The crystal structure described by SrCo7N10 crystallizes in the monoclinic Pc space group. Sr(1) is bonded in a 7-coordinate geometry to one N(2), one N(3), one N(4), one N(6), one N(7), and two equivalent N(1) atoms. There are seven inequivalent Co sites. In the first Co site, Co(1) is bonded to one N(1), one N(2), one N(3), and one N(6) atom to form a mixture of edge and corner-sharing CoN4 tetrahedra. In the second Co site, Co(2) is bonded to one N(2), one N(3), one N(4), and one N(6) atom to form a mixture of edge and corner-sharing CoN4 tetrahedra. In the third Co site, Co(3) is bonded to one N(4), one N(5), one N(7), and one N(8) atom to form corner-sharing CoN4 tetrahedra. In the fourth Co site, Co(4) is bonded to one N(10), one N(2), one N(7), and one N(9) atom to form corner-sharing CoN4 tetrahedra. In the fifth Co site, Co(5) is bonded to one N(1), one N(7), one N(8), and one N(9) atom to form corner-sharing CoN4 tetrahedra. In the sixth Co site, Co(6) is bonded to one N(10), one N(3), one N(5), and one N(8) atom to form corner-sharing CoN4 tetrahedra. In the seventh Co site, Co(7) is bonded to one N(10), one N(5), one N(6), and one N(9) atom to form corner-sharing CoN4 tetrahedra. There are ten inequivalent N sites. In the first N site, N(9) is bonded in a trigonal planar geometry to one Co(4), one Co(5), and one Co(7) atom. In the second N site, N(10) is bonded in a trigonal planar geometry to one Co(4), one Co(6), and one Co(7) atom. In the third N site, N(1) is bonded in a 4-coordinate geometry to two equivalent Sr(1), one Co(1), and one Co(5) atom. In the fourth N site, N(2) is bonded in a distorted rectangular see-saw-like geometry to one Sr(1), one Co(1), one Co(2), and one Co(4) atom. In the fifth N site, N(3) is bonded in a 3-coordinate geometry to one Sr(1), one Co(1), one Co(2), and one Co(6) atom. In the sixth N site, N(4) is bonded in a 3-coordinate geometry to one Sr(1), one Co(2), and one Co(3) atom. In the seventh N site, N(5) is bonded in a trigonal planar geometry to one Co(3), one Co(6), and one Co(7) atom. In the eighth N site, N(6) is bonded in a distorted trigonal planar geometry to one Sr(1), one Co(1), one Co(2), and one Co(7) atom. In the ninth N site, N(7) is bonded in a distorted trigonal pyramidal geometry to one Sr(1), one Co(3), one Co(4), and one Co(5) atom. In the tenth N site, N(8) is bonded in a trigonal planar geometry to one Co(3), one Co(5), and one Co(6) atom. is represented by the CIF file [CIF]
data_SrCo7N10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.985
_cell_length_b   7.165
_cell_length_c   9.666
_cell_angle_alpha   90.000
_cell_angle_beta   107.246
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   462.027
_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  0.908  0.014  0.650  1.0
  Sr  Sr1  1  0.908  0.986  0.150  1.0
  Co  Co2  1  0.542  0.971  0.833  1.0
  Co  Co3  1  0.542  0.029  0.333  1.0
  Co  Co4  1  0.362  0.032  0.019  1.0
  Co  Co5  1  0.362  0.968  0.519  1.0
  Co  Co6  1  0.100  0.378  0.071  1.0
  Co  Co7  1  0.100  0.622  0.571  1.0
  Co  Co8  1  0.658  0.373  0.992  1.0
  Co  Co9  1  0.658  0.627  0.492  1.0
  Co  Co10  1  0.845  0.632  0.814  1.0
  Co  Co11  1  0.845  0.368  0.314  1.0
  Co  Co12  1  0.286  0.635  0.880  1.0
  Co  Co13  1  0.286  0.365  0.380  1.0
  Co  Co14  1  0.479  0.366  0.686  1.0
  Co  Co15  1  0.479  0.634  0.186  1.0
  N  N16  1  0.770  0.853  0.858  1.0
  N  N17  1  0.770  0.147  0.358  1.0
  N  N18  1  0.579  0.139  0.982  1.0
  N  N19  1  0.579  0.861  0.482  1.0
  N  N20  1  0.312  0.878  0.861  1.0
  N  N21  1  0.312  0.122  0.361  1.0
  N  N22  1  0.151  0.158  0.017  1.0
  N  N23  1  0.151  0.842  0.517  1.0
  N  N24  1  0.297  0.520  0.717  1.0
  N  N25  1  0.297  0.480  0.217  1.0
  N  N26  1  0.475  0.110  0.674  1.0
  N  N27  1  0.475  0.890  0.174  1.0
  N  N28  1  0.888  0.379  0.139  1.0
  N  N29  1  0.888  0.621  0.639  1.0
  N  N30  1  0.082  0.560  0.940  1.0
  N  N31  1  0.082  0.440  0.440  1.0
  N  N32  1  0.703  0.429  0.821  1.0
  N  N33  1  0.703  0.571  0.321  1.0
  N  N34  1  0.504  0.559  0.016  1.0
  N  N35  1  0.504  0.441  0.516  1.0
[/CIF]
.
The crystal structure described by SrCo7N10 crystallizes in the monoclinic Pc space group. Sr(1) is bonded in a 7-coordinate geometry to one N(2), one N(3), one N(4), one N(6), one N(7), and two equivalent N(1) atoms. There are seven inequivalent Co sites. In the first Co site, Co(1) is bonded to one N(1), one N(2), one N(3), and one N(6) atom to form a mixture of edge and corner-sharing CoN4 tetrahedra. In the second Co site, Co(2) is bonded to one N(2), one N(3), one N(4), and one N(6) atom to form a mixture of edge and corner-sharing CoN4 tetrahedra. In the third Co site, Co(3) is bonded to one N(4), one N(5), one N(7), and one N(8) atom to form corner-sharing CoN4 tetrahedra. In the fourth Co site, Co(4) is bonded to one N(10), one N(2), one N(7), and one N(9) atom to form corner-sharing CoN4 tetrahedra. In the fifth Co site, Co(5) is bonded to one N(1), one N(7), one N(8), and one N(9) atom to form corner-sharing CoN4 tetrahedra. In the sixth Co site, Co(6) is bonded to one N(10), one N(3), one N(5), and one N(8) atom to form corner-sharing CoN4 tetrahedra. In the seventh Co site, Co(7) is bonded to one N(10), one N(5), one N(6), and one N(9) atom to form corner-sharing CoN4 tetrahedra. There are ten inequivalent N sites. In the first N site, N(9) is bonded in a trigonal planar geometry to one Co(4), one Co(5), and one Co(7) atom. In the second N site, N(10) is bonded in a trigonal planar geometry to one Co(4), one Co(6), and one Co(7) atom. In the third N site, N(1) is bonded in a 4-coordinate geometry to two equivalent Sr(1), one Co(1), and one Co(5) atom. In the fourth N site, N(2) is bonded in a distorted rectangular see-saw-like geometry to one Sr(1), one Co(1), one Co(2), and one Co(4) atom. In the fifth N site, N(3) is bonded in a 3-coordinate geometry to one Sr(1), one Co(1), one Co(2), and one Co(6) atom. In the sixth N site, N(4) is bonded in a 3-coordinate geometry to one Sr(1), one Co(2), and one Co(3) atom. In the seventh N site, N(5) is bonded in a trigonal planar geometry to one Co(3), one Co(6), and one Co(7) atom. In the eighth N site, N(6) is bonded in a distorted trigonal planar geometry to one Sr(1), one Co(1), one Co(2), and one Co(7) atom. In the ninth N site, N(7) is bonded in a distorted trigonal pyramidal geometry to one Sr(1), one Co(3), one Co(4), and one Co(5) atom. In the tenth N site, N(8) is bonded in a trigonal planar geometry to one Co(3), one Co(5), and one Co(6) atom. is represented by the CIF file [CIF]
data_SrCo7N10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.985
_cell_length_b   7.165
_cell_length_c   9.666
_cell_angle_alpha   90.000
_cell_angle_beta   107.246
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   462.027
_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  0.908  0.014  0.650  1.0
  Sr  Sr1  1  0.908  0.986  0.150  1.0
  Co  Co2  1  0.542  0.971  0.833  1.0
  Co  Co3  1  0.542  0.029  0.333  1.0
  Co  Co4  1  0.362  0.032  0.019  1.0
  Co  Co5  1  0.362  0.968  0.519  1.0
  Co  Co6  1  0.100  0.378  0.071  1.0
  Co  Co7  1  0.100  0.622  0.571  1.0
  Co  Co8  1  0.658  0.373  0.992  1.0
  Co  Co9  1  0.658  0.627  0.492  1.0
  Co  Co10  1  0.845  0.632  0.814  1.0
  Co  Co11  1  0.845  0.368  0.314  1.0
  Co  Co12  1  0.286  0.635  0.880  1.0
  Co  Co13  1  0.286  0.365  0.380  1.0
  Co  Co14  1  0.479  0.366  0.686  1.0
  Co  Co15  1  0.479  0.634  0.186  1.0
  N  N16  1  0.770  0.853  0.858  1.0
  N  N17  1  0.770  0.147  0.358  1.0
  N  N18  1  0.579  0.139  0.982  1.0
  N  N19  1  0.579  0.861  0.482  1.0
  N  N20  1  0.312  0.878  0.861  1.0
  N  N21  1  0.312  0.122  0.361  1.0
  N  N22  1  0.151  0.158  0.017  1.0
  N  N23  1  0.151  0.842  0.517  1.0
  N  N24  1  0.297  0.520  0.717  1.0
  N  N25  1  0.297  0.480  0.217  1.0
  N  N26  1  0.475  0.110  0.674  1.0
  N  N27  1  0.475  0.890  0.174  1.0
  N  N28  1  0.888  0.379  0.139  1.0
  N  N29  1  0.888  0.621  0.639  1.0
  N  N30  1  0.082  0.560  0.940  1.0
  N  N31  1  0.082  0.440  0.440  1.0
  N  N32  1  0.703  0.429  0.821  1.0
  N  N33  1  0.703  0.571  0.321  1.0
  N  N34  1  0.504  0.559  0.016  1.0
  N  N35  1  0.504  0.441  0.516  1.0
[/CIF]
.