The structure described by K2Sn(NH2)6 crystallizes in the trigonal R-3 space group. K(1) is bonded in a 9-coordinate geometry to six equivalent N(1) and three equivalent H(2) atoms. Sn(1) is bonded in an octahedral geometry to six equivalent N(1) atoms. N(1) is bonded in a distorted water-like geometry to two equivalent K(1), one Sn(1), one H(1), and one H(2) atom. There are two inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one N(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one K(1) and one N(1) atom. is represented by the CIF file [CIF]
data_K2Sn(H2N)6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.696
_cell_length_b   7.696
_cell_length_c   7.696
_cell_angle_alpha   50.301
_cell_angle_beta   50.301
_cell_angle_gamma   50.301
_symmetry_Int_Tables_number   1
_cell_volume   248.486
_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
  K  K0  1  0.180  0.180  0.180  1.0
  K  K1  1  0.820  0.820  0.820  1.0
  Sn  Sn2  1  0.000  0.000  0.000  1.0
  H  H3  1  0.283  0.258  0.685  1.0
  H  H4  1  0.258  0.685  0.283  1.0
  H  H5  1  0.685  0.283  0.258  1.0
  H  H6  1  0.717  0.742  0.315  1.0
  H  H7  1  0.742  0.315  0.717  1.0
  H  H8  1  0.315  0.717  0.742  1.0
  H  H9  1  0.457  0.991  0.671  1.0
  H  H10  1  0.991  0.671  0.457  1.0
  H  H11  1  0.671  0.457  0.991  1.0
  H  H12  1  0.543  0.009  0.329  1.0
  H  H13  1  0.009  0.329  0.543  1.0
  H  H14  1  0.329  0.543  0.009  1.0
  N  N15  1  0.334  0.074  0.795  1.0
  N  N16  1  0.074  0.795  0.334  1.0
  N  N17  1  0.795  0.334  0.074  1.0
  N  N18  1  0.666  0.926  0.205  1.0
  N  N19  1  0.926  0.205  0.666  1.0
  N  N20  1  0.205  0.666  0.926  1.0
[/CIF]
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The structure described by K2Sn(NH2)6 crystallizes in the trigonal R-3 space group. K(1) is bonded in a 9-coordinate geometry to six equivalent N(1) and three equivalent H(2) atoms. Sn(1) is bonded in an octahedral geometry to six equivalent N(1) atoms. N(1) is bonded in a distorted water-like geometry to two equivalent K(1), one Sn(1), one H(1), and one H(2) atom. There are two inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one N(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one K(1) and one N(1) atom. is represented by the CIF file [CIF]
data_K2Sn(H2N)6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.696
_cell_length_b   7.696
_cell_length_c   7.696
_cell_angle_alpha   50.301
_cell_angle_beta   50.301
_cell_angle_gamma   50.301
_symmetry_Int_Tables_number   1
_cell_volume   248.486
_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
  K  K0  1  0.180  0.180  0.180  1.0
  K  K1  1  0.820  0.820  0.820  1.0
  Sn  Sn2  1  0.000  0.000  0.000  1.0
  H  H3  1  0.283  0.258  0.685  1.0
  H  H4  1  0.258  0.685  0.283  1.0
  H  H5  1  0.685  0.283  0.258  1.0
  H  H6  1  0.717  0.742  0.315  1.0
  H  H7  1  0.742  0.315  0.717  1.0
  H  H8  1  0.315  0.717  0.742  1.0
  H  H9  1  0.457  0.991  0.671  1.0
  H  H10  1  0.991  0.671  0.457  1.0
  H  H11  1  0.671  0.457  0.991  1.0
  H  H12  1  0.543  0.009  0.329  1.0
  H  H13  1  0.009  0.329  0.543  1.0
  H  H14  1  0.329  0.543  0.009  1.0
  N  N15  1  0.334  0.074  0.795  1.0
  N  N16  1  0.074  0.795  0.334  1.0
  N  N17  1  0.795  0.334  0.074  1.0
  N  N18  1  0.666  0.926  0.205  1.0
  N  N19  1  0.926  0.205  0.666  1.0
  N  N20  1  0.205  0.666  0.926  1.0
[/CIF]
.