The structure described by Li9Ag4 is gamma-brass-like structured and crystallizes in the orthorhombic Fmm2 space group. There are seven inequivalent Li sites. In the first Li site, Li(1) is bonded in a 5-coordinate geometry to one Li(3), two equivalent Li(4), one Ag(3), two equivalent Ag(1), and two equivalent Ag(2) atoms. In the second Li site, Li(2) is bonded in a 4-coordinate geometry to one Li(5), two equivalent Li(6), one Ag(1), one Ag(4), and two equivalent Ag(2) atoms. In the third Li site, Li(3) is bonded in a 11-coordinate geometry to one Li(1), two equivalent Li(4), two equivalent Li(6), two equivalent Li(7), one Ag(3), one Ag(4), and two equivalent Ag(2) atoms. In the fourth Li site, Li(4) is bonded in a 11-coordinate geometry to one Li(1), one Li(3), one Li(5), one Li(7), two equivalent Li(6), one Ag(1), one Ag(3), and three equivalent Ag(2) atoms. In the fifth Li site, Li(5) is bonded in a 11-coordinate geometry to one Li(2), two equivalent Li(4), two equivalent Li(6), one Ag(3), one Ag(4), two equivalent Ag(1), and two equivalent Ag(2) atoms. In the sixth Li site, Li(6) is bonded in a 11-coordinate geometry to one Li(2), one Li(3), one Li(5), one Li(7), two equivalent Li(4), one Ag(1), one Ag(4), and three equivalent Ag(2) atoms. In the seventh Li site, Li(7) is bonded in a distorted trigonal non-coplanar geometry to two equivalent Li(3), two equivalent Li(4), two equivalent Li(6), one Ag(4), and two equivalent Ag(2) atoms. There are four inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a 9-coordinate geometry to one Li(2), two equivalent Li(1), two equivalent Li(4), two equivalent Li(5), two equivalent Li(6), one Ag(3), and two equivalent Ag(2) atoms. In the second Ag site, Ag(2) is bonded in a 13-coordinate geometry to one Li(1), one Li(2), one Li(3), one Li(5), one Li(7), three equivalent Li(4), three equivalent Li(6), one Ag(1), and one Ag(2) atom. In the third Ag site, Ag(3) is bonded in a 13-coordinate geometry to two equivalent Li(1), two equivalent Li(3), two equivalent Li(5), four equivalent Li(4), one Ag(4), and two equivalent Ag(1) atoms. In the fourth Ag site, Ag(4) is bonded in a 13-coordinate geometry to two equivalent Li(2), two equivalent Li(3), two equivalent Li(5), two equivalent Li(7), four equivalent Li(6), and one Ag(3) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li9Ag4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.660
_cell_length_b   8.393
_cell_length_c   8.335
_cell_angle_alpha   70.550
_cell_angle_beta   55.006
_cell_angle_gamma   54.444
_symmetry_Int_Tables_number   1
_cell_volume   450.331
_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
  Li  Li0  1  0.229  0.991  0.771  1.0
  Li  Li1  1  0.009  0.771  0.991  1.0
  Li  Li2  1  0.770  0.230  0.991  1.0
  Li  Li3  1  0.009  0.991  0.230  1.0
  Li  Li4  1  0.347  0.288  0.653  1.0
  Li  Li5  1  0.339  0.003  0.369  1.0
  Li  Li6  1  0.631  0.711  0.661  1.0
  Li  Li7  1  0.712  0.653  0.288  1.0
  Li  Li8  1  0.289  0.369  0.003  1.0
  Li  Li9  1  0.997  0.661  0.711  1.0
  Li  Li10  1  0.651  0.349  0.719  1.0
  Li  Li11  1  0.644  0.634  0.004  1.0
  Li  Li12  1  0.366  0.356  0.281  1.0
  Li  Li13  1  0.281  0.719  0.349  1.0
  Li  Li14  1  0.719  0.004  0.634  1.0
  Li  Li15  1  0.996  0.281  0.356  1.0
  Li  Li16  1  0.668  0.001  0.332  1.0
  Li  Li17  1  0.999  0.332  0.001  1.0
  Ag  Ag18  1  0.342  0.658  0.001  1.0
  Ag  Ag19  1  0.999  0.001  0.658  1.0
  Ag  Ag20  1  0.349  0.010  0.996  1.0
  Ag  Ag21  1  0.004  0.354  0.651  1.0
  Ag  Ag22  1  0.359  0.641  0.641  1.0
  Ag  Ag23  1  0.646  0.996  0.010  1.0
  Ag  Ag24  1  0.990  0.651  0.354  1.0
  Ag  Ag25  1  0.655  0.345  0.345  1.0
[/CIF]
.
The structure described by Li9Ag4 is gamma-brass-like structured and crystallizes in the orthorhombic Fmm2 space group. There are seven inequivalent Li sites. In the first Li site, Li(1) is bonded in a 5-coordinate geometry to one Li(3), two equivalent Li(4), one Ag(3), two equivalent Ag(1), and two equivalent Ag(2) atoms. In the second Li site, Li(2) is bonded in a 4-coordinate geometry to one Li(5), two equivalent Li(6), one Ag(1), one Ag(4), and two equivalent Ag(2) atoms. In the third Li site, Li(3) is bonded in a 11-coordinate geometry to one Li(1), two equivalent Li(4), two equivalent Li(6), two equivalent Li(7), one Ag(3), one Ag(4), and two equivalent Ag(2) atoms. In the fourth Li site, Li(4) is bonded in a 11-coordinate geometry to one Li(1), one Li(3), one Li(5), one Li(7), two equivalent Li(6), one Ag(1), one Ag(3), and three equivalent Ag(2) atoms. In the fifth Li site, Li(5) is bonded in a 11-coordinate geometry to one Li(2), two equivalent Li(4), two equivalent Li(6), one Ag(3), one Ag(4), two equivalent Ag(1), and two equivalent Ag(2) atoms. In the sixth Li site, Li(6) is bonded in a 11-coordinate geometry to one Li(2), one Li(3), one Li(5), one Li(7), two equivalent Li(4), one Ag(1), one Ag(4), and three equivalent Ag(2) atoms. In the seventh Li site, Li(7) is bonded in a distorted trigonal non-coplanar geometry to two equivalent Li(3), two equivalent Li(4), two equivalent Li(6), one Ag(4), and two equivalent Ag(2) atoms. There are four inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a 9-coordinate geometry to one Li(2), two equivalent Li(1), two equivalent Li(4), two equivalent Li(5), two equivalent Li(6), one Ag(3), and two equivalent Ag(2) atoms. In the second Ag site, Ag(2) is bonded in a 13-coordinate geometry to one Li(1), one Li(2), one Li(3), one Li(5), one Li(7), three equivalent Li(4), three equivalent Li(6), one Ag(1), and one Ag(2) atom. In the third Ag site, Ag(3) is bonded in a 13-coordinate geometry to two equivalent Li(1), two equivalent Li(3), two equivalent Li(5), four equivalent Li(4), one Ag(4), and two equivalent Ag(1) atoms. In the fourth Ag site, Ag(4) is bonded in a 13-coordinate geometry to two equivalent Li(2), two equivalent Li(3), two equivalent Li(5), two equivalent Li(7), four equivalent Li(6), and one Ag(3) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li9Ag4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.660
_cell_length_b   8.393
_cell_length_c   8.335
_cell_angle_alpha   70.550
_cell_angle_beta   55.006
_cell_angle_gamma   54.444
_symmetry_Int_Tables_number   1
_cell_volume   450.331
_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
  Li  Li0  1  0.229  0.991  0.771  1.0
  Li  Li1  1  0.009  0.771  0.991  1.0
  Li  Li2  1  0.770  0.230  0.991  1.0
  Li  Li3  1  0.009  0.991  0.230  1.0
  Li  Li4  1  0.347  0.288  0.653  1.0
  Li  Li5  1  0.339  0.003  0.369  1.0
  Li  Li6  1  0.631  0.711  0.661  1.0
  Li  Li7  1  0.712  0.653  0.288  1.0
  Li  Li8  1  0.289  0.369  0.003  1.0
  Li  Li9  1  0.997  0.661  0.711  1.0
  Li  Li10  1  0.651  0.349  0.719  1.0
  Li  Li11  1  0.644  0.634  0.004  1.0
  Li  Li12  1  0.366  0.356  0.281  1.0
  Li  Li13  1  0.281  0.719  0.349  1.0
  Li  Li14  1  0.719  0.004  0.634  1.0
  Li  Li15  1  0.996  0.281  0.356  1.0
  Li  Li16  1  0.668  0.001  0.332  1.0
  Li  Li17  1  0.999  0.332  0.001  1.0
  Ag  Ag18  1  0.342  0.658  0.001  1.0
  Ag  Ag19  1  0.999  0.001  0.658  1.0
  Ag  Ag20  1  0.349  0.010  0.996  1.0
  Ag  Ag21  1  0.004  0.354  0.651  1.0
  Ag  Ag22  1  0.359  0.641  0.641  1.0
  Ag  Ag23  1  0.646  0.996  0.010  1.0
  Ag  Ag24  1  0.990  0.651  0.354  1.0
  Ag  Ag25  1  0.655  0.345  0.345  1.0
[/CIF]
.