#------------------------------------------------------------------------------
#$Date: 2016-02-14 16:26:36 +0200 (Sun, 14 Feb 2016) $
#$Revision: 176435 $
#$URL: svn://www.crystallography.net/cod/cif/2/01/00/2010024.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_2010024
loop_
_publ_author_name
'El Fadli, Z.'
'Lemoine, P.'
'Tomas, A.'
'Guittard, M.'
_publ_section_title
;
 Sulfure d'ytterbium, de calcium et de potassium, CaK~0,5~Yb~1,833~S₄
;
_journal_issue                   9
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              1373
_journal_page_last               1375
_journal_paper_doi               10.1107/S010827019400137X
_journal_volume                  50
_journal_year                    1994
_chemical_formula_moiety         'Ca1 K0.5 Yb1.833 S4'
_chemical_formula_sum            'Ca K0.5 S4 Yb1.833'
_chemical_formula_weight         505,05
_space_group_IT_number           186
_symmetry_cell_setting           hexagonal
_symmetry_space_group_name_Hall  'P 6c -2c'
_symmetry_space_group_name_H-M   'P 63 m c'
_atom_type_scat_source           IntTabIV
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            2
_cell_length_a                   3.901(2)
_cell_length_b                   3.901(2)
_cell_length_c                   29.35(4)
_cell_measurement_reflns_used    14
_cell_measurement_temperature    293
_cell_measurement_theta_max      10.61
_cell_measurement_theta_min      2.76
_cell_volume                     386.8(6)
_diffrn_measurement_device       'automatique Syntex '
_diffrn_measurement_method
'ω/2θ, 2θ variant de 2θ₁-0.7 à 2θ₂+0.7°'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       2
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       37
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            185
_diffrn_reflns_theta_max         27.50
_diffrn_standards_decay_%        0.01
_diffrn_standards_interval_count 50
_diffrn_standards_number         '3 (004, 0\=17, 2\=10)'
_exptl_absorpt_coefficient_mu    23.84
_exptl_absorpt_correction_T_max  0.711
_exptl_absorpt_correction_T_min  0.212
_exptl_absorpt_correction_type
; programme de Ibers d'apr\`es m\'ethode analytique de
De Meulenaer & Tompa (1965)
;
_exptl_crystal_colour            vert
_exptl_crystal_density_diffrn    4.33(6)
_exptl_crystal_density_meas      3.9(4)
_exptl_crystal_description       'plaquette hexagonale irrégulière'
_exptl_crystal_size_max          0.001
_exptl_crystal_size_mid          0.006
_exptl_crystal_size_min          0.015
_refine_diff_density_max         1.47
_refine_diff_density_min         -1.27
_refine_ls_extinction_coef       0.0501
_refine_ls_extinction_method
'Becker & Coppens (1974), Type I, distribution Gaussienne'
_refine_ls_goodness_of_fit_obs   0.32
_refine_ls_number_parameters     9
_refine_ls_number_reflns         163
_refine_ls_R_factor_obs          0.0427
_refine_ls_shift/esd_max         0.0001
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details     'w = 1/σ²(F)'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_obs         0.059
_reflns_number_observed          163
_reflns_number_total             185
_reflns_observed_criterion       I>=4\s(I)
_cod_data_source_file            du1053.cif
_cod_data_source_block           du1053_structure_1_of_1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_refine_ls_weighting_scheme' value '1/\s^2^(F)' was changed to
'calc'. New tag '_refine_ls_weighting_details' was created. The value
of the new tag was set to 'w = 1/\s^2^(F)'.

Automatic conversion script
Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas 
;
_cod_original_cell_volume        386.9(6)
_cod_original_formula_sum        'Ca1 K0.5 Yb1.833 S4'
_cod_database_code               2010024
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-y,x-y,z
y-x,-x,z
-x,-y,1/2+z
y,y-x,1/2+z
x-y,x,1/2+z
-y,-x,z
y-x,y,z
x,x-y,z
y,x,1/2+z
x-y,-y,1/2+z
-x,y-x,1/2+z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_occupancy
Yb(1) .333 .666 .7074(2) .0080(10) 1
Yb(2) .333 .666 .4332(2) .0050(10) 0.833
Ca .0 .0 .3252(8) .022(6) 1
K(1) .333 .666 .068(3) .05(5) 0.25
K(2) .666 .333 .068(4) .06(5) 0.25
S(1) .333 .666 .8799(8) .016(7) 1
S(2) .0 .0 .1567(6) .010(7) 1
S(3) .333 .666 .2630 .013(4) 1
S(4) .0 .0 .4785(6) .009(6) 1
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_site_symmetry_2
_geom_bond_distance
_geom_bond_publ_flag
Yb(1) S(2) 4_665 2.690(10) yes
Yb(1) S(3) 4_665 2.780(10) yes
Yb(2) S(4) 1_565 2.620(10) yes
Yb(2) S(1) 4_674 2.75(2) yes
Ca S(1) 4_554 2.76(2) yes
Ca S(3) 1_545 2.90(2) yes
K(1) S(2) 1_565 3.45(7) yes
K(1) S(4) 4_554 3.46(8) yes
K(2) S(2) 1_665 3.45(7) yes
K(2) S(4) 4_554 3.5(2) yes
