The compound described by MgFe(SbO3)4 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(11), one O(3), one O(7), and one O(8) atom. Fe(1) is bonded in a 6-coordinate geometry to one O(1), one O(11), one O(4), one O(7), one O(8), and one O(9) atom. There are four inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to one O(10), one O(11), one O(2), one O(3), one O(5), and one O(8) atom to form corner-sharing SbO6 octahedra. The corner-sharing octahedral tilt angles range from 34-45°. In the second Sb site, Sb(2) is bonded to one O(1), one O(12), one O(4), one O(6), one O(7), and one O(9) atom to form corner-sharing SbO6 octahedra. The corner-sharing octahedral tilt angles range from 32-44°. In the third Sb site, Sb(3) is bonded to one O(1), one O(11), one O(12), one O(2), one O(4), and one O(9) atom to form corner-sharing SbO6 octahedra. The corner-sharing octahedral tilt angles range from 34-44°. In the fourth Sb site, Sb(4) is bonded to one O(10), one O(3), one O(5), one O(6), one O(7), and one O(8) atom to form corner-sharing SbO6 octahedra. The corner-sharing octahedral tilt angles range from 32-45°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded to one Mg(1), one Fe(1), one Sb(2), and one Sb(3) atom to form a mixture of corner and edge-sharing OMgFeSb2 trigonal pyramids. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Sb(1) and one Sb(3) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Mg(1), one Sb(1), and one Sb(4) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Fe(1), one Sb(2), and one Sb(3) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Sb(1) and one Sb(4) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one Sb(2) and one Sb(4) atom. In the seventh O site, O(7) is bonded to one Mg(1), one Fe(1), one Sb(2), and one Sb(4) atom to form a mixture of corner and edge-sharing OMgFeSb2 trigonal pyramids. In the eighth O site, O(8) is bonded to one Mg(1), one Fe(1), one Sb(1), and one Sb(4) atom to form a mixture of corner and edge-sharing OMgFeSb2 trigonal pyramids. In the ninth O site, O(9) is bonded in a T-shaped geometry to one Fe(1), one Sb(2), and one Sb(3) atom. In the tenth O site, O(10) is bonded in a T-shaped geometry to one Mg(1), one Sb(1), and one Sb(4) atom. In the eleventh O site, O(11) is bonded to one Mg(1), one Fe(1), one Sb(1), and one Sb(3) atom to form a mixture of distorted corner and edge-sharing OMgFeSb2 trigonal pyramids. In the twelfth O site, O(12) is bonded in a bent 150 degrees geometry to one Sb(2) and one Sb(3) atom. is represented by the CIF card [CIF]
data_MgFe(SbO3)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.478
_cell_length_b   11.007
_cell_length_c   9.656
_cell_angle_alpha   28.621
_cell_angle_beta   52.158
_cell_angle_gamma   57.510
_symmetry_Int_Tables_number   1
_cell_volume   220.230
_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  0.693  0.503  0.695  1.0
  Fe  Fe1  1  0.273  0.001  0.271  1.0
  Sb  Sb2  1  0.012  0.000  0.972  1.0
  Sb  Sb3  1  0.957  0.499  0.004  1.0
  Sb  Sb4  1  0.480  0.995  0.504  1.0
  Sb  Sb5  1  0.490  0.507  0.467  1.0
  O  O6  1  0.353  0.295  0.120  1.0
  O  O7  1  0.230  0.130  0.605  1.0
  O  O8  1  0.105  0.313  0.744  1.0
  O  O9  1  0.859  0.192  0.227  1.0
  O  O10  1  0.367  0.832  0.104  1.0
  O  O11  1  0.737  0.368  0.371  1.0
  O  O12  1  0.257  0.608  0.630  1.0
  O  O13  1  0.621  0.210  0.848  1.0
  O  O14  1  0.127  0.824  0.695  1.0
  O  O15  1  0.845  0.676  0.276  1.0
  O  O16  1  0.728  0.880  0.355  1.0
  O  O17  1  0.604  0.673  0.867  1.0
[/CIF]
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The compound described by MgFe(SbO3)4 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(11), one O(3), one O(7), and one O(8) atom. Fe(1) is bonded in a 6-coordinate geometry to one O(1), one O(11), one O(4), one O(7), one O(8), and one O(9) atom. There are four inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to one O(10), one O(11), one O(2), one O(3), one O(5), and one O(8) atom to form corner-sharing SbO6 octahedra. The corner-sharing octahedral tilt angles range from 34-45°. In the second Sb site, Sb(2) is bonded to one O(1), one O(12), one O(4), one O(6), one O(7), and one O(9) atom to form corner-sharing SbO6 octahedra. The corner-sharing octahedral tilt angles range from 32-44°. In the third Sb site, Sb(3) is bonded to one O(1), one O(11), one O(12), one O(2), one O(4), and one O(9) atom to form corner-sharing SbO6 octahedra. The corner-sharing octahedral tilt angles range from 34-44°. In the fourth Sb site, Sb(4) is bonded to one O(10), one O(3), one O(5), one O(6), one O(7), and one O(8) atom to form corner-sharing SbO6 octahedra. The corner-sharing octahedral tilt angles range from 32-45°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded to one Mg(1), one Fe(1), one Sb(2), and one Sb(3) atom to form a mixture of corner and edge-sharing OMgFeSb2 trigonal pyramids. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Sb(1) and one Sb(3) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Mg(1), one Sb(1), and one Sb(4) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Fe(1), one Sb(2), and one Sb(3) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Sb(1) and one Sb(4) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one Sb(2) and one Sb(4) atom. In the seventh O site, O(7) is bonded to one Mg(1), one Fe(1), one Sb(2), and one Sb(4) atom to form a mixture of corner and edge-sharing OMgFeSb2 trigonal pyramids. In the eighth O site, O(8) is bonded to one Mg(1), one Fe(1), one Sb(1), and one Sb(4) atom to form a mixture of corner and edge-sharing OMgFeSb2 trigonal pyramids. In the ninth O site, O(9) is bonded in a T-shaped geometry to one Fe(1), one Sb(2), and one Sb(3) atom. In the tenth O site, O(10) is bonded in a T-shaped geometry to one Mg(1), one Sb(1), and one Sb(4) atom. In the eleventh O site, O(11) is bonded to one Mg(1), one Fe(1), one Sb(1), and one Sb(3) atom to form a mixture of distorted corner and edge-sharing OMgFeSb2 trigonal pyramids. In the twelfth O site, O(12) is bonded in a bent 150 degrees geometry to one Sb(2) and one Sb(3) atom. is represented by the CIF card [CIF]
data_MgFe(SbO3)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.478
_cell_length_b   11.007
_cell_length_c   9.656
_cell_angle_alpha   28.621
_cell_angle_beta   52.158
_cell_angle_gamma   57.510
_symmetry_Int_Tables_number   1
_cell_volume   220.230
_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  0.693  0.503  0.695  1.0
  Fe  Fe1  1  0.273  0.001  0.271  1.0
  Sb  Sb2  1  0.012  0.000  0.972  1.0
  Sb  Sb3  1  0.957  0.499  0.004  1.0
  Sb  Sb4  1  0.480  0.995  0.504  1.0
  Sb  Sb5  1  0.490  0.507  0.467  1.0
  O  O6  1  0.353  0.295  0.120  1.0
  O  O7  1  0.230  0.130  0.605  1.0
  O  O8  1  0.105  0.313  0.744  1.0
  O  O9  1  0.859  0.192  0.227  1.0
  O  O10  1  0.367  0.832  0.104  1.0
  O  O11  1  0.737  0.368  0.371  1.0
  O  O12  1  0.257  0.608  0.630  1.0
  O  O13  1  0.621  0.210  0.848  1.0
  O  O14  1  0.127  0.824  0.695  1.0
  O  O15  1  0.845  0.676  0.276  1.0
  O  O16  1  0.728  0.880  0.355  1.0
  O  O17  1  0.604  0.673  0.867  1.0
[/CIF]
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