#------------------------------------------------------------------------------
#$Date: 2023-03-24 18:37:27 +0200 (Fri, 24 Mar 2023) $
#$Revision: 282053 $
#$URL: file:///home/coder/svn-repositories/cod/cif/1/10/00/1100021.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_1100021
loop_
_publ_author_name
'Izumi, F'
_publ_section_title
;
 Pattern-fitting structure refinement of tin(II) oxide
;
_journal_name_full               'Journal of Solid State Chemistry'
_journal_page_first              381
_journal_page_last               385
_journal_paper_doi               10.1016/0022-4596(81)90068-2
_journal_volume                  38
_journal_year                    1981
_chemical_compound_source        Synthetic
_chemical_formula_sum            'O Sn'
_chemical_name_mineral           Romarchite
_chemical_name_systematic        'Tin oxide'
_space_group_IT_number           129
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P 4ab 2ab -1ab'
_symmetry_space_group_name_H-M   'P 4/n m m :1'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   3.7986(1)
_cell_length_b                   3.7986(1)
_cell_length_c                   4.8408(2)
_cell_volume                     69.8
_database_code_amcsd             0013417
_exptl_crystal_density_diffrn    6.405
_exptl_crystal_density_meas      6.4
_refine_ls_R_factor_all          0.177
_cod_original_sg_symbol_H-M      'P 4/n m m S'
_cod_database_code               1100021
loop_
_space_group_symop_operation_xyz
x,y,z
-x,-y,z
1/2+x,1/2+y,-z
1/2-x,1/2-y,-z
-x,y,z
x,-y,z
1/2-x,1/2+y,-z
1/2+x,1/2-y,-z
-y,x,-z
y,-x,-z
1/2-y,1/2+x,z
1/2+y,1/2-x,z
y,x,-z
-y,-x,-z
1/2+y,1/2+x,z
1/2-y,1/2-x,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+ 2 c 0.5 0. 0.2369(3) 1. 0 d
O1 O2- 2 a 0. 0. 0. 1. 0 d
loop_
_atom_type_symbol
_atom_type_oxidation_number
Sn2+ 2.000
O2- -2.000