The material structure described by Gd2Cu(SeO3)4 crystallizes in the monoclinic P2_1/c space group. Gd(1) is bonded in a 10-coordinate geometry to one O(5), two equivalent O(2), two equivalent O(3), two equivalent O(4), and three equivalent O(1) atoms. Cu(1) is bonded in a square co-planar geometry to two equivalent O(5) and two equivalent O(6) atoms. There are two inequivalent Se sites. In the first Se site, Se(1) is bonded in a trigonal non-coplanar geometry to one O(1), one O(2), and one O(3) atom. In the second Se site, Se(2) is bonded in a trigonal non-coplanar geometry to one O(4), one O(5), and one O(6) atom. There are six inequivalent O sites. In the first O site, O(6) is bonded in a bent 120 degrees geometry to one Cu(1) and one Se(2) atom. In the second O site, O(1) is bonded in a 4-coordinate geometry to three equivalent Gd(1) and one Se(1) atom. In the third O site, O(2) is bonded in a distorted bent 150 degrees geometry to two equivalent Gd(1) and one Se(1) atom. In the fourth O site, O(3) is bonded in a distorted trigonal planar geometry to two equivalent Gd(1) and one Se(1) atom. In the fifth O site, O(4) is bonded in a trigonal planar geometry to two equivalent Gd(1) and one Se(2) atom. In the sixth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Gd(1), one Cu(1), and one Se(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Gd2Cu(SeO3)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.008
_cell_length_b   8.157
_cell_length_c   10.899
_cell_angle_alpha   70.314
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   586.598
_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
  Gd  Gd0  1  0.657  0.760  0.587  1.0
  Gd  Gd1  1  0.157  0.740  0.413  1.0
  Gd  Gd2  1  0.343  0.240  0.413  1.0
  Gd  Gd3  1  0.843  0.260  0.587  1.0
  Cu  Cu4  1  0.500  0.500  0.000  1.0
  Cu  Cu5  1  0.000  0.000  0.000  1.0
  Se  Se6  1  0.827  0.136  0.319  1.0
  Se  Se7  1  0.327  0.364  0.681  1.0
  Se  Se8  1  0.672  0.879  0.864  1.0
  Se  Se9  1  0.172  0.621  0.136  1.0
  Se  Se10  1  0.328  0.121  0.136  1.0
  Se  Se11  1  0.828  0.379  0.864  1.0
  Se  Se12  1  0.673  0.636  0.319  1.0
  Se  Se13  1  0.173  0.864  0.681  1.0
  O  O14  1  0.345  0.914  0.557  1.0
  O  O15  1  0.845  0.586  0.443  1.0
  O  O16  1  0.655  0.086  0.443  1.0
  O  O17  1  0.155  0.414  0.557  1.0
  O  O18  1  0.111  0.072  0.663  1.0
  O  O19  1  0.611  0.428  0.337  1.0
  O  O20  1  0.889  0.928  0.337  1.0
  O  O21  1  0.389  0.572  0.663  1.0
  O  O22  1  0.502  0.714  0.402  1.0
  O  O23  1  0.002  0.786  0.598  1.0
  O  O24  1  0.779  0.470  0.700  1.0
  O  O25  1  0.279  0.030  0.300  1.0
  O  O26  1  0.221  0.530  0.300  1.0
  O  O27  1  0.721  0.970  0.700  1.0
  O  O28  1  0.886  0.178  0.848  1.0
  O  O29  1  0.386  0.322  0.152  1.0
  O  O30  1  0.114  0.822  0.152  1.0
  O  O31  1  0.614  0.678  0.848  1.0
  O  O32  1  0.892  0.822  0.940  1.0
  O  O33  1  0.392  0.678  0.060  1.0
  O  O34  1  0.108  0.178  0.060  1.0
  O  O35  1  0.608  0.322  0.940  1.0
  O  O36  1  0.498  0.286  0.598  1.0
  O  O37  1  0.998  0.214  0.402  1.0
[/CIF]
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The material structure described by Gd2Cu(SeO3)4 crystallizes in the monoclinic P2_1/c space group. Gd(1) is bonded in a 10-coordinate geometry to one O(5), two equivalent O(2), two equivalent O(3), two equivalent O(4), and three equivalent O(1) atoms. Cu(1) is bonded in a square co-planar geometry to two equivalent O(5) and two equivalent O(6) atoms. There are two inequivalent Se sites. In the first Se site, Se(1) is bonded in a trigonal non-coplanar geometry to one O(1), one O(2), and one O(3) atom. In the second Se site, Se(2) is bonded in a trigonal non-coplanar geometry to one O(4), one O(5), and one O(6) atom. There are six inequivalent O sites. In the first O site, O(6) is bonded in a bent 120 degrees geometry to one Cu(1) and one Se(2) atom. In the second O site, O(1) is bonded in a 4-coordinate geometry to three equivalent Gd(1) and one Se(1) atom. In the third O site, O(2) is bonded in a distorted bent 150 degrees geometry to two equivalent Gd(1) and one Se(1) atom. In the fourth O site, O(3) is bonded in a distorted trigonal planar geometry to two equivalent Gd(1) and one Se(1) atom. In the fifth O site, O(4) is bonded in a trigonal planar geometry to two equivalent Gd(1) and one Se(2) atom. In the sixth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Gd(1), one Cu(1), and one Se(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Gd2Cu(SeO3)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.008
_cell_length_b   8.157
_cell_length_c   10.899
_cell_angle_alpha   70.314
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   586.598
_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
  Gd  Gd0  1  0.657  0.760  0.587  1.0
  Gd  Gd1  1  0.157  0.740  0.413  1.0
  Gd  Gd2  1  0.343  0.240  0.413  1.0
  Gd  Gd3  1  0.843  0.260  0.587  1.0
  Cu  Cu4  1  0.500  0.500  0.000  1.0
  Cu  Cu5  1  0.000  0.000  0.000  1.0
  Se  Se6  1  0.827  0.136  0.319  1.0
  Se  Se7  1  0.327  0.364  0.681  1.0
  Se  Se8  1  0.672  0.879  0.864  1.0
  Se  Se9  1  0.172  0.621  0.136  1.0
  Se  Se10  1  0.328  0.121  0.136  1.0
  Se  Se11  1  0.828  0.379  0.864  1.0
  Se  Se12  1  0.673  0.636  0.319  1.0
  Se  Se13  1  0.173  0.864  0.681  1.0
  O  O14  1  0.345  0.914  0.557  1.0
  O  O15  1  0.845  0.586  0.443  1.0
  O  O16  1  0.655  0.086  0.443  1.0
  O  O17  1  0.155  0.414  0.557  1.0
  O  O18  1  0.111  0.072  0.663  1.0
  O  O19  1  0.611  0.428  0.337  1.0
  O  O20  1  0.889  0.928  0.337  1.0
  O  O21  1  0.389  0.572  0.663  1.0
  O  O22  1  0.502  0.714  0.402  1.0
  O  O23  1  0.002  0.786  0.598  1.0
  O  O24  1  0.779  0.470  0.700  1.0
  O  O25  1  0.279  0.030  0.300  1.0
  O  O26  1  0.221  0.530  0.300  1.0
  O  O27  1  0.721  0.970  0.700  1.0
  O  O28  1  0.886  0.178  0.848  1.0
  O  O29  1  0.386  0.322  0.152  1.0
  O  O30  1  0.114  0.822  0.152  1.0
  O  O31  1  0.614  0.678  0.848  1.0
  O  O32  1  0.892  0.822  0.940  1.0
  O  O33  1  0.392  0.678  0.060  1.0
  O  O34  1  0.108  0.178  0.060  1.0
  O  O35  1  0.608  0.322  0.940  1.0
  O  O36  1  0.498  0.286  0.598  1.0
  O  O37  1  0.998  0.214  0.402  1.0
[/CIF]
.