The crystal structure described by Gd3As5O12 crystallizes in the cubic I-43m space group. Gd(1) is bonded in a 8-coordinate geometry to four equivalent O(1) and four equivalent O(2) atoms. There are two inequivalent As sites. In the first As site, As(1) is bonded in a 4-coordinate geometry to two equivalent O(1) and two equivalent O(2) atoms. In the second As site, As(2) is bonded in a trigonal non-coplanar geometry to three equivalent O(2) atoms. There are two inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to two equivalent Gd(1) and one As(1) atom. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to two equivalent Gd(1), one As(1), and one As(2) atom. is represented by the CIF card [CIF]
data_Gd3As5O12
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.192
_cell_length_b   9.192
_cell_length_c   9.192
_cell_angle_alpha   109.471
_cell_angle_beta   109.471
_cell_angle_gamma   109.471
_symmetry_Int_Tables_number   1
_cell_volume   597.882
_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  0.750  0.500  0.250  1.0
  Gd  Gd1  1  0.500  0.750  0.250  1.0
  Gd  Gd2  1  0.750  0.250  0.500  1.0
  Gd  Gd3  1  0.250  0.750  0.500  1.0
  Gd  Gd4  1  0.250  0.500  0.750  1.0
  Gd  Gd5  1  0.500  0.250  0.750  1.0
  As  As6  1  0.713  0.713  1.000  1.0
  As  As7  1  0.000  0.000  0.500  1.0
  As  As8  1  0.000  0.287  0.287  1.0
  As  As9  1  0.287  0.000  0.287  1.0
  As  As10  1  0.500  0.500  0.500  1.0
  As  As11  1  0.713  0.000  0.713  1.0
  As  As12  1  0.000  0.713  0.713  1.0
  As  As13  1  0.000  0.500  0.000  1.0
  As  As14  1  0.500  0.000  0.000  1.0
  As  As15  1  0.287  0.287  1.000  1.0
  O  O16  1  0.702  0.702  0.183  1.0
  O  O17  1  0.298  0.482  0.000  1.0
  O  O18  1  0.482  0.298  1.000  1.0
  O  O19  1  0.714  0.189  0.189  1.0
  O  O20  1  0.189  0.714  0.189  1.0
  O  O21  1  0.000  0.811  0.525  1.0
  O  O22  1  0.811  0.000  0.525  1.0
  O  O23  1  0.475  0.475  0.286  1.0
  O  O24  1  0.518  0.817  0.518  1.0
  O  O25  1  0.817  0.518  0.518  1.0
  O  O26  1  1.000  0.482  0.298  1.0
  O  O27  1  0.482  0.000  0.298  1.0
  O  O28  1  0.286  0.475  0.475  1.0
  O  O29  1  0.475  0.286  0.475  1.0
  O  O30  1  0.000  0.525  0.811  1.0
  O  O31  1  0.525  0.000  0.811  1.0
  O  O32  1  0.702  0.183  0.702  1.0
  O  O33  1  0.183  0.702  0.702  1.0
  O  O34  1  1.000  0.298  0.482  1.0
  O  O35  1  0.298  0.000  0.482  1.0
  O  O36  1  0.518  0.518  0.817  1.0
  O  O37  1  0.525  0.811  0.000  1.0
  O  O38  1  0.811  0.525  0.000  1.0
  O  O39  1  0.189  0.189  0.714  1.0
[/CIF]
.
The crystal structure described by Gd3As5O12 crystallizes in the cubic I-43m space group. Gd(1) is bonded in a 8-coordinate geometry to four equivalent O(1) and four equivalent O(2) atoms. There are two inequivalent As sites. In the first As site, As(1) is bonded in a 4-coordinate geometry to two equivalent O(1) and two equivalent O(2) atoms. In the second As site, As(2) is bonded in a trigonal non-coplanar geometry to three equivalent O(2) atoms. There are two inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to two equivalent Gd(1) and one As(1) atom. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to two equivalent Gd(1), one As(1), and one As(2) atom. is represented by the CIF card [CIF]
data_Gd3As5O12
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.192
_cell_length_b   9.192
_cell_length_c   9.192
_cell_angle_alpha   109.471
_cell_angle_beta   109.471
_cell_angle_gamma   109.471
_symmetry_Int_Tables_number   1
_cell_volume   597.882
_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  0.750  0.500  0.250  1.0
  Gd  Gd1  1  0.500  0.750  0.250  1.0
  Gd  Gd2  1  0.750  0.250  0.500  1.0
  Gd  Gd3  1  0.250  0.750  0.500  1.0
  Gd  Gd4  1  0.250  0.500  0.750  1.0
  Gd  Gd5  1  0.500  0.250  0.750  1.0
  As  As6  1  0.713  0.713  1.000  1.0
  As  As7  1  0.000  0.000  0.500  1.0
  As  As8  1  0.000  0.287  0.287  1.0
  As  As9  1  0.287  0.000  0.287  1.0
  As  As10  1  0.500  0.500  0.500  1.0
  As  As11  1  0.713  0.000  0.713  1.0
  As  As12  1  0.000  0.713  0.713  1.0
  As  As13  1  0.000  0.500  0.000  1.0
  As  As14  1  0.500  0.000  0.000  1.0
  As  As15  1  0.287  0.287  1.000  1.0
  O  O16  1  0.702  0.702  0.183  1.0
  O  O17  1  0.298  0.482  0.000  1.0
  O  O18  1  0.482  0.298  1.000  1.0
  O  O19  1  0.714  0.189  0.189  1.0
  O  O20  1  0.189  0.714  0.189  1.0
  O  O21  1  0.000  0.811  0.525  1.0
  O  O22  1  0.811  0.000  0.525  1.0
  O  O23  1  0.475  0.475  0.286  1.0
  O  O24  1  0.518  0.817  0.518  1.0
  O  O25  1  0.817  0.518  0.518  1.0
  O  O26  1  1.000  0.482  0.298  1.0
  O  O27  1  0.482  0.000  0.298  1.0
  O  O28  1  0.286  0.475  0.475  1.0
  O  O29  1  0.475  0.286  0.475  1.0
  O  O30  1  0.000  0.525  0.811  1.0
  O  O31  1  0.525  0.000  0.811  1.0
  O  O32  1  0.702  0.183  0.702  1.0
  O  O33  1  0.183  0.702  0.702  1.0
  O  O34  1  1.000  0.298  0.482  1.0
  O  O35  1  0.298  0.000  0.482  1.0
  O  O36  1  0.518  0.518  0.817  1.0
  O  O37  1  0.525  0.811  0.000  1.0
  O  O38  1  0.811  0.525  0.000  1.0
  O  O39  1  0.189  0.189  0.714  1.0
[/CIF]
.