The crystal structure described by SrC2O4 crystallizes in the orthorhombic P2_12_12_1 space group. Sr(1) is bonded in a 6-coordinate geometry to one O(2), one O(3), two equivalent O(1), and two equivalent O(4) atoms. There are two inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one O(1) and one O(2) atom. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one O(3) and one O(4) atom. There are four inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to two equivalent Sr(1) and one C(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Sr(1) and one C(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Sr(1) and one C(2) atom. In the fourth O site, O(4) is bonded in a distorted trigonal non-coplanar geometry to two equivalent Sr(1) and one C(2) atom. is represented by the CIF file [CIF]
data_Sr(CO2)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.041
_cell_length_b   6.837
_cell_length_c   11.539
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   397.712
_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  0.492  0.005  0.570  1.0
  Sr  Sr1  1  0.992  0.495  0.430  1.0
  Sr  Sr2  1  0.508  0.505  0.930  1.0
  Sr  Sr3  1  0.008  0.995  0.070  1.0
  C  C4  1  0.172  0.616  0.695  1.0
  C  C5  1  0.672  0.884  0.305  1.0
  C  C6  1  0.828  0.116  0.805  1.0
  C  C7  1  0.328  0.384  0.195  1.0
  C  C8  1  0.679  0.920  0.830  1.0
  C  C9  1  0.179  0.580  0.170  1.0
  C  C10  1  0.321  0.420  0.670  1.0
  C  C11  1  0.821  0.080  0.330  1.0
  O  O12  1  0.119  0.720  0.605  1.0
  O  O13  1  0.619  0.780  0.395  1.0
  O  O14  1  0.881  0.220  0.895  1.0
  O  O15  1  0.381  0.280  0.105  1.0
  O  O16  1  0.122  0.653  0.799  1.0
  O  O17  1  0.622  0.847  0.201  1.0
  O  O18  1  0.878  0.153  0.701  1.0
  O  O19  1  0.378  0.347  0.299  1.0
  O  O20  1  0.607  0.818  0.745  1.0
  O  O21  1  0.107  0.682  0.255  1.0
  O  O22  1  0.393  0.318  0.755  1.0
  O  O23  1  0.893  0.182  0.245  1.0
  O  O24  1  0.637  0.873  0.936  1.0
  O  O25  1  0.137  0.627  0.064  1.0
  O  O26  1  0.363  0.373  0.564  1.0
  O  O27  1  0.863  0.127  0.436  1.0
[/CIF]
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The crystal structure described by SrC2O4 crystallizes in the orthorhombic P2_12_12_1 space group. Sr(1) is bonded in a 6-coordinate geometry to one O(2), one O(3), two equivalent O(1), and two equivalent O(4) atoms. There are two inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one O(1) and one O(2) atom. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one O(3) and one O(4) atom. There are four inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to two equivalent Sr(1) and one C(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Sr(1) and one C(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Sr(1) and one C(2) atom. In the fourth O site, O(4) is bonded in a distorted trigonal non-coplanar geometry to two equivalent Sr(1) and one C(2) atom. is represented by the CIF file [CIF]
data_Sr(CO2)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.041
_cell_length_b   6.837
_cell_length_c   11.539
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   397.712
_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  0.492  0.005  0.570  1.0
  Sr  Sr1  1  0.992  0.495  0.430  1.0
  Sr  Sr2  1  0.508  0.505  0.930  1.0
  Sr  Sr3  1  0.008  0.995  0.070  1.0
  C  C4  1  0.172  0.616  0.695  1.0
  C  C5  1  0.672  0.884  0.305  1.0
  C  C6  1  0.828  0.116  0.805  1.0
  C  C7  1  0.328  0.384  0.195  1.0
  C  C8  1  0.679  0.920  0.830  1.0
  C  C9  1  0.179  0.580  0.170  1.0
  C  C10  1  0.321  0.420  0.670  1.0
  C  C11  1  0.821  0.080  0.330  1.0
  O  O12  1  0.119  0.720  0.605  1.0
  O  O13  1  0.619  0.780  0.395  1.0
  O  O14  1  0.881  0.220  0.895  1.0
  O  O15  1  0.381  0.280  0.105  1.0
  O  O16  1  0.122  0.653  0.799  1.0
  O  O17  1  0.622  0.847  0.201  1.0
  O  O18  1  0.878  0.153  0.701  1.0
  O  O19  1  0.378  0.347  0.299  1.0
  O  O20  1  0.607  0.818  0.745  1.0
  O  O21  1  0.107  0.682  0.255  1.0
  O  O22  1  0.393  0.318  0.755  1.0
  O  O23  1  0.893  0.182  0.245  1.0
  O  O24  1  0.637  0.873  0.936  1.0
  O  O25  1  0.137  0.627  0.064  1.0
  O  O26  1  0.363  0.373  0.564  1.0
  O  O27  1  0.863  0.127  0.436  1.0
[/CIF]
.