data_1010271
_chemical_name_systematic          'Ammonium azide'
_chemical_formula_structural       'N H4 N3'
_chemical_formula_sum              'H4 N4'
_publ_section_title
;
The Crystal Structure of Ammonium Azide, N H~4~ N~3~
;
_publ_author_name                  'Frevel, L K'
_journal_name_full
;
Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik,
Kristallchemie (-144,1977)
;
_journal_coden_ASTM                ZEKGAX
_journal_volume                    94
_journal_year                      1936
_journal_page_first                197
_journal_page_last                 211
_cell_length_a                     8.930(3)
_cell_length_b                     8.642(3)
_cell_length_c                     3.800(2)
_cell_angle_alpha                  90
_cell_angle_beta                   90
_cell_angle_gamma                  90
_cell_volume                       293.3
_cell_formula_units_Z              4
_symmetry_space_group_name_H-M     'P m a n'
_symmetry_Int_Tables_number        53
_symmetry_cell_setting             orthorhombic
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  'x,-y,-z'
  '1/2-x,1/2-y,z'
  '1/2-x,1/2+y,-z'
  '-x,-y,-z'
  '-x,y,z'
  '1/2+x,1/2+y,-z'
  '1/2+x,1/2-y,z'
loop_
_atom_type_symbol
_atom_type_oxidation_number
  N0-   -0.330
  N3-   -3.000
  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    N0-    2 a 0. 0. 0. 1.  0 d
  N2    N0-    2 b 0.5 0. 0. 1.  0 d
  N3    N0-    4 e 0.131(2) 0. 0. 1.  0 d
  N4    N0-    4 h 0.5 0.123(2) 0.120(7) 1.  0 d
  N5    N3-    4 g 0.25 0.25 0.533(3) 1.  4 d
  H1    H1+    4 g -1. -1. -1. 4.  0 dum