The crystal structure described by Ac3Mo is Uranium Silicide-like structured and crystallizes in the tetragonal I4/mmm space group. There are two inequivalent Ac sites. In the first Ac site, Ac(1) is bonded to four equivalent Ac(1), four equivalent Ac(2), and four equivalent Mo(1) atoms to form distorted AcAc8Mo4 cuboctahedra that share corners with twelve equivalent Ac(1)Ac8Mo4 cuboctahedra, edges with eight equivalent Ac(1)Ac8Mo4 cuboctahedra, edges with eight equivalent Mo(1)Ac12 cuboctahedra, faces with four equivalent Mo(1)Ac12 cuboctahedra, and faces with ten equivalent Ac(1)Ac8Mo4 cuboctahedra. In the second Ac site, Ac(2) is bonded in a square co-planar geometry to eight equivalent Ac(1) and four equivalent Mo(1) atoms. Mo(1) is bonded to four equivalent Ac(2) and eight equivalent Ac(1) atoms to form MoAc12 cuboctahedra that share corners with four equivalent Mo(1)Ac12 cuboctahedra, edges with eight equivalent Mo(1)Ac12 cuboctahedra, edges with sixteen equivalent Ac(1)Ac8Mo4 cuboctahedra, faces with four equivalent Mo(1)Ac12 cuboctahedra, and faces with eight equivalent Ac(1)Ac8Mo4 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ac3Mo
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.473
_cell_length_b   6.473
_cell_length_c   6.473
_cell_angle_alpha   134.102
_cell_angle_beta   134.102
_cell_angle_gamma   66.929
_symmetry_Int_Tables_number   1
_cell_volume   137.582
_cell_formula_units_Z   1
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
  Ac  Ac0  1  0.750  0.250  0.500  1.0
  Ac  Ac1  1  0.250  0.750  0.500  1.0
  Ac  Ac2  1  0.500  0.500  0.000  1.0
  Mo  Mo3  1  0.000  0.000  0.000  1.0
[/CIF]
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The crystal structure described by Ac3Mo is Uranium Silicide-like structured and crystallizes in the tetragonal I4/mmm space group. There are two inequivalent Ac sites. In the first Ac site, Ac(1) is bonded to four equivalent Ac(1), four equivalent Ac(2), and four equivalent Mo(1) atoms to form distorted AcAc8Mo4 cuboctahedra that share corners with twelve equivalent Ac(1)Ac8Mo4 cuboctahedra, edges with eight equivalent Ac(1)Ac8Mo4 cuboctahedra, edges with eight equivalent Mo(1)Ac12 cuboctahedra, faces with four equivalent Mo(1)Ac12 cuboctahedra, and faces with ten equivalent Ac(1)Ac8Mo4 cuboctahedra. In the second Ac site, Ac(2) is bonded in a square co-planar geometry to eight equivalent Ac(1) and four equivalent Mo(1) atoms. Mo(1) is bonded to four equivalent Ac(2) and eight equivalent Ac(1) atoms to form MoAc12 cuboctahedra that share corners with four equivalent Mo(1)Ac12 cuboctahedra, edges with eight equivalent Mo(1)Ac12 cuboctahedra, edges with sixteen equivalent Ac(1)Ac8Mo4 cuboctahedra, faces with four equivalent Mo(1)Ac12 cuboctahedra, and faces with eight equivalent Ac(1)Ac8Mo4 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ac3Mo
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.473
_cell_length_b   6.473
_cell_length_c   6.473
_cell_angle_alpha   134.102
_cell_angle_beta   134.102
_cell_angle_gamma   66.929
_symmetry_Int_Tables_number   1
_cell_volume   137.582
_cell_formula_units_Z   1
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
  Ac  Ac0  1  0.750  0.250  0.500  1.0
  Ac  Ac1  1  0.250  0.750  0.500  1.0
  Ac  Ac2  1  0.500  0.500  0.000  1.0
  Mo  Mo3  1  0.000  0.000  0.000  1.0
[/CIF]
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