#------------------------------------------------------------------------------
#$Date: 2023-03-26 11:09:57 +0300 (Sun, 26 Mar 2023) $
#$Revision: 282068 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/00/98/9009883.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_9009883
loop_
_publ_author_name
'Schlemper, E. O.'
'Hamilton, W. C.'
_publ_section_title
;Neutron-diffraction study of the structures of ferroelectric and paraelectric
 ammonium sulfate Note: ferroelectric, T = 180 K Locality: synthetic
;
_journal_name_full               'Journal of Chemical Physics'
_journal_page_first              4498
_journal_page_last               4509
_journal_paper_doi               10.1063/1.1726666
_journal_volume                  44
_journal_year                    1966
_chemical_compound_source        Synthetic
_chemical_formula_sum            'H8 N2 O4 S'
_chemical_name_mineral           Mascagnite
_space_group_IT_number           33
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.837
_cell_length_b                   10.61
_cell_length_c                   5.967
_cell_volume                     496.159
_database_code_amcsd             0012987
_diffrn_ambient_temperature      180
_exptl_crystal_density_diffrn    1.769
_cod_depositor_comments
;
       Z value inserted to be consistent with given formula.
                           miguel.
;
_cod_original_formula_sum        'N2 H8 S O4'
_cod_database_code               9009883
loop_
_space_group_symop_operation_xyz
x,y,z
1/2+x,1/2-y,z
1/2-x,1/2+y,1/2+z
-x,-y,1/2+z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
N1 0.68080 0.39580 0.24500
N2 0.97960 0.69990 0.25600
H1 0.77100 0.33600 0.20200
H2 0.56400 0.36000 0.20600
H3 0.69100 0.48000 0.15700
H4 0.68200 0.41200 0.40800
H5 0.09200 0.65800 0.22200
H6 0.99000 0.79300 0.26500
H7 0.89600 0.67000 0.14200
H8 0.94500 0.67200 0.41200
S 0.24300 0.42100 0.25000
O1 0.06100 0.40200 0.21200
O2 0.28400 0.55700 0.22200
O3 0.33900 0.34600 0.08300
O4 0.29400 0.38200 0.47700
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 AMCSD 0012987
