#------------------------------------------------------------------------------
#$Date: 2018-08-13 06:59:52 +0300 (Mon, 13 Aug 2018) $
#$Revision: 209648 $
#$URL: file:///home/coder/svn-repositories/cod/cif/1/20/00/1200012.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_1200012
loop_
_publ_author_name
'Ojima, K.'
'Nishihata, Y.'
'Sawada, A.'
_publ_section_title
;
 Structure of potassium sulfate at temperatures from 296 K down to 15 K
;
_journal_coden_ASTM              ASBSDK
_journal_issue                   3
_journal_name_full
;
 Acta Crystallographica, Section B: Structural Science
;
_journal_page_first              287
_journal_page_last               293
_journal_paper_doi               10.1107/S0108768194013327
_journal_volume                  51
_journal_year                    1995
_chemical_formula_moiety         '(K 1+)2, O4 S 2- '
_chemical_formula_structural     'K2 (S O4)'
_chemical_formula_sum            'K2 O4 S'
_chemical_formula_weight         158
_chemical_name_systematic        'Dipotassium sulfate'
_space_group_crystal_system      orthorhombic
_space_group_IT_number           62
_space_group_name_Hall           '-P 2n 2a'
_space_group_name_H-M_alt        'P m c n'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   5.7704(3)
_cell_length_b                   10.0712(9)
_cell_length_c                   7.4776(4)
_cell_measurement_temperature    296
_cell_volume                     434.6
_diffrn_ambient_temperature      296
_diffrn_radiation_type           Mo
_diffrn_radiation_wavelength     0.70926
_exptl_absorpt_coefficient_mu    2.49
_exptl_crystal_density_diffrn    2.66
_refine_ls_number_parameters     41
_refine_ls_number_reflns         1429
_refine_ls_R_factor_all          0.036
_cod_duplicate_entry             2101318
_cod_depositor_comments
;
 Adding the moiety chemical formula and updating the systematic chemical name.

 Antanas Vaitkus,
 2018-08-13

 Updating space group information.

 Antanas Vaitkus,
 2018-08-13
;
_cod_database_code               1200012
loop_
_space_group_symop_id
_space_group_symop_operation_xyz
1 x,y,z
2 -x+1/2,-y+1/2,z+1/2
3 x+1/2,-y,-z
4 -x,y+1/2,-z+1/2
5 -x,-y,-z
6 x+1/2,y+1/2,-z+1/2
7 -x+1/2,y,z
8 x,-y+1/2,z+1/2
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
K1 0.0169(2) 0.0197(2) 0.0164(2) 0 0 0.0006(2)
K2 0.0185(2) 0.0150(1) 0.0132(1) 0 0 -0.0005(1)
S1 0.0101(1) 0.0095(1) 0.0101(1) 0 0 -0.0005(1)
O1 0.0382(11) 0.0318(10) 0.0089(5) 0 0 -0.0019(7)
O2 0.0254(8) 0.0120(6) 0.0210(7) 0 0 -0.0044(5)
O3 0.0140(4) 0.0227(5) 0.0298(6) -0.0063(4) 0.0032(5) 0.0052(5)
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_calc_flag
K1 K1+ 4 c 0.25 0.08935(6) 0.17398(7) 1 d
K2 K1+ 4 c 0.25 0.79550(5) 0.48915(7) 1 d
S1 S6+ 4 c 0.25 0.41985(5) 0.23295(7) 1 d
O1 O2- 4 c 0.25 0.4162(3) 0.0368(3) 1 d
O2 O2- 4 c 0.25 0.5585(2) 0.2976(3) 1 d
O3 O2- 8 d 0.0412(3) 0.3522(2) 0.3017(2) 1 d
loop_
_atom_type_symbol
_atom_type_oxidation_number
K1+ 1
S6+ 6
O2- -2
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 AMCSD 0018288
