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#$Date: 2016-02-13 20:28:24 +0100 (Sat 13 de Feb de 2016) $
#$Revision: 176429 $
#$URL: svn://www.crystallography.net/cod/cif/1/52/74/1527431.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_1527431
loop_
_publ_author_name
'Gorbatyii, L.V.'
'Ponomarev, V.I.'
'Kheiker, D.M.'
_publ_section_title
;
 Crystal structure of ammonium trihydroselenite
;
_journal_name_full               Kristallografiya
_journal_page_first              1131
_journal_page_last               1134
_journal_volume                  17
_journal_year                    1972
_chemical_formula_sum            'H7 N O6 Se2'
_chemical_name_systematic        'N H4 H3 (Se O3)2'
_space_group_IT_number           19
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   17.718
_cell_length_b                   5.837
_cell_length_c                   6.307
_cell_volume                     652.270
_citation_journal_id_ASTM        KRISAJ
_cod_data_source_file            Gorbatyii_KRISAJ_1972_1909.cif
_cod_data_source_block           H7N1O6Se2
_cod_original_cell_volume        652.2698
_cod_original_formula_sum        'H7 N1 O6 Se2'
_cod_database_code               1527431
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x+1/2,-y,z+1/2
x+1/2,-y+1/2,-z
-x,y+1/2,-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 0.3253 0.416 -0.202 1 0.0
O4 O-2 -0.08428 0.467 0.0569 1 0.0
Se2 Se+4 0.01055 0.493 0.077 1 0.0
O5 O-2 0.4532 0.306 -0.102 1 0.0
O1 O-2 0.1906 0.328 0.196 1 0.0
O6 O-2 0.02873 0.752 -0.0434 1 0.0
N1 N-3 0.3333 0.977 0.539 1 0.0
Se1 Se+4 0.3565 0.459 0.0549 1 0.0
O3 O-2 0.3243 0.736 0.0911 1 0.0
