#------------------------------------------------------------------------------
#$Date: 2016-02-14 15:26:36 +0100 (dom 14 de feb de 2016) $
#$Revision: 176435 $
#$URL: svn://www.crystallography.net/cod/cif/2/00/95/2009509.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/. The original data for this entry
# were provided by IUCr Journals, http://journals.iucr.org/.
#
# The file may be used within the scientific community so long as
# proper attribution is given to the journal article from which the
# data were obtained.
#
data_2009509
loop_
_publ_author_name
'Ichikawa, Mizuhiko'
'Gustafsson, Torbjörn'
'Olovsson, Ivar'
_publ_section_title
;
 K₃H(SeO₄)₂ at 297 and 30 K
;
_journal_issue                   3
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              330
_journal_page_last               332
_journal_paper_doi               10.1107/S0108270193009709
_journal_volume                  50
_journal_year                    1994
_chemical_formula_moiety         'K3 , [H O8 Se2]'
_chemical_formula_structural     'K3 H (Se O4)2'
_chemical_formula_sum            'H K3 O8 Se2'
_chemical_formula_weight         404.2
_chemical_name_systematic
;
Tripotassium hydrogenbis(selenate)
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-A 2ya'
_symmetry_space_group_name_H-M   'A 1 2/a 1'
_cell_angle_alpha                90.0
_cell_angle_beta                 103.638(7)
_cell_angle_gamma                90.0
_cell_formula_units_Z            4
_cell_length_a                   10.1325(5)
_cell_length_b                   5.9042(3)
_cell_length_c                   14.9620(7)
_cell_measurement_reflns_used    31
_cell_measurement_temperature    297
_cell_measurement_theta_max      29.7
_cell_measurement_theta_min      25.7
_cell_volume                     869.85(8)
_computing_cell_refinement       'LATCON (Lundgren, 1983)'
_computing_data_collection       DIF4
_computing_data_reduction        'STOEDATRED & ABSSTOE (Lundgren, 1983)'
_computing_molecular_graphics    'ORTEP (Johnson, 1976)'
_computing_structure_refinement  'DUPALS (Lundgren, 1983)'
_diffrn_ambient_temperature      297
_diffrn_measurement_device       HUBER/STOE/ARACOR
_diffrn_measurement_method       ω/2θ
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine focus Philips Mo tube'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0222
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            5495
_diffrn_reflns_theta_max         39.94
_diffrn_reflns_theta_min         2.80
_diffrn_standards_decay_%        1.4
_diffrn_standards_interval_time  240
_diffrn_standards_number         6
_exptl_absorpt_coefficient_mu    9.86
_exptl_absorpt_correction_T_max  0.4658
_exptl_absorpt_correction_T_min  0.2868
_exptl_absorpt_correction_type   'ABSSTOE gaussian'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    3.086
_exptl_crystal_description       'hexagonal plate'
_exptl_crystal_F_000             760
_refine_diff_density_max         0.8
_refine_diff_density_min         -0.9
_refine_ls_extinction_coef       74.E2(3)
_refine_ls_extinction_method     'B-C type 1 Lorenzian isotropic'
_refine_ls_goodness_of_fit_obs   1.20
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     65
_refine_ls_number_reflns         5483
_refine_ls_R_factor_obs          0.0855
_refine_ls_shift/esd_max         0.04
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_scheme      sigma
_refine_ls_wR_factor_obs         0.0561
_reflns_number_observed          2697
_reflns_number_total             2697
_reflns_observed_criterion       '< 15sigma(I)'
_cod_data_source_file            ab1083.cif
_cod_data_source_block           297K
_cod_depositor_comments
;
The following automatic conversions were performed:

'_atom_site_thermal_displace_type' tag value 'Uij' was replaced with
'Uani' value 7 times.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_cell_volume        869.86(6)
_cod_original_sg_symbol_H-M      'A 2/a'
_cod_original_formula_sum        'H1 K3 O8 Se2'
_cod_database_code               2009509
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x,-y,-z
1/2-x,y,-z
1/2+x,-y,z
x,1/2+y,1/2+z
-x,1/2-y,1/2-z
1/2-x,1/2+y,1/2-z
1/2+x,1/2-y,1/2+z
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
_atom_site_aniso_type_symbol
K(1) .02254(13) .02662(13) .01998(14) .00000 .00298(11) .00000 K
K(2) .02407(11) .02652(10) .03032(13) .00046(7) .00363(9) .00639(7) K
Se .01581(5) .01567(5) .01608(5) .00070(2) .00341(3) .00041(3) Se
O(1) .0399(4) .0223(3) .0287(4) -.0077(3) .0134(3) .0025(3) O
O(2) .0373(4) .0364(4) .0149(3) .0032(3) .0035(3) -.0012(3) O
O(3) .0160(3) .0423(4) .0298(5) -.0007(2) .0018(3) -.0065(3) O
O(4) .0365(4) .0221(3) .0331(4) .0124(3) .0079(3) .0011(3) O
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_thermal_displace_type
_atom_site_refinement_flags
_atom_site_type_symbol
K(1) .25000 .75530(5) .00000 .0236 Uani S K
K(2) .65188(2) .73694(4) .19666(2) .0277 Uani . K
Se .460170(10) .232220(10) .116000(10) .0162 Uani . Se
O(1) .39807(8) .01316(12) .15738(5) .0305 Uani . O
O(2) .43537(9) .18101(15) .00208(5) .0302 Uani . O
O(3) .62379(8) .24914(12) .15450(7) .0301 Uani . O
O(4) .38288(8) .46464(12) .12963(6) .0313 Uani . O
H .021(4) .063(6) -.007(3) .062(11) Uiso . H
loop_
_atom_type_symbol
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
H .0 .0 'International Tables Vol IV Table 2.2B'
O .008 .006 'International Tables Vol IV Table 2.2B'
K+ .179 .250 'International Tables Vol IV Table 2.2B'
Se -.178 2.223 'International Tables Vol IV Table 2.2B'
loop_
_diffrn_standard_refln_index_h
_diffrn_standard_refln_index_k
_diffrn_standard_refln_index_l
1 1 3
2 2 2
4 0 2
3 -1 -1
-2 -2 2
-1 1 5
loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle
_geom_angle_publ_flag
O(1) Se O(2) 105.26(4) yes
O(1) Se O(3) 111.63(4) yes
O(1) Se O(4) 112.66(4) yes
O(2) Se O(3) 105.38(5) yes
O(2) Se O(4) 108.52(4) yes
O(3) Se O(4) 112.78(4) yes
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_site_symmetry_1
_geom_bond_site_symmetry_2
_geom_bond_distance
_geom_bond_publ_flag
K(1) O(1) . 1_565 2.9065(8) yes
K(1) O(2) . 1_565 3.1335(9) yes
K(1) O(2) . 2_665 3.2175(9) yes
K(1) O(3) . 2_665 2.8938(9) yes
K(1) O(4) . . 2.6996(9) yes
K(2) O(1) . 1_565 2.9843(8) yes
K(2) O(1) . 4_565 3.0718(8) yes
K(2) O(1) . 6_655 2.7797(8) yes
K(2) O(2) . 2_665 2.9357(8) yes
K(2) O(3) . . 2.9477(8) yes
K(2) O(3) . 1_565 3.0886(8) yes
K(2) O(3) . 7_655 2.7828(9) yes
K(2) O(4) . . 3.1194(8) yes
K(2) O(4) . 4_565 3.0014(8) yes
K(2) O(4) . 6_665 3.2273(8) yes
Se O(1) . . 1.6235(7) yes
Se O(2) . . 1.6906(8) yes
Se O(3) . . 1.6248(8) yes
Se O(4) . . 1.6165(8) yes
O(1) O(2) . . 2.6341(11) yes
O(1) O(3) . . 2.6871(11) yes
O(1) O(4) . . 2.6966(10) yes
O(2) O(3) . . 2.6372(12) yes
O(2) O(4) . . 2.6847(11) yes
O(3) O(4) . . 2.6995(11) yes
O(2) O(2) . 2_655 2.5153(18) yes
O(2) H . 3 0.82(4) ?
