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#$Date: 2010-04-10 21:37:29 +0300 (Sat, 10 Apr 2010) $
#$Revision: 1071 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/9008080.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/. The original data for this entry
# were provided the American Mineralogist Crystal Structure Database,
# http://rruff.geo.arizona.edu/AMS/amcsd.php
#
# The file may be used within the scientific community so long as
# proper attribution is given to the journal article from which the
# data were obtained.
#
data_9008080
loop_
_publ_author_name
'Amoros, J. L.'
'Arrese, F.'
'Canut, M.'
_publ_section_title
;
 The crystal structure of the low-temperature phase of NH4NO3(V) at -150 deg C
 Note: sample at T = -150 C, this is a low temperature form
;
_journal_name_full               'Zeitschrift fur Kristallographie'
_journal_page_first              92
_journal_page_last               107
_journal_volume                  117
_journal_year                    1962
_chemical_formula_sum            'H4 N2 O3'
_chemical_name_mineral           Gwihabaite
_space_group_IT_number           77
_symmetry_space_group_name_Hall  'P 4c'
_symmetry_space_group_name_H-M   'P 42'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   7.98
_cell_length_b                   7.98
_cell_length_c                   9.78
_cell_volume                     622.794
_diffrn_ambient_temperature      123.15
_exptl_crystal_density_diffrn    1.707
_[local]_cod_data_source_file    cifdata.txt
_[local]_cod_data_source_block   'global_9852'
_[local]_cod_chemical_formula_sum_orig 'N2 O3 H4'
_cod_database_code               9008080
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-y,x,1/2+z
-x,-y,z
y,-x,1/2+z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
N 0.25000 0.25000 0.51800 0.00887
O1 0.12000 0.27000 0.45600 0.00887
O2 0.38000 0.23000 0.45600 0.00887
O3 0.25000 0.25000 0.64200 0.00887
N* 0.25000 0.25000 0.01800 0.00887
O*1 0.12000 0.23000 0.95600 0.00887
O*2 0.38000 0.27000 0.95600 0.00887
O*3 0.25000 0.25000 0.14200 0.00887
N 0.00000 0.00000 0.25000 0.00887
H1 0.07600 0.07600 0.19000 0.00887
H2 0.07600 -0.07600 0.31000 0.00887
N* 0.50000 0.00000 0.25000 0.00887
H*1 0.57600 0.07600 0.19000 0.00887
H*2 0.42400 0.07600 0.31000 0.00887
N* 0.50000 0.50000 0.25000 0.00887
H*1 0.42400 0.42400 0.31000 0.00887
H*2 0.42400 0.57600 0.19000 0.00887
N** 0.00000 0.50000 0.25000 0.00887
H**1 -0.07600 0.42400 0.31000 0.00887
H**2 -0.07600 0.57600 0.19000 0.00887