#------------------------------------------------------------------------------
#$Date: 2008-01-14 00:15:36 +0200 (Mon, 14 Jan 2008) $
#$Revision: 14 $
#$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/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_9008080
_chemical_name 'Gwihabaite'
loop_
_publ_author_name
'Amoros J L'
'Arrese F'
'Canut M'
_journal_name_full "Zeitschrift fur Kristallographie"
_journal_volume 117
_journal_year 1962
_journal_page_first 92
_journal_page_last 107
_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
;
_chemical_formula_sum 'N2 O3 H4'
_cell_length_a 7.98
_cell_length_b 7.98
_cell_length_c 9.78
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 622.794
_symmetry_space_group_name_H-M 'P 42'
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_Uiso_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