The material structure described by Sr3Sb3N5 is Chalcostibite-like structured and crystallizes in the triclinic P-1 space group. There are three inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 3-coordinate geometry to one N(4) and two equivalent N(2) atoms. In the second Sr site, Sr(2) is bonded in a 5-coordinate geometry to one N(1), one N(3), one N(4), and two equivalent N(5) atoms. In the third Sr site, Sr(3) is bonded in a 4-coordinate geometry to one N(1), one N(2), one N(3), and one N(4) atom. There are three inequivalent Sb sites. In the first Sb site, Sb(1) is bonded in a distorted trigonal non-coplanar geometry to one N(5) and two equivalent N(3) atoms. In the second Sb site, Sb(2) is bonded in a distorted trigonal non-coplanar geometry to one N(1), one N(2), and one N(4) atom. In the third Sb site, Sb(3) is bonded in a 3-coordinate geometry to one N(1), one N(4), and one N(5) atom. There are five inequivalent N sites. In the first N site, N(1) is bonded to one Sr(2), one Sr(3), one Sb(2), and one Sb(3) atom to form distorted NSr2Sb2 tetrahedra that share corners with two equivalent N(3)Sr2Sb2 tetrahedra, corners with three equivalent N(5)Sr2Sb2 tetrahedra, corners with two equivalent N(2)Sr3Sb trigonal pyramids, and edges with two equivalent N(4)Sr3Sb2 trigonal bipyramids. In the second N site, N(2) is bonded to one Sr(3), two equivalent Sr(1), and one Sb(2) atom to form NSr3Sb trigonal pyramids that share  a cornercorner with one N(3)Sr2Sb2 tetrahedra, corners with two equivalent N(1)Sr2Sb2 tetrahedra, corners with two equivalent N(4)Sr3Sb2 trigonal bipyramids,  an edgeedge with one N(4)Sr3Sb2 trigonal bipyramid, and  an edgeedge with one N(2)Sr3Sb trigonal pyramid. In the third N site, N(3) is bonded to one Sr(2), one Sr(3), and two equivalent Sb(1) atoms to form distorted NSr2Sb2 tetrahedra that share corners with two equivalent N(1)Sr2Sb2 tetrahedra, corners with four equivalent N(5)Sr2Sb2 tetrahedra, corners with two equivalent N(4)Sr3Sb2 trigonal bipyramids,  a cornercorner with one N(2)Sr3Sb trigonal pyramid, and  an edgeedge with one N(3)Sr2Sb2 tetrahedra. In the fourth N site, N(4) is bonded to one Sr(1), one Sr(2), one Sr(3), one Sb(2), and one Sb(3) atom to form distorted NSr3Sb2 trigonal bipyramids that share  a cornercorner with one N(5)Sr2Sb2 tetrahedra, corners with two equivalent N(3)Sr2Sb2 tetrahedra, corners with two equivalent N(2)Sr3Sb trigonal pyramids,  an edgeedge with one N(5)Sr2Sb2 tetrahedra, edges with two equivalent N(1)Sr2Sb2 tetrahedra, and  an edgeedge with one N(2)Sr3Sb trigonal pyramid. In the fifth N site, N(5) is bonded to two equivalent Sr(2), one Sb(1), and one Sb(3) atom to form NSr2Sb2 tetrahedra that share corners with three equivalent N(1)Sr2Sb2 tetrahedra, corners with four equivalent N(3)Sr2Sb2 tetrahedra,  a cornercorner with one N(4)Sr3Sb2 trigonal bipyramid,  an edgeedge with one N(5)Sr2Sb2 tetrahedra, and  an edgeedge with one N(4)Sr3Sb2 trigonal bipyramid. is represented by the CIF card [CIF]
data_Sr3Sb3N5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.096
_cell_length_b   7.430
_cell_length_c   10.844
_cell_angle_alpha   100.926
_cell_angle_beta   96.564
_cell_angle_gamma   95.339
_symmetry_Int_Tables_number   1
_cell_volume   475.755
_cell_formula_units_Z   2
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  0.725  0.372  0.529  1.0
  Sr  Sr1  1  0.275  0.628  0.471  1.0
  Sr  Sr2  1  0.711  0.867  0.924  1.0
  Sr  Sr3  1  0.289  0.133  0.076  1.0
  Sr  Sr4  1  0.742  0.805  0.268  1.0
  Sr  Sr5  1  0.258  0.195  0.732  1.0
  Sb  Sb6  1  0.798  0.372  0.932  1.0
  Sb  Sb7  1  0.202  0.628  0.068  1.0
  Sb  Sb8  1  0.718  0.920  0.612  1.0
  Sb  Sb9  1  0.282  0.080  0.388  1.0
  Sb  Sb10  1  0.175  0.731  0.765  1.0
  Sb  Sb11  1  0.825  0.269  0.235  1.0
  N  N12  1  0.966  0.932  0.763  1.0
  N  N13  1  0.034  0.068  0.237  1.0
  N  N14  1  0.704  0.685  0.478  1.0
  N  N15  1  0.296  0.315  0.522  1.0
  N  N16  1  0.856  0.631  0.052  1.0
  N  N17  1  0.144  0.369  0.948  1.0
  N  N18  1  0.432  0.878  0.700  1.0
  N  N19  1  0.568  0.122  0.300  1.0
  N  N20  1  0.299  0.805  0.955  1.0
  N  N21  1  0.701  0.195  0.045  1.0
[/CIF]
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The material structure described by Sr3Sb3N5 is Chalcostibite-like structured and crystallizes in the triclinic P-1 space group. There are three inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 3-coordinate geometry to one N(4) and two equivalent N(2) atoms. In the second Sr site, Sr(2) is bonded in a 5-coordinate geometry to one N(1), one N(3), one N(4), and two equivalent N(5) atoms. In the third Sr site, Sr(3) is bonded in a 4-coordinate geometry to one N(1), one N(2), one N(3), and one N(4) atom. There are three inequivalent Sb sites. In the first Sb site, Sb(1) is bonded in a distorted trigonal non-coplanar geometry to one N(5) and two equivalent N(3) atoms. In the second Sb site, Sb(2) is bonded in a distorted trigonal non-coplanar geometry to one N(1), one N(2), and one N(4) atom. In the third Sb site, Sb(3) is bonded in a 3-coordinate geometry to one N(1), one N(4), and one N(5) atom. There are five inequivalent N sites. In the first N site, N(1) is bonded to one Sr(2), one Sr(3), one Sb(2), and one Sb(3) atom to form distorted NSr2Sb2 tetrahedra that share corners with two equivalent N(3)Sr2Sb2 tetrahedra, corners with three equivalent N(5)Sr2Sb2 tetrahedra, corners with two equivalent N(2)Sr3Sb trigonal pyramids, and edges with two equivalent N(4)Sr3Sb2 trigonal bipyramids. In the second N site, N(2) is bonded to one Sr(3), two equivalent Sr(1), and one Sb(2) atom to form NSr3Sb trigonal pyramids that share  a cornercorner with one N(3)Sr2Sb2 tetrahedra, corners with two equivalent N(1)Sr2Sb2 tetrahedra, corners with two equivalent N(4)Sr3Sb2 trigonal bipyramids,  an edgeedge with one N(4)Sr3Sb2 trigonal bipyramid, and  an edgeedge with one N(2)Sr3Sb trigonal pyramid. In the third N site, N(3) is bonded to one Sr(2), one Sr(3), and two equivalent Sb(1) atoms to form distorted NSr2Sb2 tetrahedra that share corners with two equivalent N(1)Sr2Sb2 tetrahedra, corners with four equivalent N(5)Sr2Sb2 tetrahedra, corners with two equivalent N(4)Sr3Sb2 trigonal bipyramids,  a cornercorner with one N(2)Sr3Sb trigonal pyramid, and  an edgeedge with one N(3)Sr2Sb2 tetrahedra. In the fourth N site, N(4) is bonded to one Sr(1), one Sr(2), one Sr(3), one Sb(2), and one Sb(3) atom to form distorted NSr3Sb2 trigonal bipyramids that share  a cornercorner with one N(5)Sr2Sb2 tetrahedra, corners with two equivalent N(3)Sr2Sb2 tetrahedra, corners with two equivalent N(2)Sr3Sb trigonal pyramids,  an edgeedge with one N(5)Sr2Sb2 tetrahedra, edges with two equivalent N(1)Sr2Sb2 tetrahedra, and  an edgeedge with one N(2)Sr3Sb trigonal pyramid. In the fifth N site, N(5) is bonded to two equivalent Sr(2), one Sb(1), and one Sb(3) atom to form NSr2Sb2 tetrahedra that share corners with three equivalent N(1)Sr2Sb2 tetrahedra, corners with four equivalent N(3)Sr2Sb2 tetrahedra,  a cornercorner with one N(4)Sr3Sb2 trigonal bipyramid,  an edgeedge with one N(5)Sr2Sb2 tetrahedra, and  an edgeedge with one N(4)Sr3Sb2 trigonal bipyramid. is represented by the CIF card [CIF]
data_Sr3Sb3N5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.096
_cell_length_b   7.430
_cell_length_c   10.844
_cell_angle_alpha   100.926
_cell_angle_beta   96.564
_cell_angle_gamma   95.339
_symmetry_Int_Tables_number   1
_cell_volume   475.755
_cell_formula_units_Z   2
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  0.725  0.372  0.529  1.0
  Sr  Sr1  1  0.275  0.628  0.471  1.0
  Sr  Sr2  1  0.711  0.867  0.924  1.0
  Sr  Sr3  1  0.289  0.133  0.076  1.0
  Sr  Sr4  1  0.742  0.805  0.268  1.0
  Sr  Sr5  1  0.258  0.195  0.732  1.0
  Sb  Sb6  1  0.798  0.372  0.932  1.0
  Sb  Sb7  1  0.202  0.628  0.068  1.0
  Sb  Sb8  1  0.718  0.920  0.612  1.0
  Sb  Sb9  1  0.282  0.080  0.388  1.0
  Sb  Sb10  1  0.175  0.731  0.765  1.0
  Sb  Sb11  1  0.825  0.269  0.235  1.0
  N  N12  1  0.966  0.932  0.763  1.0
  N  N13  1  0.034  0.068  0.237  1.0
  N  N14  1  0.704  0.685  0.478  1.0
  N  N15  1  0.296  0.315  0.522  1.0
  N  N16  1  0.856  0.631  0.052  1.0
  N  N17  1  0.144  0.369  0.948  1.0
  N  N18  1  0.432  0.878  0.700  1.0
  N  N19  1  0.568  0.122  0.300  1.0
  N  N20  1  0.299  0.805  0.955  1.0
  N  N21  1  0.701  0.195  0.045  1.0
[/CIF]
.