The structure described by MgAgF5 crystallizes in the monoclinic C2/c space group. Mg(1) is bonded to one F(1), two equivalent F(2), and two equivalent F(3) atoms to form MgF5 trigonal bipyramids that share corners with six equivalent Ag(1)F6 octahedra. The corner-sharing octahedral tilt angles range from 7-62°. Ag(1) is bonded to two equivalent F(1), two equivalent F(2), and two equivalent F(3) atoms to form AgF6 octahedra that share corners with two equivalent Ag(1)F6 octahedra and corners with six equivalent Mg(1)F5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 56°. There are three inequivalent F sites. In the first F site, F(1) is bonded in a trigonal planar geometry to one Mg(1) and two equivalent Ag(1) atoms. In the second F site, F(2) is bonded in a linear geometry to one Mg(1) and one Ag(1) atom. In the third F site, F(3) is bonded in a bent 150 degrees geometry to one Mg(1) and one Ag(1) atom. is represented by the CIF card [CIF]
data_MgAgF5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.500
_cell_length_b   5.500
_cell_length_c   8.466
_cell_angle_alpha   66.578
_cell_angle_beta   66.578
_cell_angle_gamma   69.428
_symmetry_Int_Tables_number   1
_cell_volume   209.904
_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
  Mg  Mg0  1  0.511  0.489  0.750  1.0
  Mg  Mg1  1  0.489  0.511  0.250  1.0
  Ag  Ag2  1  0.000  0.000  0.000  1.0
  Ag  Ag3  1  0.000  0.000  0.500  1.0
  F  F4  1  0.181  0.819  0.250  1.0
  F  F5  1  0.819  0.181  0.750  1.0
  F  F6  1  0.228  0.268  0.367  1.0
  F  F7  1  0.732  0.772  0.133  1.0
  F  F8  1  0.702  0.326  0.061  1.0
  F  F9  1  0.674  0.298  0.439  1.0
  F  F10  1  0.298  0.674  0.939  1.0
  F  F11  1  0.326  0.702  0.561  1.0
  F  F12  1  0.268  0.228  0.867  1.0
  F  F13  1  0.772  0.732  0.633  1.0
[/CIF]
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The structure described by MgAgF5 crystallizes in the monoclinic C2/c space group. Mg(1) is bonded to one F(1), two equivalent F(2), and two equivalent F(3) atoms to form MgF5 trigonal bipyramids that share corners with six equivalent Ag(1)F6 octahedra. The corner-sharing octahedral tilt angles range from 7-62°. Ag(1) is bonded to two equivalent F(1), two equivalent F(2), and two equivalent F(3) atoms to form AgF6 octahedra that share corners with two equivalent Ag(1)F6 octahedra and corners with six equivalent Mg(1)F5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 56°. There are three inequivalent F sites. In the first F site, F(1) is bonded in a trigonal planar geometry to one Mg(1) and two equivalent Ag(1) atoms. In the second F site, F(2) is bonded in a linear geometry to one Mg(1) and one Ag(1) atom. In the third F site, F(3) is bonded in a bent 150 degrees geometry to one Mg(1) and one Ag(1) atom. is represented by the CIF card [CIF]
data_MgAgF5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.500
_cell_length_b   5.500
_cell_length_c   8.466
_cell_angle_alpha   66.578
_cell_angle_beta   66.578
_cell_angle_gamma   69.428
_symmetry_Int_Tables_number   1
_cell_volume   209.904
_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
  Mg  Mg0  1  0.511  0.489  0.750  1.0
  Mg  Mg1  1  0.489  0.511  0.250  1.0
  Ag  Ag2  1  0.000  0.000  0.000  1.0
  Ag  Ag3  1  0.000  0.000  0.500  1.0
  F  F4  1  0.181  0.819  0.250  1.0
  F  F5  1  0.819  0.181  0.750  1.0
  F  F6  1  0.228  0.268  0.367  1.0
  F  F7  1  0.732  0.772  0.133  1.0
  F  F8  1  0.702  0.326  0.061  1.0
  F  F9  1  0.674  0.298  0.439  1.0
  F  F10  1  0.298  0.674  0.939  1.0
  F  F11  1  0.326  0.702  0.561  1.0
  F  F12  1  0.268  0.228  0.867  1.0
  F  F13  1  0.772  0.732  0.633  1.0
[/CIF]
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