The crystal structure described by Sr2GeN2 crystallizes in the orthorhombic Cmce space group. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded to two equivalent N(2) and three equivalent N(1) atoms to form a mixture of distorted edge and corner-sharing SrN5 square pyramids. In the second Sr site, Sr(2) is bonded to two equivalent N(1) and three equivalent N(2) atoms to form a mixture of distorted edge and corner-sharing SrN5 trigonal bipyramids. Ge(1) is bonded in a bent 120 degrees geometry to one N(1) and one N(2) atom. There are two inequivalent N sites. In the first N site, N(1) is bonded to two equivalent Sr(2), three equivalent Sr(1), and one Ge(1) atom to form a mixture of edge and corner-sharing NSr5Ge octahedra. The corner-sharing octahedral tilt angles range from 8-59°. In the second N site, N(2) is bonded to two equivalent Sr(1), three equivalent Sr(2), and one Ge(1) atom to form a mixture of edge and corner-sharing NSr5Ge octahedra. The corner-sharing octahedral tilt angles range from 11-59°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Sr2GeN2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.423
_cell_length_b   6.300
_cell_length_c   12.207
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   115.490
_symmetry_Int_Tables_number   1
_cell_volume   376.458
_cell_formula_units_Z   4
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  0.856  0.712  0.941  1.0
  Sr  Sr1  1  0.452  0.903  0.142  1.0
  Sr  Sr2  1  0.952  0.903  0.358  1.0
  Sr  Sr3  1  0.548  0.097  0.858  1.0
  Sr  Sr4  1  0.644  0.288  0.441  1.0
  Sr  Sr5  1  0.048  0.097  0.642  1.0
  Sr  Sr6  1  0.144  0.288  0.059  1.0
  Sr  Sr7  1  0.356  0.712  0.559  1.0
  Ge  Ge8  1  0.740  0.480  0.680  1.0
  Ge  Ge9  1  0.260  0.520  0.320  1.0
  Ge  Ge10  1  0.240  0.480  0.820  1.0
  Ge  Ge11  1  0.760  0.520  0.180  1.0
  N  N12  1  0.660  0.320  0.060  1.0
  N  N13  1  0.079  0.158  0.859  1.0
  N  N14  1  0.160  0.320  0.440  1.0
  N  N15  1  0.579  0.158  0.641  1.0
  N  N16  1  0.340  0.680  0.940  1.0
  N  N17  1  0.840  0.680  0.560  1.0
  N  N18  1  0.421  0.842  0.359  1.0
  N  N19  1  0.921  0.842  0.141  1.0
[/CIF]
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The crystal structure described by Sr2GeN2 crystallizes in the orthorhombic Cmce space group. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded to two equivalent N(2) and three equivalent N(1) atoms to form a mixture of distorted edge and corner-sharing SrN5 square pyramids. In the second Sr site, Sr(2) is bonded to two equivalent N(1) and three equivalent N(2) atoms to form a mixture of distorted edge and corner-sharing SrN5 trigonal bipyramids. Ge(1) is bonded in a bent 120 degrees geometry to one N(1) and one N(2) atom. There are two inequivalent N sites. In the first N site, N(1) is bonded to two equivalent Sr(2), three equivalent Sr(1), and one Ge(1) atom to form a mixture of edge and corner-sharing NSr5Ge octahedra. The corner-sharing octahedral tilt angles range from 8-59°. In the second N site, N(2) is bonded to two equivalent Sr(1), three equivalent Sr(2), and one Ge(1) atom to form a mixture of edge and corner-sharing NSr5Ge octahedra. The corner-sharing octahedral tilt angles range from 11-59°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Sr2GeN2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.423
_cell_length_b   6.300
_cell_length_c   12.207
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   115.490
_symmetry_Int_Tables_number   1
_cell_volume   376.458
_cell_formula_units_Z   4
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  0.856  0.712  0.941  1.0
  Sr  Sr1  1  0.452  0.903  0.142  1.0
  Sr  Sr2  1  0.952  0.903  0.358  1.0
  Sr  Sr3  1  0.548  0.097  0.858  1.0
  Sr  Sr4  1  0.644  0.288  0.441  1.0
  Sr  Sr5  1  0.048  0.097  0.642  1.0
  Sr  Sr6  1  0.144  0.288  0.059  1.0
  Sr  Sr7  1  0.356  0.712  0.559  1.0
  Ge  Ge8  1  0.740  0.480  0.680  1.0
  Ge  Ge9  1  0.260  0.520  0.320  1.0
  Ge  Ge10  1  0.240  0.480  0.820  1.0
  Ge  Ge11  1  0.760  0.520  0.180  1.0
  N  N12  1  0.660  0.320  0.060  1.0
  N  N13  1  0.079  0.158  0.859  1.0
  N  N14  1  0.160  0.320  0.440  1.0
  N  N15  1  0.579  0.158  0.641  1.0
  N  N16  1  0.340  0.680  0.940  1.0
  N  N17  1  0.840  0.680  0.560  1.0
  N  N18  1  0.421  0.842  0.359  1.0
  N  N19  1  0.921  0.842  0.141  1.0
[/CIF]
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