The material structure described by Er2Mn3Sb3O14 crystallizes in the monoclinic C2/m space group. Er(1) is bonded in a distorted body-centered cubic geometry to two equivalent O(1), two equivalent O(3), two equivalent O(4), and two equivalent O(5) atoms. There are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to two equivalent O(1), two equivalent O(2), and four equivalent O(5) atoms to form distorted MnO8 hexagonal bipyramids that share edges with two equivalent Sb(2)O6 octahedra and edges with four equivalent Sb(1)O6 octahedra. In the second Mn site, Mn(2) is bonded in a distorted body-centered cubic geometry to two equivalent O(1), two equivalent O(2), and four equivalent O(4) atoms. In the third Mn site, Mn(3) is bonded to two equivalent O(3) and four equivalent O(4) atoms to form MnO6 octahedra that share corners with two equivalent Sb(2)O6 octahedra and corners with four equivalent Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-55°. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(5) atoms to form SbO6 octahedra that share corners with two equivalent Mn(3)O6 octahedra, corners with two equivalent Sb(1)O6 octahedra, corners with two equivalent Sb(2)O6 octahedra, and edges with two equivalent Mn(1)O8 hexagonal bipyramids. The corner-sharing octahedral tilt angles range from 48-50°. In the second Sb site, Sb(2) is bonded to two equivalent O(3) and four equivalent O(5) atoms to form SbO6 octahedra that share corners with two equivalent Mn(3)O6 octahedra, corners with four equivalent Sb(1)O6 octahedra, and edges with two equivalent Mn(1)O8 hexagonal bipyramids. The corner-sharing octahedral tilt angles range from 48-55°. There are five inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Er(1), one Mn(1), and one Mn(2) atom to form OEr2Mn2 tetrahedra that share corners with two equivalent O(3)Er2MnSb tetrahedra, corners with two equivalent O(2)Mn2Sb2 tetrahedra, corners with four equivalent O(1)Er2Mn2 tetrahedra, corners with four equivalent O(5)ErMnSb2 tetrahedra,  an edgeedge with one O(3)Er2MnSb tetrahedra,  an edgeedge with one O(2)Mn2Sb2 tetrahedra, and edges with two equivalent O(5)ErMnSb2 tetrahedra. In the second O site, O(2) is bonded to one Mn(1), one Mn(2), and two equivalent Sb(1) atoms to form distorted OMn2Sb2 tetrahedra that share corners with two equivalent O(1)Er2Mn2 tetrahedra, corners with four equivalent O(5)ErMnSb2 tetrahedra, corners with four equivalent O(2)Mn2Sb2 tetrahedra,  an edgeedge with one O(1)Er2Mn2 tetrahedra, and edges with two equivalent O(5)ErMnSb2 tetrahedra. In the third O site, O(3) is bonded to two equivalent Er(1), one Mn(3), and one Sb(2) atom to form distorted OEr2MnSb tetrahedra that share corners with two equivalent O(1)Er2Mn2 tetrahedra, corners with four equivalent O(3)Er2MnSb tetrahedra, corners with four equivalent O(5)ErMnSb2 tetrahedra,  an edgeedge with one O(1)Er2Mn2 tetrahedra, and edges with two equivalent O(5)ErMnSb2 tetrahedra. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Er(1), one Mn(2), one Mn(3), and one Sb(1) atom. In the fifth O site, O(5) is bonded to one Er(1), one Mn(1), one Sb(1), and one Sb(2) atom to form distorted OErMnSb2 tetrahedra that share corners with two equivalent O(1)Er2Mn2 tetrahedra, corners with two equivalent O(3)Er2MnSb tetrahedra, corners with two equivalent O(2)Mn2Sb2 tetrahedra, corners with six equivalent O(5)ErMnSb2 tetrahedra,  an edgeedge with one O(1)Er2Mn2 tetrahedra,  an edgeedge with one O(3)Er2MnSb tetrahedra,  an edgeedge with one O(5)ErMnSb2 tetrahedra, and  an edgeedge with one O(2)Mn2Sb2 tetrahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Er2Mn3Sb3O14
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.159
_cell_length_b   7.159
_cell_length_c   7.253
_cell_angle_alpha   61.299
_cell_angle_beta   61.299
_cell_angle_gamma   61.500
_symmetry_Int_Tables_number   1
_cell_volume   270.951
_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
  Er  Er0  1  0.500  0.000  0.500  1.0
  Er  Er1  1  0.000  0.500  0.500  1.0
  Mn  Mn2  1  0.000  0.000  0.500  1.0
  Mn  Mn3  1  0.000  0.000  0.000  1.0
  Mn  Mn4  1  0.500  0.500  0.000  1.0
  Sb  Sb5  1  0.000  0.500  0.000  1.0
  Sb  Sb6  1  0.500  0.000  0.000  1.0
  Sb  Sb7  1  0.500  0.500  0.500  1.0
  O  O8  1  0.879  0.879  0.374  1.0
  O  O9  1  0.121  0.121  0.626  1.0
  O  O10  1  0.170  0.170  0.074  1.0
  O  O11  1  0.592  0.592  0.648  1.0
  O  O12  1  0.172  0.572  0.089  1.0
  O  O13  1  0.579  0.169  0.673  1.0
  O  O14  1  0.572  0.172  0.089  1.0
  O  O15  1  0.169  0.579  0.673  1.0
  O  O16  1  0.830  0.830  0.926  1.0
  O  O17  1  0.408  0.408  0.352  1.0
  O  O18  1  0.828  0.428  0.911  1.0
  O  O19  1  0.421  0.831  0.327  1.0
  O  O20  1  0.428  0.828  0.911  1.0
  O  O21  1  0.831  0.421  0.327  1.0
[/CIF]
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The material structure described by Er2Mn3Sb3O14 crystallizes in the monoclinic C2/m space group. Er(1) is bonded in a distorted body-centered cubic geometry to two equivalent O(1), two equivalent O(3), two equivalent O(4), and two equivalent O(5) atoms. There are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to two equivalent O(1), two equivalent O(2), and four equivalent O(5) atoms to form distorted MnO8 hexagonal bipyramids that share edges with two equivalent Sb(2)O6 octahedra and edges with four equivalent Sb(1)O6 octahedra. In the second Mn site, Mn(2) is bonded in a distorted body-centered cubic geometry to two equivalent O(1), two equivalent O(2), and four equivalent O(4) atoms. In the third Mn site, Mn(3) is bonded to two equivalent O(3) and four equivalent O(4) atoms to form MnO6 octahedra that share corners with two equivalent Sb(2)O6 octahedra and corners with four equivalent Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-55°. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(5) atoms to form SbO6 octahedra that share corners with two equivalent Mn(3)O6 octahedra, corners with two equivalent Sb(1)O6 octahedra, corners with two equivalent Sb(2)O6 octahedra, and edges with two equivalent Mn(1)O8 hexagonal bipyramids. The corner-sharing octahedral tilt angles range from 48-50°. In the second Sb site, Sb(2) is bonded to two equivalent O(3) and four equivalent O(5) atoms to form SbO6 octahedra that share corners with two equivalent Mn(3)O6 octahedra, corners with four equivalent Sb(1)O6 octahedra, and edges with two equivalent Mn(1)O8 hexagonal bipyramids. The corner-sharing octahedral tilt angles range from 48-55°. There are five inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Er(1), one Mn(1), and one Mn(2) atom to form OEr2Mn2 tetrahedra that share corners with two equivalent O(3)Er2MnSb tetrahedra, corners with two equivalent O(2)Mn2Sb2 tetrahedra, corners with four equivalent O(1)Er2Mn2 tetrahedra, corners with four equivalent O(5)ErMnSb2 tetrahedra,  an edgeedge with one O(3)Er2MnSb tetrahedra,  an edgeedge with one O(2)Mn2Sb2 tetrahedra, and edges with two equivalent O(5)ErMnSb2 tetrahedra. In the second O site, O(2) is bonded to one Mn(1), one Mn(2), and two equivalent Sb(1) atoms to form distorted OMn2Sb2 tetrahedra that share corners with two equivalent O(1)Er2Mn2 tetrahedra, corners with four equivalent O(5)ErMnSb2 tetrahedra, corners with four equivalent O(2)Mn2Sb2 tetrahedra,  an edgeedge with one O(1)Er2Mn2 tetrahedra, and edges with two equivalent O(5)ErMnSb2 tetrahedra. In the third O site, O(3) is bonded to two equivalent Er(1), one Mn(3), and one Sb(2) atom to form distorted OEr2MnSb tetrahedra that share corners with two equivalent O(1)Er2Mn2 tetrahedra, corners with four equivalent O(3)Er2MnSb tetrahedra, corners with four equivalent O(5)ErMnSb2 tetrahedra,  an edgeedge with one O(1)Er2Mn2 tetrahedra, and edges with two equivalent O(5)ErMnSb2 tetrahedra. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Er(1), one Mn(2), one Mn(3), and one Sb(1) atom. In the fifth O site, O(5) is bonded to one Er(1), one Mn(1), one Sb(1), and one Sb(2) atom to form distorted OErMnSb2 tetrahedra that share corners with two equivalent O(1)Er2Mn2 tetrahedra, corners with two equivalent O(3)Er2MnSb tetrahedra, corners with two equivalent O(2)Mn2Sb2 tetrahedra, corners with six equivalent O(5)ErMnSb2 tetrahedra,  an edgeedge with one O(1)Er2Mn2 tetrahedra,  an edgeedge with one O(3)Er2MnSb tetrahedra,  an edgeedge with one O(5)ErMnSb2 tetrahedra, and  an edgeedge with one O(2)Mn2Sb2 tetrahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Er2Mn3Sb3O14
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.159
_cell_length_b   7.159
_cell_length_c   7.253
_cell_angle_alpha   61.299
_cell_angle_beta   61.299
_cell_angle_gamma   61.500
_symmetry_Int_Tables_number   1
_cell_volume   270.951
_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
  Er  Er0  1  0.500  0.000  0.500  1.0
  Er  Er1  1  0.000  0.500  0.500  1.0
  Mn  Mn2  1  0.000  0.000  0.500  1.0
  Mn  Mn3  1  0.000  0.000  0.000  1.0
  Mn  Mn4  1  0.500  0.500  0.000  1.0
  Sb  Sb5  1  0.000  0.500  0.000  1.0
  Sb  Sb6  1  0.500  0.000  0.000  1.0
  Sb  Sb7  1  0.500  0.500  0.500  1.0
  O  O8  1  0.879  0.879  0.374  1.0
  O  O9  1  0.121  0.121  0.626  1.0
  O  O10  1  0.170  0.170  0.074  1.0
  O  O11  1  0.592  0.592  0.648  1.0
  O  O12  1  0.172  0.572  0.089  1.0
  O  O13  1  0.579  0.169  0.673  1.0
  O  O14  1  0.572  0.172  0.089  1.0
  O  O15  1  0.169  0.579  0.673  1.0
  O  O16  1  0.830  0.830  0.926  1.0
  O  O17  1  0.408  0.408  0.352  1.0
  O  O18  1  0.828  0.428  0.911  1.0
  O  O19  1  0.421  0.831  0.327  1.0
  O  O20  1  0.428  0.828  0.911  1.0
  O  O21  1  0.831  0.421  0.327  1.0
[/CIF]
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