data_global
_amcsd_formula_title 'Al F4 H4 N'
loop_
_publ_author_name
'Fourquet J'
'Plet F'
'Courbion G'
'Bulou A'
'de Pape R'
_journal_name_full 'Revue de Chimie Minerale'
_journal_volume 16 
_journal_year 1979
_journal_page_first 490
_journal_page_last 500
_publ_section_title
;
 Etude de la filiation structurale des phases M(I)AlF4
 (M(I) = K, Rb, Tl, N H4, Cs)
 _cod_database_code 1000199
;
_database_code_amcsd 0015388
_chemical_formula_sum 'N Al F4'
_cell_length_a 5.078
_cell_length_b 5.078
_cell_length_c 12.715
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 327.870
_exptl_crystal_density_diffrn      2.370
_symmetry_space_group_name_H-M 'I -4 c 2'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,1/2+z'
  'y,x,1/2-z'
  '1/2+y,1/2+x,-z'
  'y,-x,-z'
  '1/2+y,1/2-x,1/2-z'
  'x,-y,1/2+z'
  '1/2+x,1/2-y,+z'
  '-x,-y,z'
  '1/2-x,1/2-y,1/2+z'
  '-y,-x,1/2-z'
  '1/2-y,1/2-x,-z'
  '-y,x,-z'
  '1/2-y,1/2+x,1/2-z'
  '-x,y,1/2+z'
  '1/2-x,1/2+y,+z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
N1   0.00000   0.50000   0.25000
Al1   0.00000   0.00000   0.00000
F1   0.00000   0.00000   0.13860
F2   0.20970   0.70970   0.00000