The material described by MgLa2Co2Sb2(PbO6)2 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 5-coordinate geometry to one Pb(1), one O(1), one O(11), one O(12), one O(4), and one O(6) atom. There are two inequivalent La sites. In the first La site, La(1) is bonded in a 7-coordinate geometry to one O(10), one O(2), one O(3), one O(6), one O(7), one O(8), and one O(9) atom. In the second La site, La(2) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(12), one O(4), one O(5), one O(7), one O(8), and one O(9) atom. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded in a distorted T-shaped geometry to one Pb(1), one O(11), one O(2), one O(4), one O(7), and one O(9) atom. In the second Co site, Co(2) is bonded in a 3-coordinate geometry to one O(1), one O(3), and one O(6) atom. There are two inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a 6-coordinate geometry to one Mg(1), one Co(1), one O(12), one O(5), one O(8), and one O(9) atom. In the second Pb site, Pb(2) is bonded in a 4-coordinate geometry to one O(11), one O(2), one O(5), and one O(7) atom. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded in an octahedral geometry to one O(10), one O(12), one O(2), one O(4), one O(6), and one O(8) atom. In the second Sb site, Sb(2) is bonded in an octahedral geometry to one O(1), one O(11), one O(3), one O(5), one O(7), and one O(9) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded to one Mg(1), one La(2), one Co(2), and one Sb(2) atom to form corner-sharing OLaMgCoSb trigonal pyramids. In the second O site, O(2) is bonded in a 4-coordinate geometry to one La(1), one Co(1), one Pb(2), and one Sb(1) atom. In the third O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to one La(1), one Co(2), and one Sb(2) atom. In the fourth O site, O(4) is bonded in a rectangular see-saw-like geometry to one Mg(1), one La(2), one Co(1), and one Sb(1) atom. In the fifth O site, O(5) is bonded to one La(2), one Pb(1), one Pb(2), and one Sb(2) atom to form distorted corner-sharing OLaSbPb2 tetrahedra. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one La(1), one Co(2), and one Sb(1) atom. In the seventh O site, O(7) is bonded in a 5-coordinate geometry to one La(1), one La(2), one Co(1), one Pb(2), and one Sb(2) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one La(1), one La(2), one Pb(1), and one Sb(1) atom. In the ninth O site, O(9) is bonded in a 5-coordinate geometry to one La(1), one La(2), one Co(1), one Pb(1), and one Sb(2) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one La(1), one La(2), and one Sb(1) atom. In the eleventh O site, O(11) is bonded in a 4-coordinate geometry to one Mg(1), one Co(1), one Pb(2), and one Sb(2) atom. In the twelfth O site, O(12) is bonded in a 4-coordinate geometry to one Mg(1), one La(2), one Pb(1), and one Sb(1) atom. is represented by the CIF file [CIF]
data_La2MgCo2Sb2(PbO6)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.026
_cell_length_b   7.253
_cell_length_c   7.365
_cell_angle_alpha   91.439
_cell_angle_beta   89.063
_cell_angle_gamma   81.874
_symmetry_Int_Tables_number   1
_cell_volume   318.486
_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
  La  La0  1  0.521  0.370  0.781  1.0
  La  La1  1  0.003  0.117  0.229  1.0
  Mg  Mg2  1  0.785  0.723  0.259  1.0
  Co  Co3  1  0.013  0.462  0.514  1.0
  Co  Co4  1  0.555  0.915  0.953  1.0
  Sb  Sb5  1  0.992  0.503  0.982  1.0
  Sb  Sb6  1  0.514  0.025  0.481  1.0
  Pb  Pb7  1  0.358  0.559  0.295  1.0
  Pb  Pb8  1  0.997  0.927  0.710  1.0
  O  O9  1  0.640  0.985  0.217  1.0
  O  O10  1  0.125  0.549  0.741  1.0
  O  O11  1  0.449  0.058  0.753  1.0
  O  O12  1  0.898  0.448  0.266  1.0
  O  O13  1  0.237  0.909  0.433  1.0
  O  O14  1  0.675  0.637  0.974  1.0
  O  O15  1  0.782  0.167  0.524  1.0
  O  O16  1  0.288  0.360  0.047  1.0
  O  O17  1  0.322  0.271  0.454  1.0
  O  O18  1  0.873  0.265  0.930  1.0
  O  O19  1  0.722  0.785  0.521  1.0
  O  O20  1  0.073  0.735  0.111  1.0
[/CIF]
.
The material described by MgLa2Co2Sb2(PbO6)2 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 5-coordinate geometry to one Pb(1), one O(1), one O(11), one O(12), one O(4), and one O(6) atom. There are two inequivalent La sites. In the first La site, La(1) is bonded in a 7-coordinate geometry to one O(10), one O(2), one O(3), one O(6), one O(7), one O(8), and one O(9) atom. In the second La site, La(2) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(12), one O(4), one O(5), one O(7), one O(8), and one O(9) atom. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded in a distorted T-shaped geometry to one Pb(1), one O(11), one O(2), one O(4), one O(7), and one O(9) atom. In the second Co site, Co(2) is bonded in a 3-coordinate geometry to one O(1), one O(3), and one O(6) atom. There are two inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a 6-coordinate geometry to one Mg(1), one Co(1), one O(12), one O(5), one O(8), and one O(9) atom. In the second Pb site, Pb(2) is bonded in a 4-coordinate geometry to one O(11), one O(2), one O(5), and one O(7) atom. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded in an octahedral geometry to one O(10), one O(12), one O(2), one O(4), one O(6), and one O(8) atom. In the second Sb site, Sb(2) is bonded in an octahedral geometry to one O(1), one O(11), one O(3), one O(5), one O(7), and one O(9) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded to one Mg(1), one La(2), one Co(2), and one Sb(2) atom to form corner-sharing OLaMgCoSb trigonal pyramids. In the second O site, O(2) is bonded in a 4-coordinate geometry to one La(1), one Co(1), one Pb(2), and one Sb(1) atom. In the third O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to one La(1), one Co(2), and one Sb(2) atom. In the fourth O site, O(4) is bonded in a rectangular see-saw-like geometry to one Mg(1), one La(2), one Co(1), and one Sb(1) atom. In the fifth O site, O(5) is bonded to one La(2), one Pb(1), one Pb(2), and one Sb(2) atom to form distorted corner-sharing OLaSbPb2 tetrahedra. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one La(1), one Co(2), and one Sb(1) atom. In the seventh O site, O(7) is bonded in a 5-coordinate geometry to one La(1), one La(2), one Co(1), one Pb(2), and one Sb(2) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one La(1), one La(2), one Pb(1), and one Sb(1) atom. In the ninth O site, O(9) is bonded in a 5-coordinate geometry to one La(1), one La(2), one Co(1), one Pb(1), and one Sb(2) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one La(1), one La(2), and one Sb(1) atom. In the eleventh O site, O(11) is bonded in a 4-coordinate geometry to one Mg(1), one Co(1), one Pb(2), and one Sb(2) atom. In the twelfth O site, O(12) is bonded in a 4-coordinate geometry to one Mg(1), one La(2), one Pb(1), and one Sb(1) atom. is represented by the CIF file [CIF]
data_La2MgCo2Sb2(PbO6)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.026
_cell_length_b   7.253
_cell_length_c   7.365
_cell_angle_alpha   91.439
_cell_angle_beta   89.063
_cell_angle_gamma   81.874
_symmetry_Int_Tables_number   1
_cell_volume   318.486
_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
  La  La0  1  0.521  0.370  0.781  1.0
  La  La1  1  0.003  0.117  0.229  1.0
  Mg  Mg2  1  0.785  0.723  0.259  1.0
  Co  Co3  1  0.013  0.462  0.514  1.0
  Co  Co4  1  0.555  0.915  0.953  1.0
  Sb  Sb5  1  0.992  0.503  0.982  1.0
  Sb  Sb6  1  0.514  0.025  0.481  1.0
  Pb  Pb7  1  0.358  0.559  0.295  1.0
  Pb  Pb8  1  0.997  0.927  0.710  1.0
  O  O9  1  0.640  0.985  0.217  1.0
  O  O10  1  0.125  0.549  0.741  1.0
  O  O11  1  0.449  0.058  0.753  1.0
  O  O12  1  0.898  0.448  0.266  1.0
  O  O13  1  0.237  0.909  0.433  1.0
  O  O14  1  0.675  0.637  0.974  1.0
  O  O15  1  0.782  0.167  0.524  1.0
  O  O16  1  0.288  0.360  0.047  1.0
  O  O17  1  0.322  0.271  0.454  1.0
  O  O18  1  0.873  0.265  0.930  1.0
  O  O19  1  0.722  0.785  0.521  1.0
  O  O20  1  0.073  0.735  0.111  1.0
[/CIF]
.