The crystal structure described by SrCeN2 is Caswellsilverite-like structured and crystallizes in the triclinic P1 space group. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded to one N(1), one N(3), two equivalent N(2), and two equivalent N(4) atoms to form SrN6 octahedra that share corners with two equivalent Ce(2)N6 octahedra, corners with four equivalent Sr(1)N6 octahedra, edges with four equivalent Sr(2)N6 octahedra, edges with four equivalent Ce(1)N6 octahedra, and edges with four equivalent Ce(2)N6 octahedra. The corner-sharing octahedral tilt angles range from 1-14°. In the second Sr site, Sr(2) is bonded to one N(2), one N(4), two equivalent N(1), and two equivalent N(3) atoms to form SrN6 octahedra that share corners with two equivalent Ce(1)N6 octahedra, corners with four equivalent Sr(2)N6 octahedra, edges with four equivalent Sr(1)N6 octahedra, edges with four equivalent Ce(1)N6 octahedra, and edges with four equivalent Ce(2)N6 octahedra. The corner-sharing octahedral tilt angles range from 2-14°. There are two inequivalent Ce sites. In the first Ce site, Ce(1) is bonded to one N(2), one N(4), two equivalent N(1), and two equivalent N(3) atoms to form CeN6 octahedra that share corners with two equivalent Sr(2)N6 octahedra, corners with four equivalent Ce(1)N6 octahedra, edges with four equivalent Sr(1)N6 octahedra, edges with four equivalent Sr(2)N6 octahedra, and edges with four equivalent Ce(2)N6 octahedra. The corner-sharing octahedral tilt angles range from 2-14°. In the second Ce site, Ce(2) is bonded to one N(1), one N(3), two equivalent N(2), and two equivalent N(4) atoms to form CeN6 octahedra that share corners with two equivalent Sr(1)N6 octahedra, corners with four equivalent Ce(2)N6 octahedra, edges with four equivalent Sr(1)N6 octahedra, edges with four equivalent Sr(2)N6 octahedra, and edges with four equivalent Ce(1)N6 octahedra. The corner-sharing octahedral tilt angles range from 1-14°. There are four inequivalent N sites. In the first N site, N(1) is bonded to one Sr(1), two equivalent Sr(2), one Ce(2), and two equivalent Ce(1) atoms to form a mixture of distorted edge and corner-sharing NSr3Ce3 octahedra. The corner-sharing octahedral tilt angles range from 1-14°. In the second N site, N(2) is bonded to one Sr(2), two equivalent Sr(1), one Ce(1), and two equivalent Ce(2) atoms to form a mixture of distorted edge and corner-sharing NSr3Ce3 octahedra. The corner-sharing octahedral tilt angles range from 2-14°. In the third N site, N(3) is bonded to one Sr(1), two equivalent Sr(2), one Ce(2), and two equivalent Ce(1) atoms to form a mixture of distorted edge and corner-sharing NSr3Ce3 octahedra. The corner-sharing octahedral tilt angles range from 1-14°. In the fourth N site, N(4) is bonded to one Sr(2), two equivalent Sr(1), one Ce(1), and two equivalent Ce(2) atoms to form a mixture of distorted edge and corner-sharing NSr3Ce3 octahedra. The corner-sharing octahedral tilt angles range from 2-14°. is represented by the Crystallographic Information File (CIF) [CIF]
data_SrCeN2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.377
_cell_length_b   9.738
_cell_length_c   6.347
_cell_angle_alpha   29.233
_cell_angle_beta   54.510
_cell_angle_gamma   40.746
_symmetry_Int_Tables_number   1
_cell_volume   140.605
_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  0.002  0.997  0.002  1.0
  Sr  Sr1  1  0.750  0.499  0.001  1.0
  Ce  Ce2  1  0.255  0.494  0.004  1.0
  Ce  Ce3  1  0.497  0.999  0.000  1.0
  N  N4  1  0.281  0.005  0.434  1.0
  N  N5  1  0.043  0.489  0.448  1.0
  N  N6  1  0.715  0.005  0.554  1.0
  N  N7  1  0.473  0.510  0.549  1.0
[/CIF]
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The crystal structure described by SrCeN2 is Caswellsilverite-like structured and crystallizes in the triclinic P1 space group. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded to one N(1), one N(3), two equivalent N(2), and two equivalent N(4) atoms to form SrN6 octahedra that share corners with two equivalent Ce(2)N6 octahedra, corners with four equivalent Sr(1)N6 octahedra, edges with four equivalent Sr(2)N6 octahedra, edges with four equivalent Ce(1)N6 octahedra, and edges with four equivalent Ce(2)N6 octahedra. The corner-sharing octahedral tilt angles range from 1-14°. In the second Sr site, Sr(2) is bonded to one N(2), one N(4), two equivalent N(1), and two equivalent N(3) atoms to form SrN6 octahedra that share corners with two equivalent Ce(1)N6 octahedra, corners with four equivalent Sr(2)N6 octahedra, edges with four equivalent Sr(1)N6 octahedra, edges with four equivalent Ce(1)N6 octahedra, and edges with four equivalent Ce(2)N6 octahedra. The corner-sharing octahedral tilt angles range from 2-14°. There are two inequivalent Ce sites. In the first Ce site, Ce(1) is bonded to one N(2), one N(4), two equivalent N(1), and two equivalent N(3) atoms to form CeN6 octahedra that share corners with two equivalent Sr(2)N6 octahedra, corners with four equivalent Ce(1)N6 octahedra, edges with four equivalent Sr(1)N6 octahedra, edges with four equivalent Sr(2)N6 octahedra, and edges with four equivalent Ce(2)N6 octahedra. The corner-sharing octahedral tilt angles range from 2-14°. In the second Ce site, Ce(2) is bonded to one N(1), one N(3), two equivalent N(2), and two equivalent N(4) atoms to form CeN6 octahedra that share corners with two equivalent Sr(1)N6 octahedra, corners with four equivalent Ce(2)N6 octahedra, edges with four equivalent Sr(1)N6 octahedra, edges with four equivalent Sr(2)N6 octahedra, and edges with four equivalent Ce(1)N6 octahedra. The corner-sharing octahedral tilt angles range from 1-14°. There are four inequivalent N sites. In the first N site, N(1) is bonded to one Sr(1), two equivalent Sr(2), one Ce(2), and two equivalent Ce(1) atoms to form a mixture of distorted edge and corner-sharing NSr3Ce3 octahedra. The corner-sharing octahedral tilt angles range from 1-14°. In the second N site, N(2) is bonded to one Sr(2), two equivalent Sr(1), one Ce(1), and two equivalent Ce(2) atoms to form a mixture of distorted edge and corner-sharing NSr3Ce3 octahedra. The corner-sharing octahedral tilt angles range from 2-14°. In the third N site, N(3) is bonded to one Sr(1), two equivalent Sr(2), one Ce(2), and two equivalent Ce(1) atoms to form a mixture of distorted edge and corner-sharing NSr3Ce3 octahedra. The corner-sharing octahedral tilt angles range from 1-14°. In the fourth N site, N(4) is bonded to one Sr(2), two equivalent Sr(1), one Ce(1), and two equivalent Ce(2) atoms to form a mixture of distorted edge and corner-sharing NSr3Ce3 octahedra. The corner-sharing octahedral tilt angles range from 2-14°. is represented by the Crystallographic Information File (CIF) [CIF]
data_SrCeN2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.377
_cell_length_b   9.738
_cell_length_c   6.347
_cell_angle_alpha   29.233
_cell_angle_beta   54.510
_cell_angle_gamma   40.746
_symmetry_Int_Tables_number   1
_cell_volume   140.605
_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  0.002  0.997  0.002  1.0
  Sr  Sr1  1  0.750  0.499  0.001  1.0
  Ce  Ce2  1  0.255  0.494  0.004  1.0
  Ce  Ce3  1  0.497  0.999  0.000  1.0
  N  N4  1  0.281  0.005  0.434  1.0
  N  N5  1  0.043  0.489  0.448  1.0
  N  N6  1  0.715  0.005  0.554  1.0
  N  N7  1  0.473  0.510  0.549  1.0
[/CIF]
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