The structure described by Mn5Sb3O16 is Rutile-derived structured and crystallizes in the monoclinic Cm space group. There are four inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(2), one O(8), two equivalent O(1), and two equivalent O(6) atoms to form MnO6 octahedra that share corners with two equivalent Sb(2)O6 octahedra, corners with four equivalent Mn(4)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 51-53°. In the second Mn site, Mn(2) is bonded to one O(3), one O(4), two equivalent O(11), and two equivalent O(6) atoms to form MnO6 octahedra that share corners with two equivalent Mn(3)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra, and edges with four equivalent Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles are 51°. In the third Mn site, Mn(3) is bonded to one O(12), one O(7), two equivalent O(11), and two equivalent O(9) atoms to form MnO6 octahedra that share corners with two equivalent Mn(2)O6 octahedra, corners with four equivalent Sb(1)O6 octahedra,  an edgeedge with one Sb(2)O6 octahedra, and edges with two equivalent Mn(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 51-54°. In the fourth Mn site, Mn(4) is bonded to one O(1), one O(10), one O(12), one O(5), one O(8), and one O(9) atom to form MnO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra,  an edgeedge with one Mn(3)O6 octahedra, edges with two equivalent Mn(4)O6 octahedra, and edges with two equivalent Sb(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 51-53°. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to one O(11), one O(2), one O(3), one O(4), one O(6), and one O(7) atom to form SbO6 octahedra that share corners with two equivalent Mn(3)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra, edges with two equivalent Mn(2)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 51-54°. In the second Sb site, Sb(2) is bonded to one O(10), one O(5), two equivalent O(1), and two equivalent O(9) atoms to form SbO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra,  an edgeedge with one Mn(3)O6 octahedra, and edges with four equivalent Mn(4)O6 octahedra. The corner-sharing octahedral tilt angles are 52°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Mn(1), one Mn(4), and one Sb(2) atom. In the second O site, O(2) is bonded in a distorted T-shaped geometry to one Mn(1) and two equivalent Sb(1) atoms. In the third O site, O(3) is bonded in a distorted T-shaped geometry to one Mn(2) and two equivalent Sb(1) atoms. In the fourth O site, O(4) is bonded in a distorted T-shaped geometry to one Mn(2) and two equivalent Sb(1) atoms. In the fifth O site, O(5) is bonded in a distorted trigonal non-coplanar geometry to two equivalent Mn(4) and one Sb(2) atom. In the sixth O site, O(6) is bonded in a distorted trigonal non-coplanar geometry to one Mn(1), one Mn(2), and one Sb(1) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Mn(3) and two equivalent Sb(1) atoms. In the eighth O site, O(8) is bonded in a trigonal planar geometry to one Mn(1) and two equivalent Mn(4) atoms. In the ninth O site, O(9) is bonded in a distorted trigonal non-coplanar geometry to one Mn(3), one Mn(4), and one Sb(2) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to two equivalent Mn(4) and one Sb(2) atom. In the eleventh O site, O(11) is bonded in a trigonal planar geometry to one Mn(2), one Mn(3), and one Sb(1) atom. In the twelfth O site, O(12) is bonded in a distorted trigonal non-coplanar geometry to one Mn(3) and two equivalent Mn(4) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Mn5Sb3O16
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.127
_cell_length_b   6.049
_cell_length_c   9.107
_cell_angle_alpha   89.993
_cell_angle_beta   88.929
_cell_angle_gamma   119.575
_symmetry_Int_Tables_number   1
_cell_volume   293.440
_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
  Mn  Mn0  1  0.344  0.672  0.495  1.0
  Mn  Mn1  1  0.660  0.830  0.212  1.0
  Mn  Mn2  1  0.683  0.341  0.985  1.0
  Mn  Mn3  1  0.832  0.667  0.709  1.0
  Mn  Mn4  1  0.832  0.165  0.709  1.0
  Sb  Sb5  1  0.160  0.826  0.210  1.0
  Sb  Sb6  1  0.160  0.333  0.210  1.0
  Sb  Sb7  1  0.337  0.168  0.711  1.0
  O  O8  1  0.173  0.834  0.605  1.0
  O  O9  1  0.028  0.514  0.340  1.0
  O  O10  1  0.309  0.655  0.087  1.0
  O  O11  1  0.015  0.007  0.324  1.0
  O  O12  1  0.994  0.997  0.813  1.0
  O  O13  1  0.173  0.339  0.605  1.0
  O  O14  1  0.467  0.947  0.337  1.0
  O  O15  1  0.467  0.520  0.337  1.0
  O  O16  1  0.337  0.169  0.098  1.0
  O  O17  1  0.679  0.839  0.608  1.0
  O  O18  1  0.530  0.481  0.840  1.0
  O  O19  1  0.529  0.049  0.840  1.0
  O  O20  1  0.673  0.336  0.599  1.0
  O  O21  1  0.836  0.672  0.103  1.0
  O  O22  1  0.946  0.473  0.835  1.0
  O  O23  1  0.836  0.164  0.103  1.0
[/CIF]
.
The structure described by Mn5Sb3O16 is Rutile-derived structured and crystallizes in the monoclinic Cm space group. There are four inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(2), one O(8), two equivalent O(1), and two equivalent O(6) atoms to form MnO6 octahedra that share corners with two equivalent Sb(2)O6 octahedra, corners with four equivalent Mn(4)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 51-53°. In the second Mn site, Mn(2) is bonded to one O(3), one O(4), two equivalent O(11), and two equivalent O(6) atoms to form MnO6 octahedra that share corners with two equivalent Mn(3)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra, and edges with four equivalent Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles are 51°. In the third Mn site, Mn(3) is bonded to one O(12), one O(7), two equivalent O(11), and two equivalent O(9) atoms to form MnO6 octahedra that share corners with two equivalent Mn(2)O6 octahedra, corners with four equivalent Sb(1)O6 octahedra,  an edgeedge with one Sb(2)O6 octahedra, and edges with two equivalent Mn(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 51-54°. In the fourth Mn site, Mn(4) is bonded to one O(1), one O(10), one O(12), one O(5), one O(8), and one O(9) atom to form MnO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra,  an edgeedge with one Mn(3)O6 octahedra, edges with two equivalent Mn(4)O6 octahedra, and edges with two equivalent Sb(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 51-53°. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to one O(11), one O(2), one O(3), one O(4), one O(6), and one O(7) atom to form SbO6 octahedra that share corners with two equivalent Mn(3)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra, edges with two equivalent Mn(2)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 51-54°. In the second Sb site, Sb(2) is bonded to one O(10), one O(5), two equivalent O(1), and two equivalent O(9) atoms to form SbO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra,  an edgeedge with one Mn(3)O6 octahedra, and edges with four equivalent Mn(4)O6 octahedra. The corner-sharing octahedral tilt angles are 52°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Mn(1), one Mn(4), and one Sb(2) atom. In the second O site, O(2) is bonded in a distorted T-shaped geometry to one Mn(1) and two equivalent Sb(1) atoms. In the third O site, O(3) is bonded in a distorted T-shaped geometry to one Mn(2) and two equivalent Sb(1) atoms. In the fourth O site, O(4) is bonded in a distorted T-shaped geometry to one Mn(2) and two equivalent Sb(1) atoms. In the fifth O site, O(5) is bonded in a distorted trigonal non-coplanar geometry to two equivalent Mn(4) and one Sb(2) atom. In the sixth O site, O(6) is bonded in a distorted trigonal non-coplanar geometry to one Mn(1), one Mn(2), and one Sb(1) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Mn(3) and two equivalent Sb(1) atoms. In the eighth O site, O(8) is bonded in a trigonal planar geometry to one Mn(1) and two equivalent Mn(4) atoms. In the ninth O site, O(9) is bonded in a distorted trigonal non-coplanar geometry to one Mn(3), one Mn(4), and one Sb(2) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to two equivalent Mn(4) and one Sb(2) atom. In the eleventh O site, O(11) is bonded in a trigonal planar geometry to one Mn(2), one Mn(3), and one Sb(1) atom. In the twelfth O site, O(12) is bonded in a distorted trigonal non-coplanar geometry to one Mn(3) and two equivalent Mn(4) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Mn5Sb3O16
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.127
_cell_length_b   6.049
_cell_length_c   9.107
_cell_angle_alpha   89.993
_cell_angle_beta   88.929
_cell_angle_gamma   119.575
_symmetry_Int_Tables_number   1
_cell_volume   293.440
_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
  Mn  Mn0  1  0.344  0.672  0.495  1.0
  Mn  Mn1  1  0.660  0.830  0.212  1.0
  Mn  Mn2  1  0.683  0.341  0.985  1.0
  Mn  Mn3  1  0.832  0.667  0.709  1.0
  Mn  Mn4  1  0.832  0.165  0.709  1.0
  Sb  Sb5  1  0.160  0.826  0.210  1.0
  Sb  Sb6  1  0.160  0.333  0.210  1.0
  Sb  Sb7  1  0.337  0.168  0.711  1.0
  O  O8  1  0.173  0.834  0.605  1.0
  O  O9  1  0.028  0.514  0.340  1.0
  O  O10  1  0.309  0.655  0.087  1.0
  O  O11  1  0.015  0.007  0.324  1.0
  O  O12  1  0.994  0.997  0.813  1.0
  O  O13  1  0.173  0.339  0.605  1.0
  O  O14  1  0.467  0.947  0.337  1.0
  O  O15  1  0.467  0.520  0.337  1.0
  O  O16  1  0.337  0.169  0.098  1.0
  O  O17  1  0.679  0.839  0.608  1.0
  O  O18  1  0.530  0.481  0.840  1.0
  O  O19  1  0.529  0.049  0.840  1.0
  O  O20  1  0.673  0.336  0.599  1.0
  O  O21  1  0.836  0.672  0.103  1.0
  O  O22  1  0.946  0.473  0.835  1.0
  O  O23  1  0.836  0.164  0.103  1.0
[/CIF]
.