The crystal structure described by MgTb2Mo2(O4Cl)2 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 6-coordinate geometry to one O(1), one O(3), one O(4), one O(8), one Cl(1), and one Cl(2) atom. There are two inequivalent Tb sites. In the first Tb site, Tb(1) is bonded in a 8-coordinate geometry to one O(1), one O(2), one O(4), one O(5), one O(6), one O(7), one Cl(1), and one Cl(2) atom. In the second Tb site, Tb(2) is bonded in a 8-coordinate geometry to one O(2), one O(3), one O(5), one O(6), one O(7), one O(8), one Cl(1), and one Cl(2) atom. There are two inequivalent Mo sites. In the first Mo site, Mo(1) is bonded in a distorted tetrahedral geometry to one O(1), one O(5), one O(7), and one O(8) atom. In the second Mo site, Mo(2) is bonded in a distorted tetrahedral geometry to one O(2), one O(3), one O(4), and one O(6) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a T-shaped geometry to one Mg(1), one Tb(1), and one Mo(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Tb(1), one Tb(2), and one Mo(2) atom. In the third O site, O(3) is bonded in a T-shaped geometry to one Mg(1), one Tb(2), and one Mo(2) atom. In the fourth O site, O(4) is bonded in a T-shaped geometry to one Mg(1), one Tb(1), and one Mo(2) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Tb(1), one Tb(2), and one Mo(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal non-coplanar geometry to one Tb(1), one Tb(2), and one Mo(2) atom. In the seventh O site, O(7) is bonded in a distorted trigonal non-coplanar geometry to one Tb(1), one Tb(2), and one Mo(1) atom. In the eighth O site, O(8) is bonded in a T-shaped geometry to one Mg(1), one Tb(2), and one Mo(1) atom. There are two inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a distorted trigonal non-coplanar geometry to one Mg(1), one Tb(1), and one Tb(2) atom. In the second Cl site, Cl(2) is bonded in a distorted trigonal non-coplanar geometry to one Mg(1), one Tb(1), and one Tb(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Tb2MgMo2(ClO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.489
_cell_length_b   6.502
_cell_length_c   6.978
_cell_angle_alpha   73.420
_cell_angle_beta   73.386
_cell_angle_gamma   66.849
_symmetry_Int_Tables_number   1
_cell_volume   254.345
_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
  Tb  Tb0  1  0.233  0.243  0.892  1.0
  Tb  Tb1  1  0.756  0.766  0.108  1.0
  Mg  Mg2  1  0.688  0.312  0.500  1.0
  Mo  Mo3  1  0.362  0.354  0.267  1.0
  Mo  Mo4  1  0.644  0.638  0.733  1.0
  Cl  Cl5  1  0.949  0.049  0.249  1.0
  Cl  Cl6  1  0.951  0.051  0.751  1.0
  O  O7  1  0.383  0.240  0.542  1.0
  O  O8  1  0.485  0.878  0.869  1.0
  O  O9  1  0.758  0.618  0.458  1.0
  O  O10  1  0.475  0.449  0.772  1.0
  O  O11  1  0.121  0.512  0.132  1.0
  O  O12  1  0.903  0.541  0.848  1.0
  O  O13  1  0.459  0.096  0.152  1.0
  O  O14  1  0.551  0.524  0.228  1.0
[/CIF]
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The crystal structure described by MgTb2Mo2(O4Cl)2 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 6-coordinate geometry to one O(1), one O(3), one O(4), one O(8), one Cl(1), and one Cl(2) atom. There are two inequivalent Tb sites. In the first Tb site, Tb(1) is bonded in a 8-coordinate geometry to one O(1), one O(2), one O(4), one O(5), one O(6), one O(7), one Cl(1), and one Cl(2) atom. In the second Tb site, Tb(2) is bonded in a 8-coordinate geometry to one O(2), one O(3), one O(5), one O(6), one O(7), one O(8), one Cl(1), and one Cl(2) atom. There are two inequivalent Mo sites. In the first Mo site, Mo(1) is bonded in a distorted tetrahedral geometry to one O(1), one O(5), one O(7), and one O(8) atom. In the second Mo site, Mo(2) is bonded in a distorted tetrahedral geometry to one O(2), one O(3), one O(4), and one O(6) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a T-shaped geometry to one Mg(1), one Tb(1), and one Mo(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Tb(1), one Tb(2), and one Mo(2) atom. In the third O site, O(3) is bonded in a T-shaped geometry to one Mg(1), one Tb(2), and one Mo(2) atom. In the fourth O site, O(4) is bonded in a T-shaped geometry to one Mg(1), one Tb(1), and one Mo(2) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Tb(1), one Tb(2), and one Mo(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal non-coplanar geometry to one Tb(1), one Tb(2), and one Mo(2) atom. In the seventh O site, O(7) is bonded in a distorted trigonal non-coplanar geometry to one Tb(1), one Tb(2), and one Mo(1) atom. In the eighth O site, O(8) is bonded in a T-shaped geometry to one Mg(1), one Tb(2), and one Mo(1) atom. There are two inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a distorted trigonal non-coplanar geometry to one Mg(1), one Tb(1), and one Tb(2) atom. In the second Cl site, Cl(2) is bonded in a distorted trigonal non-coplanar geometry to one Mg(1), one Tb(1), and one Tb(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Tb2MgMo2(ClO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.489
_cell_length_b   6.502
_cell_length_c   6.978
_cell_angle_alpha   73.420
_cell_angle_beta   73.386
_cell_angle_gamma   66.849
_symmetry_Int_Tables_number   1
_cell_volume   254.345
_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
  Tb  Tb0  1  0.233  0.243  0.892  1.0
  Tb  Tb1  1  0.756  0.766  0.108  1.0
  Mg  Mg2  1  0.688  0.312  0.500  1.0
  Mo  Mo3  1  0.362  0.354  0.267  1.0
  Mo  Mo4  1  0.644  0.638  0.733  1.0
  Cl  Cl5  1  0.949  0.049  0.249  1.0
  Cl  Cl6  1  0.951  0.051  0.751  1.0
  O  O7  1  0.383  0.240  0.542  1.0
  O  O8  1  0.485  0.878  0.869  1.0
  O  O9  1  0.758  0.618  0.458  1.0
  O  O10  1  0.475  0.449  0.772  1.0
  O  O11  1  0.121  0.512  0.132  1.0
  O  O12  1  0.903  0.541  0.848  1.0
  O  O13  1  0.459  0.096  0.152  1.0
  O  O14  1  0.551  0.524  0.228  1.0
[/CIF]
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