The compound described by Sr2Mg(MoO4)2 crystallizes in the triclinic P1 space group. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 6-coordinate geometry to one O(2), one O(3), one O(5), one O(6), one O(7), and one O(8) atom. In the second Sr site, Sr(2) is bonded in a 8-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom. Mg(1) is bonded in an octahedral geometry to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(8) atom. There are two inequivalent Mo sites. In the first Mo site, Mo(1) is bonded in a 6-coordinate geometry to one O(2), one O(3), one O(5), one O(6), one O(7), and one O(8) atom. In the second Mo site, Mo(2) is bonded in a 4-coordinate geometry to one O(1), one O(3), one O(4), one O(6), and one O(7) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Sr(2), one Mg(1), and one Mo(2) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Sr(1), one Sr(2), one Mg(1), and one Mo(1) atom. In the third O site, O(3) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(2), one Mg(1), one Mo(1), and one Mo(2) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Sr(2), one Mg(1), and one Mo(2) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Sr(1), one Sr(2), one Mg(1), and one Mo(1) atom. In the sixth O site, O(6) is bonded in a distorted tetrahedral geometry to one Sr(1), one Sr(2), one Mo(1), and one Mo(2) atom. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Sr(1), one Sr(2), one Mo(1), and one Mo(2) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Sr(1), one Sr(2), one Mg(1), and one Mo(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Sr2Mg(MoO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.667
_cell_length_b   5.480
_cell_length_c   7.525
_cell_angle_alpha   114.155
_cell_angle_beta   114.253
_cell_angle_gamma   83.014
_symmetry_Int_Tables_number   1
_cell_volume   194.141
_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
  Sr  Sr0  1  0.648  0.899  0.295  1.0
  Sr  Sr1  1  0.377  0.124  0.756  1.0
  Mg  Mg2  1  0.066  0.816  0.129  1.0
  Mo  Mo3  1  0.165  0.417  0.330  1.0
  Mo  Mo4  1  0.844  0.586  0.681  1.0
  O  O5  1  0.150  0.529  0.887  1.0
  O  O6  1  0.374  0.722  0.401  1.0
  O  O7  1  0.024  0.188  0.406  1.0
  O  O8  1  0.741  0.855  0.887  1.0
  O  O9  1  0.262  0.116  0.136  1.0
  O  O10  1  0.995  0.746  0.570  1.0
  O  O11  1  0.573  0.327  0.570  1.0
  O  O12  1  0.876  0.521  0.137  1.0
[/CIF]
.
The compound described by Sr2Mg(MoO4)2 crystallizes in the triclinic P1 space group. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 6-coordinate geometry to one O(2), one O(3), one O(5), one O(6), one O(7), and one O(8) atom. In the second Sr site, Sr(2) is bonded in a 8-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom. Mg(1) is bonded in an octahedral geometry to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(8) atom. There are two inequivalent Mo sites. In the first Mo site, Mo(1) is bonded in a 6-coordinate geometry to one O(2), one O(3), one O(5), one O(6), one O(7), and one O(8) atom. In the second Mo site, Mo(2) is bonded in a 4-coordinate geometry to one O(1), one O(3), one O(4), one O(6), and one O(7) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Sr(2), one Mg(1), and one Mo(2) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Sr(1), one Sr(2), one Mg(1), and one Mo(1) atom. In the third O site, O(3) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(2), one Mg(1), one Mo(1), and one Mo(2) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Sr(2), one Mg(1), and one Mo(2) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Sr(1), one Sr(2), one Mg(1), and one Mo(1) atom. In the sixth O site, O(6) is bonded in a distorted tetrahedral geometry to one Sr(1), one Sr(2), one Mo(1), and one Mo(2) atom. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Sr(1), one Sr(2), one Mo(1), and one Mo(2) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Sr(1), one Sr(2), one Mg(1), and one Mo(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Sr2Mg(MoO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.667
_cell_length_b   5.480
_cell_length_c   7.525
_cell_angle_alpha   114.155
_cell_angle_beta   114.253
_cell_angle_gamma   83.014
_symmetry_Int_Tables_number   1
_cell_volume   194.141
_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
  Sr  Sr0  1  0.648  0.899  0.295  1.0
  Sr  Sr1  1  0.377  0.124  0.756  1.0
  Mg  Mg2  1  0.066  0.816  0.129  1.0
  Mo  Mo3  1  0.165  0.417  0.330  1.0
  Mo  Mo4  1  0.844  0.586  0.681  1.0
  O  O5  1  0.150  0.529  0.887  1.0
  O  O6  1  0.374  0.722  0.401  1.0
  O  O7  1  0.024  0.188  0.406  1.0
  O  O8  1  0.741  0.855  0.887  1.0
  O  O9  1  0.262  0.116  0.136  1.0
  O  O10  1  0.995  0.746  0.570  1.0
  O  O11  1  0.573  0.327  0.570  1.0
  O  O12  1  0.876  0.521  0.137  1.0
[/CIF]
.