The structure described by Ba10MgAs6(O12Cl)2 crystallizes in the triclinic P1 space group. There are ten inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 8-coordinate geometry to one O(12), one O(15), one O(18), one O(24), one O(3), one O(6), one O(7), and one O(9) atom. In the second Ba site, Ba(2) is bonded in a 9-coordinate geometry to one O(13), one O(19), one O(2), one O(21), one O(22), one O(23), one O(4), one O(5), and one O(8) atom. In the third Ba site, Ba(3) is bonded in a 7-coordinate geometry to one O(10), one O(11), one O(12), one O(17), one O(18), one O(5), and one Cl(1) atom. In the fourth Ba site, Ba(4) is bonded in a 8-coordinate geometry to one O(1), one O(11), one O(13), one O(19), one O(2), one O(20), one O(4), and one O(8) atom. In the fifth Ba site, Ba(5) is bonded in a 7-coordinate geometry to one O(1), one O(14), one O(15), one O(2), one O(23), one O(9), and one Cl(1) atom. In the sixth Ba site, Ba(6) is bonded in a 9-coordinate geometry to one O(17), one O(19), one O(20), one O(21), one O(22), one O(24), one O(3), one Cl(1), and one Cl(2) atom. In the seventh Ba site, Ba(7) is bonded in a 7-coordinate geometry to one O(10), one O(13), one O(18), one O(21), one O(23), one O(7), and one Cl(2) atom. In the eighth Ba site, Ba(8) is bonded in a 8-coordinate geometry to one O(14), one O(15), one O(20), one O(22), one O(6), one O(8), one Cl(1), and one Cl(2) atom. In the ninth Ba site, Ba(9) is bonded in a 8-coordinate geometry to one O(10), one O(12), one O(14), one O(16), one O(24), one O(6), one O(7), and one O(9) atom. In the tenth Ba site, Ba(10) is bonded in a 7-coordinate geometry to one O(11), one O(16), one O(17), one O(3), one O(4), one O(5), and one Cl(2) atom. Mg(1) is bonded in a 3-coordinate geometry to one As(6), one O(1), one O(10), and one O(13) atom. There are six inequivalent As sites. In the first As site, As(1) is bonded in a tetrahedral geometry to one O(12), one O(14), one O(15), and one O(19) atom. In the second As site, As(2) is bonded in a tetrahedral geometry to one O(1), one O(23), one O(4), and one O(6) atom. In the third As site, As(3) is bonded in a tetrahedral geometry to one O(13), one O(16), one O(20), and one O(22) atom. In the fourth As site, As(4) is bonded in a tetrahedral geometry to one O(17), one O(2), one O(3), and one O(9) atom. In the fifth As site, As(5) is bonded in a tetrahedral geometry to one O(11), one O(5), one O(7), and one O(8) atom. In the sixth As site, As(6) is bonded in a 4-coordinate geometry to one Mg(1), one O(18), one O(21), and one O(24) atom. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Ba(4), one Ba(5), one Mg(1), and one As(2) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Ba(2), one Ba(4), one Ba(5), and one As(4) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Ba(1), one Ba(10), one Ba(6), and one As(4) atom. In the fourth O site, O(4) is bonded in a distorted tetrahedral geometry to one Ba(10), one Ba(2), one Ba(4), and one As(2) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one Ba(10), one Ba(2), one Ba(3), and one As(5) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one Ba(1), one Ba(8), one Ba(9), and one As(2) atom. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Ba(1), one Ba(7), one Ba(9), and one As(5) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Ba(2), one Ba(4), one Ba(8), and one As(5) atom. In the ninth O site, O(9) is bonded to one Ba(1), one Ba(5), one Ba(9), and one As(4) atom to form distorted OBa3As tetrahedra that share  a cornercorner with one Cl(1)Ba4 trigonal pyramid and  an edgeedge with one O(12)Ba3As trigonal pyramid. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to one Ba(3), one Ba(7), one Ba(9), and one Mg(1) atom. In the eleventh O site, O(11) is bonded in a 4-coordinate geometry to one Ba(10), one Ba(3), one Ba(4), and one As(5) atom. In the twelfth O site, O(12) is bonded to one Ba(1), one Ba(3), one Ba(9), and one As(1) atom to form distorted OBa3As trigonal pyramids that share  a cornercorner with one Cl(1)Ba4 trigonal pyramid and  an edgeedge with one O(9)Ba3As tetrahedra. In the thirteenth O site, O(13) is bonded in a 2-coordinate geometry to one Ba(2), one Ba(4), one Ba(7), one Mg(1), and one As(3) atom. In the fourteenth O site, O(14) is bonded in a distorted single-bond geometry to one Ba(5), one Ba(8), one Ba(9), and one As(1) atom. In the fifteenth O site, O(15) is bonded in a 4-coordinate geometry to one Ba(1), one Ba(5), one Ba(8), and one As(1) atom. In the sixteenth O site, O(16) is bonded in a distorted trigonal non-coplanar geometry to one Ba(10), one Ba(9), and one As(3) atom. In the seventeenth O site, O(17) is bonded in a distorted single-bond geometry to one Ba(10), one Ba(3), one Ba(6), and one As(4) atom. In the eighteenth O site, O(18) is bonded in a 4-coordinate geometry to one Ba(1), one Ba(3), one Ba(7), and one As(6) atom. In the nineteenth O site, O(19) is bonded in a 4-coordinate geometry to one Ba(2), one Ba(4), one Ba(6), and one As(1) atom. In the twentieth O site, O(20) is bonded in a 4-coordinate geometry to one Ba(4), one Ba(6), one Ba(8), and one As(3) atom. In the twenty-first O site, O(21) is bonded in a 4-coordinate geometry to one Ba(2), one Ba(6), one Ba(7), and one As(6) atom. In the twenty-second O site, O(22) is bonded in a distorted single-bond geometry to one Ba(2), one Ba(6), one Ba(8), and one As(3) atom. In the twenty-third O site, O(23) is bonded in a distorted single-bond geometry to one Ba(2), one Ba(5), one Ba(7), and one As(2) atom. In the twenty-fourth O site, O(24) is bonded in a 4-coordinate geometry to one Ba(1), one Ba(6), one Ba(9), and one As(6) atom. There are two inequivalent Cl sites. In the first Cl site, Cl(1) is bonded to one Ba(3), one Ba(5), one Ba(6), and one Ba(8) atom to form distorted ClBa4 trigonal pyramids that share  a cornercorner with one O(9)Ba3As tetrahedra and  a cornercorner with one O(12)Ba3As trigonal pyramid. In the second Cl site, Cl(2) is bonded in a 4-coordinate geometry to one Ba(10), one Ba(6), one Ba(7), and one Ba(8) atom. is represented by the CIF card [CIF]
data_Ba10MgAs6(ClO12)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.586
_cell_length_b   10.952
_cell_length_c   8.120
_cell_angle_alpha   95.388
_cell_angle_beta   90.977
_cell_angle_gamma   117.738
_symmetry_Int_Tables_number   1
_cell_volume   827.595
_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
  Ba  Ba0  1  0.686  0.345  0.462  1.0
  Ba  Ba1  1  0.327  0.671  0.516  1.0
  Ba  Ba2  1  0.002  0.234  0.171  1.0
  Ba  Ba3  1  0.309  0.647  0.013  1.0
  Ba  Ba4  1  0.719  0.708  0.276  1.0
  Ba  Ba5  1  0.258  0.987  0.289  1.0
  Ba  Ba6  1  0.761  0.040  0.631  1.0
  Ba  Ba7  1  0.986  0.742  0.772  1.0
  Ba  Ba8  1  0.695  0.310  0.977  1.0
  Ba  Ba9  1  0.281  0.269  0.737  1.0
  Mg  Mg10  1  0.654  0.924  0.959  1.0
  As  As11  1  0.968  0.592  0.252  1.0
  As  As12  1  0.597  0.633  0.773  1.0
  As  As13  1  0.366  0.954  0.796  1.0
  As  As14  1  0.405  0.375  0.248  1.0
  As  As15  1  0.043  0.410  0.721  1.0
  As  As16  1  0.604  0.012  0.242  1.0
  Cl  Cl17  1  0.963  0.939  0.089  1.0
  Cl  Cl18  1  0.022  0.995  0.555  1.0
  O  O19  1  0.622  0.729  0.968  1.0
  O  O20  1  0.392  0.528  0.271  1.0
  O  O21  1  0.381  0.289  0.423  1.0
  O  O22  1  0.413  0.544  0.744  1.0
  O  O23  1  0.106  0.355  0.552  1.0
  O  O24  1  0.670  0.521  0.764  1.0
  O  O25  1  0.859  0.341  0.706  1.0
  O  O26  1  0.121  0.590  0.746  1.0
  O  O27  1  0.584  0.433  0.208  1.0
  O  O28  1  0.785  0.113  0.943  1.0
  O  O29  1  0.109  0.374  0.897  1.0
  O  O30  1  0.904  0.415  0.239  1.0
  O  O31  1  0.481  0.879  0.804  1.0
  O  O32  1  0.894  0.623  0.081  1.0
  O  O33  1  0.898  0.632  0.428  1.0
  O  O34  1  0.458  0.131  0.786  1.0
  O  O35  1  0.286  0.263  0.091  1.0
  O  O36  1  0.767  0.132  0.353  1.0
  O  O37  1  0.153  0.682  0.262  1.0
  O  O38  1  0.262  0.897  0.962  1.0
  O  O39  1  0.507  0.901  0.390  1.0
  O  O40  1  0.253  0.879  0.620  1.0
  O  O41  1  0.671  0.752  0.632  1.0
  O  O42  1  0.528  0.125  0.226  1.0
[/CIF]
.
The structure described by Ba10MgAs6(O12Cl)2 crystallizes in the triclinic P1 space group. There are ten inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 8-coordinate geometry to one O(12), one O(15), one O(18), one O(24), one O(3), one O(6), one O(7), and one O(9) atom. In the second Ba site, Ba(2) is bonded in a 9-coordinate geometry to one O(13), one O(19), one O(2), one O(21), one O(22), one O(23), one O(4), one O(5), and one O(8) atom. In the third Ba site, Ba(3) is bonded in a 7-coordinate geometry to one O(10), one O(11), one O(12), one O(17), one O(18), one O(5), and one Cl(1) atom. In the fourth Ba site, Ba(4) is bonded in a 8-coordinate geometry to one O(1), one O(11), one O(13), one O(19), one O(2), one O(20), one O(4), and one O(8) atom. In the fifth Ba site, Ba(5) is bonded in a 7-coordinate geometry to one O(1), one O(14), one O(15), one O(2), one O(23), one O(9), and one Cl(1) atom. In the sixth Ba site, Ba(6) is bonded in a 9-coordinate geometry to one O(17), one O(19), one O(20), one O(21), one O(22), one O(24), one O(3), one Cl(1), and one Cl(2) atom. In the seventh Ba site, Ba(7) is bonded in a 7-coordinate geometry to one O(10), one O(13), one O(18), one O(21), one O(23), one O(7), and one Cl(2) atom. In the eighth Ba site, Ba(8) is bonded in a 8-coordinate geometry to one O(14), one O(15), one O(20), one O(22), one O(6), one O(8), one Cl(1), and one Cl(2) atom. In the ninth Ba site, Ba(9) is bonded in a 8-coordinate geometry to one O(10), one O(12), one O(14), one O(16), one O(24), one O(6), one O(7), and one O(9) atom. In the tenth Ba site, Ba(10) is bonded in a 7-coordinate geometry to one O(11), one O(16), one O(17), one O(3), one O(4), one O(5), and one Cl(2) atom. Mg(1) is bonded in a 3-coordinate geometry to one As(6), one O(1), one O(10), and one O(13) atom. There are six inequivalent As sites. In the first As site, As(1) is bonded in a tetrahedral geometry to one O(12), one O(14), one O(15), and one O(19) atom. In the second As site, As(2) is bonded in a tetrahedral geometry to one O(1), one O(23), one O(4), and one O(6) atom. In the third As site, As(3) is bonded in a tetrahedral geometry to one O(13), one O(16), one O(20), and one O(22) atom. In the fourth As site, As(4) is bonded in a tetrahedral geometry to one O(17), one O(2), one O(3), and one O(9) atom. In the fifth As site, As(5) is bonded in a tetrahedral geometry to one O(11), one O(5), one O(7), and one O(8) atom. In the sixth As site, As(6) is bonded in a 4-coordinate geometry to one Mg(1), one O(18), one O(21), and one O(24) atom. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Ba(4), one Ba(5), one Mg(1), and one As(2) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Ba(2), one Ba(4), one Ba(5), and one As(4) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Ba(1), one Ba(10), one Ba(6), and one As(4) atom. In the fourth O site, O(4) is bonded in a distorted tetrahedral geometry to one Ba(10), one Ba(2), one Ba(4), and one As(2) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one Ba(10), one Ba(2), one Ba(3), and one As(5) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one Ba(1), one Ba(8), one Ba(9), and one As(2) atom. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Ba(1), one Ba(7), one Ba(9), and one As(5) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Ba(2), one Ba(4), one Ba(8), and one As(5) atom. In the ninth O site, O(9) is bonded to one Ba(1), one Ba(5), one Ba(9), and one As(4) atom to form distorted OBa3As tetrahedra that share  a cornercorner with one Cl(1)Ba4 trigonal pyramid and  an edgeedge with one O(12)Ba3As trigonal pyramid. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to one Ba(3), one Ba(7), one Ba(9), and one Mg(1) atom. In the eleventh O site, O(11) is bonded in a 4-coordinate geometry to one Ba(10), one Ba(3), one Ba(4), and one As(5) atom. In the twelfth O site, O(12) is bonded to one Ba(1), one Ba(3), one Ba(9), and one As(1) atom to form distorted OBa3As trigonal pyramids that share  a cornercorner with one Cl(1)Ba4 trigonal pyramid and  an edgeedge with one O(9)Ba3As tetrahedra. In the thirteenth O site, O(13) is bonded in a 2-coordinate geometry to one Ba(2), one Ba(4), one Ba(7), one Mg(1), and one As(3) atom. In the fourteenth O site, O(14) is bonded in a distorted single-bond geometry to one Ba(5), one Ba(8), one Ba(9), and one As(1) atom. In the fifteenth O site, O(15) is bonded in a 4-coordinate geometry to one Ba(1), one Ba(5), one Ba(8), and one As(1) atom. In the sixteenth O site, O(16) is bonded in a distorted trigonal non-coplanar geometry to one Ba(10), one Ba(9), and one As(3) atom. In the seventeenth O site, O(17) is bonded in a distorted single-bond geometry to one Ba(10), one Ba(3), one Ba(6), and one As(4) atom. In the eighteenth O site, O(18) is bonded in a 4-coordinate geometry to one Ba(1), one Ba(3), one Ba(7), and one As(6) atom. In the nineteenth O site, O(19) is bonded in a 4-coordinate geometry to one Ba(2), one Ba(4), one Ba(6), and one As(1) atom. In the twentieth O site, O(20) is bonded in a 4-coordinate geometry to one Ba(4), one Ba(6), one Ba(8), and one As(3) atom. In the twenty-first O site, O(21) is bonded in a 4-coordinate geometry to one Ba(2), one Ba(6), one Ba(7), and one As(6) atom. In the twenty-second O site, O(22) is bonded in a distorted single-bond geometry to one Ba(2), one Ba(6), one Ba(8), and one As(3) atom. In the twenty-third O site, O(23) is bonded in a distorted single-bond geometry to one Ba(2), one Ba(5), one Ba(7), and one As(2) atom. In the twenty-fourth O site, O(24) is bonded in a 4-coordinate geometry to one Ba(1), one Ba(6), one Ba(9), and one As(6) atom. There are two inequivalent Cl sites. In the first Cl site, Cl(1) is bonded to one Ba(3), one Ba(5), one Ba(6), and one Ba(8) atom to form distorted ClBa4 trigonal pyramids that share  a cornercorner with one O(9)Ba3As tetrahedra and  a cornercorner with one O(12)Ba3As trigonal pyramid. In the second Cl site, Cl(2) is bonded in a 4-coordinate geometry to one Ba(10), one Ba(6), one Ba(7), and one Ba(8) atom. is represented by the CIF card [CIF]
data_Ba10MgAs6(ClO12)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.586
_cell_length_b   10.952
_cell_length_c   8.120
_cell_angle_alpha   95.388
_cell_angle_beta   90.977
_cell_angle_gamma   117.738
_symmetry_Int_Tables_number   1
_cell_volume   827.595
_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
  Ba  Ba0  1  0.686  0.345  0.462  1.0
  Ba  Ba1  1  0.327  0.671  0.516  1.0
  Ba  Ba2  1  0.002  0.234  0.171  1.0
  Ba  Ba3  1  0.309  0.647  0.013  1.0
  Ba  Ba4  1  0.719  0.708  0.276  1.0
  Ba  Ba5  1  0.258  0.987  0.289  1.0
  Ba  Ba6  1  0.761  0.040  0.631  1.0
  Ba  Ba7  1  0.986  0.742  0.772  1.0
  Ba  Ba8  1  0.695  0.310  0.977  1.0
  Ba  Ba9  1  0.281  0.269  0.737  1.0
  Mg  Mg10  1  0.654  0.924  0.959  1.0
  As  As11  1  0.968  0.592  0.252  1.0
  As  As12  1  0.597  0.633  0.773  1.0
  As  As13  1  0.366  0.954  0.796  1.0
  As  As14  1  0.405  0.375  0.248  1.0
  As  As15  1  0.043  0.410  0.721  1.0
  As  As16  1  0.604  0.012  0.242  1.0
  Cl  Cl17  1  0.963  0.939  0.089  1.0
  Cl  Cl18  1  0.022  0.995  0.555  1.0
  O  O19  1  0.622  0.729  0.968  1.0
  O  O20  1  0.392  0.528  0.271  1.0
  O  O21  1  0.381  0.289  0.423  1.0
  O  O22  1  0.413  0.544  0.744  1.0
  O  O23  1  0.106  0.355  0.552  1.0
  O  O24  1  0.670  0.521  0.764  1.0
  O  O25  1  0.859  0.341  0.706  1.0
  O  O26  1  0.121  0.590  0.746  1.0
  O  O27  1  0.584  0.433  0.208  1.0
  O  O28  1  0.785  0.113  0.943  1.0
  O  O29  1  0.109  0.374  0.897  1.0
  O  O30  1  0.904  0.415  0.239  1.0
  O  O31  1  0.481  0.879  0.804  1.0
  O  O32  1  0.894  0.623  0.081  1.0
  O  O33  1  0.898  0.632  0.428  1.0
  O  O34  1  0.458  0.131  0.786  1.0
  O  O35  1  0.286  0.263  0.091  1.0
  O  O36  1  0.767  0.132  0.353  1.0
  O  O37  1  0.153  0.682  0.262  1.0
  O  O38  1  0.262  0.897  0.962  1.0
  O  O39  1  0.507  0.901  0.390  1.0
  O  O40  1  0.253  0.879  0.620  1.0
  O  O41  1  0.671  0.752  0.632  1.0
  O  O42  1  0.528  0.125  0.226  1.0
[/CIF]
.