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#$Date: 2015-10-10 13:53:21 +0300 (Sat, 10 Oct 2015) $
#$Revision: 165437 $
#$URL: file:///home/coder/svn-repositories/cod/cif/1/53/73/1537341.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_1537341
loop_
_publ_author_name
'Goodwin, T.H.'
'Whetstone, J.'
_publ_section_title
;
 The crystal structure of ammonium nitrate III, and atomic scattering
 factors in ionic crystals
;
_journal_name_full               'Journal of the Chemical Society'
_journal_page_first              1455
_journal_page_last               1461
_journal_volume                  1947
_journal_year                    1947
_chemical_formula_sum            'H4 N2 O3'
_chemical_name_systematic        '(N H4) (N O3)'
_space_group_IT_number           62
_symmetry_space_group_name_Hall  '-P 2c 2ab'
_symmetry_space_group_name_H-M   'P b n m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.14
_cell_length_b                   7.65
_cell_length_c                   5.83
_cell_volume                     318.440
_citation_journal_id_ASTM        JCSOA9
_cod_data_source_file            Goodwin_JCSOA9_1947_1493.cif
_cod_data_source_block           H4N2O3
_cod_cif_authors_sg_Hall         '-P 2ac 2n (z,x,y)'
_cod_original_cell_volume        318.4404
_cod_database_code               1537341
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
x+1/2,-y+1/2,-z
-x+1/2,y+1/2,-z+1/2
-x,-y,z+1/2
-x,-y,-z
-x-1/2,y-1/2,z
x-1/2,-y-1/2,z-1/2
x,y,-z-1/2
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
O2 O-2 0.295 0.085 0.25 1 0.0
N1 N+5 0.135 0.145 0.25 1 0.0
O1 O-2 0.055 0.175 0.065 1 0.0
N2 N-3 0.31 -0.025 -0.25 1 0.0