#------------------------------------------------------------------------------
#$Date: 2015-01-27 21:58:39 +0200 (Tue, 27 Jan 2015) $
#$Revision: 130149 $
#$URL: file:///home/coder/svn-repositories/cod/cif/1/10/00/1100020.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_1100020
loop_
_publ_author_name
'Donaldson, J D'
'Moser, W'
'Simpson, W B'
_publ_section_title
;
The structure of the red modification of tin(II)oxide
;
_journal_name_full               'Acta Crystallographica (1,1948-23,1967)'
_journal_page_first              A22
_journal_page_last               A22
_journal_volume                  16
_journal_year                    1963
_chemical_formula_structural     'Sn O'
_chemical_formula_sum            'O Sn'
_chemical_name_systematic        'Tin (II) oxide - red modification'
_space_group_IT_number           36
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      36
_symmetry_space_group_name_Hall  'C 2c -2'
_symmetry_space_group_name_H-M   'C m c 21'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   5.
_cell_length_b                   5.72
_cell_length_c                   11.12
_cell_volume                     318.0
_cod_database_code               1100020
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x,y,z
-x,-y,1/2+z
x,-y,1/2+z
1/2+x,1/2+y,z
1/2-x,1/2+y,z
1/2-x,1/2-y,1/2+z
1/2+x,1/2-y,1/2+z
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_symmetry_multiplicity
_atom_site_Wyckoff_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_attached_hydrogens
_atom_site_calc_flag
Sn1 Sn2+ 4 a 0. 0. 0. 1. 0 d
Sn2 Sn2+ 4 a 0. 0.441 0.254 1. 0 d
O1 O2- 8 b 0.18 0.25 0.38 1. 0 d
loop_
_atom_type_symbol
_atom_type_oxidation_number
Sn2+ 2.000
O2- -2.000