The compound described by Sr3Os3N5 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 6-coordinate geometry to one N(1), one N(3), one N(4), one N(5), and two equivalent N(2) atoms. In the second Sr site, Sr(2) is bonded in a 6-coordinate geometry to one N(1), one N(3), one N(4), and three equivalent N(5) atoms. In the third Sr site, Sr(3) is bonded in a 5-coordinate geometry to one N(1), one N(2), one N(4), and two equivalent N(3) atoms. There are three inequivalent Os sites. In the first Os site, Os(1) is bonded to one N(1), one N(5), and two equivalent N(3) atoms to form a mixture of distorted corner and edge-sharing OsN4 trigonal pyramids. In the second Os site, Os(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 Os site, Os(3) is bonded to one N(1), one N(2), one N(4), and one N(5) atom to form distorted corner-sharing OsN4 tetrahedra. There are five inequivalent N sites. In the first N site, N(1) is bonded in a 6-coordinate geometry to one Sr(1), one Sr(2), one Sr(3), one Os(1), one Os(2), and one Os(3) atom. In the second N site, N(2) is bonded to one Sr(3), two equivalent Sr(1), one Os(2), and one Os(3) atom to form distorted NSr3Os2 trigonal bipyramids that share corners with four equivalent N(3)Sr4Os2 octahedra, corners with three equivalent N(4)Sr3Os2 trigonal bipyramids,  an edgeedge with one N(2)Sr3Os2 trigonal bipyramid, and  an edgeedge with one N(4)Sr3Os2 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 38-70°. In the third N site, N(3) is bonded to one Sr(1), one Sr(2), two equivalent Sr(3), and two equivalent Os(1) atoms to form distorted NSr4Os2 octahedra that share corners with four equivalent N(2)Sr3Os2 trigonal bipyramids, corners with four equivalent N(4)Sr3Os2 trigonal bipyramids, and edges with two equivalent N(3)Sr4Os2 octahedra. In the fourth N site, N(4) is bonded to one Sr(1), one Sr(2), one Sr(3), one Os(2), and one Os(3) atom to form distorted NSr3Os2 trigonal bipyramids that share corners with four equivalent N(3)Sr4Os2 octahedra, corners with three equivalent N(2)Sr3Os2 trigonal bipyramids, and  an edgeedge with one N(2)Sr3Os2 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 50-63°. In the fifth N site, N(5) is bonded in a 2-coordinate geometry to one Sr(1), three equivalent Sr(2), one Os(1), and one Os(3) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Sr3Os3N5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.938
_cell_length_b   7.198
_cell_length_c   9.534
_cell_angle_alpha   110.556
_cell_angle_beta   105.049
_cell_angle_gamma   92.339
_symmetry_Int_Tables_number   1
_cell_volume   364.528
_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  0.823  0.422  0.616  1.0
  Sr  Sr1  1  0.177  0.578  0.384  1.0
  Sr  Sr2  1  0.660  0.865  0.893  1.0
  Sr  Sr3  1  0.340  0.135  0.107  1.0
  Sr  Sr4  1  0.661  0.693  0.212  1.0
  Sr  Sr5  1  0.339  0.307  0.788  1.0
  Os  Os6  1  0.883  0.325  0.970  1.0
  Os  Os7  1  0.117  0.675  0.030  1.0
  Os  Os8  1  0.646  0.915  0.589  1.0
  Os  Os9  1  0.354  0.085  0.411  1.0
  Os  Os10  1  0.093  0.873  0.709  1.0
  Os  Os11  1  0.907  0.127  0.291  1.0
  N  N12  1  0.898  0.105  0.783  1.0
  N  N13  1  0.102  0.895  0.217  1.0
  N  N14  1  0.821  0.704  0.500  1.0
  N  N15  1  0.179  0.296  0.500  1.0
  N  N16  1  0.732  0.542  0.928  1.0
  N  N17  1  0.268  0.458  0.072  1.0
  N  N18  1  0.360  0.903  0.645  1.0
  N  N19  1  0.640  0.097  0.355  1.0
  N  N20  1  0.128  0.757  0.865  1.0
  N  N21  1  0.872  0.243  0.135  1.0
[/CIF]
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The compound described by Sr3Os3N5 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 6-coordinate geometry to one N(1), one N(3), one N(4), one N(5), and two equivalent N(2) atoms. In the second Sr site, Sr(2) is bonded in a 6-coordinate geometry to one N(1), one N(3), one N(4), and three equivalent N(5) atoms. In the third Sr site, Sr(3) is bonded in a 5-coordinate geometry to one N(1), one N(2), one N(4), and two equivalent N(3) atoms. There are three inequivalent Os sites. In the first Os site, Os(1) is bonded to one N(1), one N(5), and two equivalent N(3) atoms to form a mixture of distorted corner and edge-sharing OsN4 trigonal pyramids. In the second Os site, Os(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 Os site, Os(3) is bonded to one N(1), one N(2), one N(4), and one N(5) atom to form distorted corner-sharing OsN4 tetrahedra. There are five inequivalent N sites. In the first N site, N(1) is bonded in a 6-coordinate geometry to one Sr(1), one Sr(2), one Sr(3), one Os(1), one Os(2), and one Os(3) atom. In the second N site, N(2) is bonded to one Sr(3), two equivalent Sr(1), one Os(2), and one Os(3) atom to form distorted NSr3Os2 trigonal bipyramids that share corners with four equivalent N(3)Sr4Os2 octahedra, corners with three equivalent N(4)Sr3Os2 trigonal bipyramids,  an edgeedge with one N(2)Sr3Os2 trigonal bipyramid, and  an edgeedge with one N(4)Sr3Os2 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 38-70°. In the third N site, N(3) is bonded to one Sr(1), one Sr(2), two equivalent Sr(3), and two equivalent Os(1) atoms to form distorted NSr4Os2 octahedra that share corners with four equivalent N(2)Sr3Os2 trigonal bipyramids, corners with four equivalent N(4)Sr3Os2 trigonal bipyramids, and edges with two equivalent N(3)Sr4Os2 octahedra. In the fourth N site, N(4) is bonded to one Sr(1), one Sr(2), one Sr(3), one Os(2), and one Os(3) atom to form distorted NSr3Os2 trigonal bipyramids that share corners with four equivalent N(3)Sr4Os2 octahedra, corners with three equivalent N(2)Sr3Os2 trigonal bipyramids, and  an edgeedge with one N(2)Sr3Os2 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 50-63°. In the fifth N site, N(5) is bonded in a 2-coordinate geometry to one Sr(1), three equivalent Sr(2), one Os(1), and one Os(3) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Sr3Os3N5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.938
_cell_length_b   7.198
_cell_length_c   9.534
_cell_angle_alpha   110.556
_cell_angle_beta   105.049
_cell_angle_gamma   92.339
_symmetry_Int_Tables_number   1
_cell_volume   364.528
_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  0.823  0.422  0.616  1.0
  Sr  Sr1  1  0.177  0.578  0.384  1.0
  Sr  Sr2  1  0.660  0.865  0.893  1.0
  Sr  Sr3  1  0.340  0.135  0.107  1.0
  Sr  Sr4  1  0.661  0.693  0.212  1.0
  Sr  Sr5  1  0.339  0.307  0.788  1.0
  Os  Os6  1  0.883  0.325  0.970  1.0
  Os  Os7  1  0.117  0.675  0.030  1.0
  Os  Os8  1  0.646  0.915  0.589  1.0
  Os  Os9  1  0.354  0.085  0.411  1.0
  Os  Os10  1  0.093  0.873  0.709  1.0
  Os  Os11  1  0.907  0.127  0.291  1.0
  N  N12  1  0.898  0.105  0.783  1.0
  N  N13  1  0.102  0.895  0.217  1.0
  N  N14  1  0.821  0.704  0.500  1.0
  N  N15  1  0.179  0.296  0.500  1.0
  N  N16  1  0.732  0.542  0.928  1.0
  N  N17  1  0.268  0.458  0.072  1.0
  N  N18  1  0.360  0.903  0.645  1.0
  N  N19  1  0.640  0.097  0.355  1.0
  N  N20  1  0.128  0.757  0.865  1.0
  N  N21  1  0.872  0.243  0.135  1.0
[/CIF]
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