data_1010102
_chemical_name_systematic          'Ammonium hexafluorogermanate'
_chemical_formula_structural       '(N H4)2 Ge F6'
_chemical_formula_sum              'H8 F6 Ge N2'
_publ_section_title
;
Ytructures of Complex Fluorides. Potassium Hexafluogermanate and
Ammonium Hexafluogermanate
;
loop_
_publ_author_name
  'Hoard, J L'
  'Vincent, W B'
_journal_name_full                 'Journal of the American Chemical Society'
_journal_coden_ASTM                JACSAT
_journal_volume                    61
_journal_year                      1939
_journal_page_first                2849
_journal_page_last                 2852
_cell_length_a                     5.85(1)
_cell_length_b                     5.85(1)
_cell_length_c                     4.775(10)
_cell_angle_alpha                  90
_cell_angle_beta                   90
_cell_angle_gamma                  120
_cell_volume                       141.5
_cell_formula_units_Z              1
_exptl_crystal_density_meas        2.64
_symmetry_space_group_name_H-M     'P -3 m 1'
_symmetry_Int_Tables_number        164
_symmetry_cell_setting             trigonal
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  '-y,x-y,z'
  'y-x,-x,z'
  '-y,-x,z'
  'x,x-y,z'
  'y-x,y,z'
  '-x,-y,-z'
  'y,y-x,-z'
  'x-y,x,-z'
  'y,x,-z'
  '-x,y-x,-z'
  'x-y,-y,-z'
loop_
_atom_type_symbol
_atom_type_oxidation_number
  N3-   -3.000
  Ge4+   4.000
  F1-   -1.000
  H1+    1.000
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_symmetry_multiplicity
_atom_site_Wyckoff_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_attached_hydrogens
_atom_site_calc_flag
  N1    N3-    2 d 0.3333 0.6667 0.695 1.  4 d
  Ge1   Ge4+   1 a 0. 0. 0. 1.  0 d
  F1    F1-    6 i 0.143 0.857 0.214 1.  0 d
  H1    H1+   12 j -1. -1. -1. 0.667  0 dum