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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/7/22/26/7222682.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_7222682
loop_
_publ_author_name
'Weil, M.'
_publ_section_title
;
 Hydrothermal single crystal growth and crystal structures of the
 mercury(II) selenates(VI) Hg Se O4, Hg Se O4 * (Hg O) and Hg Se O4 * 2(Hg
 O)
;
_journal_name_full
;
Zeitschrift fuer Naturforschung, Teil B. Anorganische Chemie, Organische 
Chemie (42,1987-)
;
_journal_page_first              1043
_journal_page_last               1050
_journal_volume                  57
_journal_year                    2002
_chemical_formula_sum            'Hg O4 Se'
_chemical_name_systematic        'Hg (Se O4)'
_space_group_IT_number           31
_symmetry_space_group_name_Hall  'P 2ac -2'
_symmetry_space_group_name_H-M   'P m n 21'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   6.7311
_cell_length_b                   4.9308
_cell_length_c                   4.989
_cell_volume                     165.583
_citation_journal_id_ASTM        ZNBSEN
_cod_data_source_file            Weil_ZNBSEN_2002_586.cif
_cod_data_source_block           Hg1O4Se1
_cod_original_cell_volume        165.5835
_cod_original_formula_sum        'Hg1 O4 Se1'
_cod_database_code               7222682
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x+1/2,-y,z+1/2
-x,y,z
x+1/2,-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 0.667 0.4164 1 0.0
Hg1 Hg+2 0 0.85409 0 1 0.0
O3 O-2 0 0.2996 0.8072 1 0.0
Se1 Se+6 0 0.34047 0.4806 1 0.0
O1 O-2 0.6924 0.8096 0.8338 1 0.0
