S(1)Ag3As tetrahedra and corners with two equivalent S(3)MgAg3As trigonal bipyramids. In the fourth S site, S(4) is bonded to one Ag(3), two equivalent Ag(1), and one As(3) atom to form SAg3As tetrahedra that share  a cornercorner with one Ag(4)AsS3 tetrahedra, corners with two equivalent Ag(1)Ag2AsS3 tetrahedra, and corners with two equivalent S(4)Ag3As tetrahedra. is represented by the CIF card [CIF]
data_MgAg4(AsS)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   12.115
_cell_length_b   5.597
_cell_length_c   4.468
_cell_angle_alpha   90.079
_cell_angle_beta   90.984
_cell_angle_gamma   83.370
_symmetry_Int_Tables_number   1
_cell_volume   300.939
_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
  Mg  Mg0  1  0.510  0.361  0.756  1.0
  Ag  Ag1  1  0.830  0.125  0.237  1.0
  Ag  Ag2  1  0.308  0.462  0.248  1.0
  Ag  Ag3  1  0.741  0.485  0.706  1.0
  Ag  Ag4  1  0.146  0.968  0.753  1.0
  As  As5  1  0.467  0.042  0.257  1.0
  As  As6  1  0.982  0.428  0.248  1.0
  As  As7  1  0.013  0.636  0.751  1.0
  As  As8  1  0.528  0.850  0.758  1.0
  S  S9  1  0.151  0.200  0.254  1.0
  S  S10  1  0.614  0.290  0.258  1.0
  S  S11  1  0.355  0.686  0.751  1.0
  S  S12  1  0.840  0.853  0.744  1.0
[/CIF]
.
The structure described by MgAg4(AsS)4 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 3-coordinate geometry to one Ag(3), two equivalent As(1), two equivalent As(4), one S(3), and two equivalent S(2) atoms. There are four inequivalent Ag sites. In the first Ag site, Ag(1) is bonded to two equivalent Ag(3), one As(2), one S(2), and two equivalent S(4) atoms to form distorted AgAg2AsS3 tetrahedra that share  a cornercorner with one S(1)Ag3As tetrahedra, corners with two equivalent S(4)Ag3As tetrahedra, and edges with two equivalent Ag(1)Ag2AsS3 tetrahedra. In the second Ag site, Ag(2) is bonded in a 4-coordinate geometry to one As(1), one S(1), and two equivalent S(3) atoms. In the third Ag site, Ag(3) is bonded in a 7-coordinate geometry to one Mg(1), two equivalent Ag(1), one As(4), one S(4), and two equivalent S(2) atoms. In the fourth Ag site, Ag(4) is bonded to one As(3), one S(3), and two equivalent S(1) atoms to form AgAsS3 tetrahedra that share  a cornercorner with one S(4)Ag3As tetrahedra and corners with two equivalent Ag(4)AsS3 tetrahedra. There are four inequivalent As sites. In the first As site, As(1) is bonded in a 6-coordinate geometry to two equivalent Mg(1), one Ag(2), two equivalent As(4), and one S(2) atom. In the second As site, As(2) is bonded in a 4-coordinate geometry to one Ag(1), two equivalent As(3), and one S(1) atom. In the third As site, As(3) is bonded in a 4-coordinate geometry to one Ag(4), two equivalent As(2), and one S(4) atom. In the fourth As site, As(4) is bonded in a 6-coordinate geometry to two equivalent Mg(1), one Ag(3), two equivalent As(1), and one S(3) atom. There are four inequivalent S sites. In the first S site, S(1) is bonded to one Ag(2), two equivalent Ag(4), and one As(2) atom to form SAg3As tetrahedra that share  a cornercorner with one Ag(1)Ag2AsS3 tetrahedra, corners with two equivalent S(1)Ag3As tetrahedra, and corners with four equivalent S(3)MgAg3As trigonal bipyramids. In the second S site, S(2) is bonded in a 5-coordinate geometry to two equivalent Mg(1), one Ag(1), two equivalent Ag(3), and one As(1) atom. In the third S site, S(3) is bonded to one Mg(1), one Ag(4), two equivalent Ag(2), and one As(4) atom to form distorted SMgAg3As trigonal bipyramids that share corners with four equivalent S(1)Ag3As tetrahedra and corners with two equivalent S(3)MgAg3As trigonal bipyramids. In the fourth S site, S(4) is bonded to one Ag(3), two equivalent Ag(1), and one As(3) atom to form SAg3As tetrahedra that share  a cornercorner with one Ag(4)AsS3 tetrahedra, corners with two equivalent Ag(1)Ag2AsS3 tetrahedra, and corners with two equivalent S(4)Ag3As tetrahedra. is represented by the CIF card [CIF]
data_MgAg4(AsS)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   12.115
_cell_length_b   5.597
_cell_length_c   4.468
_cell_angle_alpha   90.079
_cell_angle_beta   90.984
_cell_angle_gamma   83.370
_symmetry_Int_Tables_number   1
_cell_volume   300.939
_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
  Mg  Mg0  1  0.510  0.361  0.756  1.0
  Ag  Ag1  1  0.830  0.125  0.237  1.0
  Ag  Ag2  1  0.308  0.462  0.248  1.0
  Ag  Ag3  1  0.741  0.485  0.706  1.0
  Ag  Ag4  1  0.146  0.968  0.753  1.0
  As  As5  1  0.467  0.042  0.257  1.0
  As  As6  1  0.982  0.428  0.248  1.0
  As  As7  1  0.013  0.636  0.751  1.0
  As  As8  1  0.528  0.850  0.758  1.0
  S  S9  1  0.151  0.200  0.254  1.0
  S  S10  1  0.614  0.290  0.258  1.0
  S  S11  1  0.355  0.686  0.751  1.0
  S  S12  1  0.840  0.853  0.744  1.0
[/CIF]
.