The structure described by YWF5 crystallizes in the orthorhombic Immm space group. Y(1) is bonded to two equivalent F(1), two equivalent F(2), and two equivalent F(3) atoms to form YF6 octahedra that share corners with two equivalent Y(1)F6 octahedra and corners with six equivalent W(1)F6 octahedra. The corner-sharing octahedral tilt angles range from 0-60°. W(1) is bonded to two equivalent F(2) and four F(1,1) atoms to form distorted WF6 octahedra that share corners with six equivalent Y(1)F6 octahedra and edges with two equivalent W(1)F6 octahedra. The corner-sharing octahedral tilt angles range from 0-60°. There are four inequivalent F sites. In the first F site, F(1) is bonded in a trigonal planar geometry to one Y(1) and two equivalent W(1) atoms. In the second F site, F(2) is bonded in a linear geometry to one Y(1) and one W(1) atom. In the third F site, F(3) is bonded in a linear geometry to two equivalent Y(1) atoms. In the fourth F site, F(1) is bonded in a trigonal planar geometry to one Y(1) and two equivalent W(1) atoms. is represented by the CIF card [CIF]
data_YWF5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.967
_cell_length_b   5.967
_cell_length_c   5.967
_cell_angle_alpha   137.525
_cell_angle_beta   108.424
_cell_angle_gamma   86.926
_symmetry_Int_Tables_number   1
_cell_volume   130.689
_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
  Y  Y0  1  0.500  0.500  0.000  1.0
  W  W1  1  0.000  0.000  0.000  1.0
  F  F2  1  0.818  0.500  0.318  1.0
  F  F3  1  0.182  0.500  0.682  1.0
  F  F4  1  0.247  0.247  0.000  1.0
  F  F5  1  0.753  0.753  0.000  1.0
  F  F6  1  0.500  0.000  0.500  1.0
[/CIF]
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The structure described by YWF5 crystallizes in the orthorhombic Immm space group. Y(1) is bonded to two equivalent F(1), two equivalent F(2), and two equivalent F(3) atoms to form YF6 octahedra that share corners with two equivalent Y(1)F6 octahedra and corners with six equivalent W(1)F6 octahedra. The corner-sharing octahedral tilt angles range from 0-60°. W(1) is bonded to two equivalent F(2) and four F(1,1) atoms to form distorted WF6 octahedra that share corners with six equivalent Y(1)F6 octahedra and edges with two equivalent W(1)F6 octahedra. The corner-sharing octahedral tilt angles range from 0-60°. There are four inequivalent F sites. In the first F site, F(1) is bonded in a trigonal planar geometry to one Y(1) and two equivalent W(1) atoms. In the second F site, F(2) is bonded in a linear geometry to one Y(1) and one W(1) atom. In the third F site, F(3) is bonded in a linear geometry to two equivalent Y(1) atoms. In the fourth F site, F(1) is bonded in a trigonal planar geometry to one Y(1) and two equivalent W(1) atoms. is represented by the CIF card [CIF]
data_YWF5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.967
_cell_length_b   5.967
_cell_length_c   5.967
_cell_angle_alpha   137.525
_cell_angle_beta   108.424
_cell_angle_gamma   86.926
_symmetry_Int_Tables_number   1
_cell_volume   130.689
_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
  Y  Y0  1  0.500  0.500  0.000  1.0
  W  W1  1  0.000  0.000  0.000  1.0
  F  F2  1  0.818  0.500  0.318  1.0
  F  F3  1  0.182  0.500  0.682  1.0
  F  F4  1  0.247  0.247  0.000  1.0
  F  F5  1  0.753  0.753  0.000  1.0
  F  F6  1  0.500  0.000  0.500  1.0
[/CIF]
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