The compound described by U2(IrGa3)3 crystallizes in the orthorhombic Cmcm space group. U(1) is bonded in a 11-coordinate geometry to one Ga(1), two equivalent Ga(3), two equivalent Ga(4), and six equivalent Ga(2) atoms. There are two inequivalent Ir sites. In the first Ir site, Ir(1) is bonded in a 8-coordinate geometry to two equivalent Ga(3), two equivalent Ga(4), and four equivalent Ga(2) atoms. In the second Ir site, Ir(2) is bonded in a 8-coordinate geometry to two equivalent Ga(1), two equivalent Ga(3), and four equivalent Ga(2) atoms. There are four inequivalent Ga sites. In the first Ga site, Ga(1) is bonded in a 10-coordinate geometry to two equivalent U(1), two equivalent Ir(2), two equivalent Ga(4), and four equivalent Ga(2) atoms. In the second Ga site, Ga(2) is bonded in a 11-coordinate geometry to three equivalent U(1), one Ir(2), two equivalent Ir(1), one Ga(1), one Ga(3), one Ga(4), and two equivalent Ga(2) atoms. In the third Ga site, Ga(3) is bonded in a 10-coordinate geometry to two equivalent U(1), one Ir(2), two equivalent Ir(1), one Ga(3), two equivalent Ga(2), and two equivalent Ga(4) atoms. In the fourth Ga site, Ga(4) is bonded in a 10-coordinate geometry to two equivalent U(1), two equivalent Ir(1), one Ga(1), one Ga(4), two equivalent Ga(2), and two equivalent Ga(3) atoms. is represented by the CIF card [CIF]
data_U2(Ga3Ir)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.653
_cell_length_b   7.653
_cell_length_c   9.408
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.276
_symmetry_Int_Tables_number   1
_cell_volume   475.836
_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
  U  U0  1  0.997  0.669  0.750  1.0
  U  U1  1  0.003  0.331  0.250  1.0
  U  U2  1  0.669  0.997  0.750  1.0
  U  U3  1  0.331  0.003  0.250  1.0
  Ga  Ga4  1  0.128  0.128  0.750  1.0
  Ga  Ga5  1  0.872  0.872  0.250  1.0
  Ga  Ga6  1  1.000  0.334  0.579  1.0
  Ga  Ga7  1  0.000  0.666  0.421  1.0
  Ga  Ga8  1  0.000  0.666  0.079  1.0
  Ga  Ga9  1  0.334  1.000  0.921  1.0
  Ga  Ga10  1  1.000  0.334  0.921  1.0
  Ga  Ga11  1  0.666  0.000  0.079  1.0
  Ga  Ga12  1  0.666  0.000  0.421  1.0
  Ga  Ga13  1  0.334  1.000  0.579  1.0
  Ga  Ga14  1  0.333  0.333  0.067  1.0
  Ga  Ga15  1  0.667  0.667  0.933  1.0
  Ga  Ga16  1  0.667  0.667  0.567  1.0
  Ga  Ga17  1  0.333  0.333  0.433  1.0
  Ga  Ga18  1  0.338  0.544  0.750  1.0
  Ga  Ga19  1  0.662  0.456  0.250  1.0
  Ga  Ga20  1  0.544  0.338  0.750  1.0
  Ga  Ga21  1  0.456  0.662  0.250  1.0
  Ir  Ir22  1  0.671  0.329  0.500  1.0
  Ir  Ir23  1  0.329  0.671  0.500  1.0
  Ir  Ir24  1  0.329  0.671  0.000  1.0
  Ir  Ir25  1  0.671  0.329  0.000  1.0
  Ir  Ir26  1  0.000  0.000  0.500  1.0
  Ir  Ir27  1  0.000  0.000  0.000  1.0
[/CIF]
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The compound described by U2(IrGa3)3 crystallizes in the orthorhombic Cmcm space group. U(1) is bonded in a 11-coordinate geometry to one Ga(1), two equivalent Ga(3), two equivalent Ga(4), and six equivalent Ga(2) atoms. There are two inequivalent Ir sites. In the first Ir site, Ir(1) is bonded in a 8-coordinate geometry to two equivalent Ga(3), two equivalent Ga(4), and four equivalent Ga(2) atoms. In the second Ir site, Ir(2) is bonded in a 8-coordinate geometry to two equivalent Ga(1), two equivalent Ga(3), and four equivalent Ga(2) atoms. There are four inequivalent Ga sites. In the first Ga site, Ga(1) is bonded in a 10-coordinate geometry to two equivalent U(1), two equivalent Ir(2), two equivalent Ga(4), and four equivalent Ga(2) atoms. In the second Ga site, Ga(2) is bonded in a 11-coordinate geometry to three equivalent U(1), one Ir(2), two equivalent Ir(1), one Ga(1), one Ga(3), one Ga(4), and two equivalent Ga(2) atoms. In the third Ga site, Ga(3) is bonded in a 10-coordinate geometry to two equivalent U(1), one Ir(2), two equivalent Ir(1), one Ga(3), two equivalent Ga(2), and two equivalent Ga(4) atoms. In the fourth Ga site, Ga(4) is bonded in a 10-coordinate geometry to two equivalent U(1), two equivalent Ir(1), one Ga(1), one Ga(4), two equivalent Ga(2), and two equivalent Ga(3) atoms. is represented by the CIF card [CIF]
data_U2(Ga3Ir)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.653
_cell_length_b   7.653
_cell_length_c   9.408
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.276
_symmetry_Int_Tables_number   1
_cell_volume   475.836
_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
  U  U0  1  0.997  0.669  0.750  1.0
  U  U1  1  0.003  0.331  0.250  1.0
  U  U2  1  0.669  0.997  0.750  1.0
  U  U3  1  0.331  0.003  0.250  1.0
  Ga  Ga4  1  0.128  0.128  0.750  1.0
  Ga  Ga5  1  0.872  0.872  0.250  1.0
  Ga  Ga6  1  1.000  0.334  0.579  1.0
  Ga  Ga7  1  0.000  0.666  0.421  1.0
  Ga  Ga8  1  0.000  0.666  0.079  1.0
  Ga  Ga9  1  0.334  1.000  0.921  1.0
  Ga  Ga10  1  1.000  0.334  0.921  1.0
  Ga  Ga11  1  0.666  0.000  0.079  1.0
  Ga  Ga12  1  0.666  0.000  0.421  1.0
  Ga  Ga13  1  0.334  1.000  0.579  1.0
  Ga  Ga14  1  0.333  0.333  0.067  1.0
  Ga  Ga15  1  0.667  0.667  0.933  1.0
  Ga  Ga16  1  0.667  0.667  0.567  1.0
  Ga  Ga17  1  0.333  0.333  0.433  1.0
  Ga  Ga18  1  0.338  0.544  0.750  1.0
  Ga  Ga19  1  0.662  0.456  0.250  1.0
  Ga  Ga20  1  0.544  0.338  0.750  1.0
  Ga  Ga21  1  0.456  0.662  0.250  1.0
  Ir  Ir22  1  0.671  0.329  0.500  1.0
  Ir  Ir23  1  0.329  0.671  0.500  1.0
  Ir  Ir24  1  0.329  0.671  0.000  1.0
  Ir  Ir25  1  0.671  0.329  0.000  1.0
  Ir  Ir26  1  0.000  0.000  0.500  1.0
  Ir  Ir27  1  0.000  0.000  0.000  1.0
[/CIF]
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