Crystal structures and stability of trigonal KLnF4 fluorides (Ln = Y, Ho, Er, Tm, Yb).
Grzechnik, Andrzej; Khaidukov, Nicholas; Friese, Karen; Dalton transactions (Cambridge, England : 2003) 42 (2013) 441–447; doi:10.1039/c2dt31483e

data_7020658
_publ_section_title
;
 Crystal structures and stability of trigonal KLnF4 fluorides (Ln = Y, Ho,
 Er, Tm, Yb).
;
_journal_issue                   2
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              441
_journal_page_last               447
_journal_paper_doi               10.1039/c2dt31483e
_journal_volume                  42
_journal_year                    2013
_chemical_formula_sum            'F4 K Yb'
_chemical_formula_weight         432.2
_chemical_name_systematic        ' ?'
_space_group_IT_number           145
_symmetry_cell_setting           trigonal
_symmetry_Int_Tables_number      145
_symmetry_space_group_name_Hall  'P 32'
_symmetry_space_group_name_H-M   'P 32'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            18
_cell_length_a                   14.026(2)
_cell_length_b                   14.026(2)
_cell_length_c                   10.1190(10)
_cell_measurement_temperature    293
_cell_volume                     1724.0(4)
_diffrn_ambient_temperature      293
_diffrn_measured_fraction_theta_full 0.99
_diffrn_measured_fraction_theta_max 0
_diffrn_radiation_probe          x-ray
_diffrn_radiation_wavelength     0.4
_diffrn_reflns_av_R_equivalents  0.0739
_diffrn_reflns_av_sigmaI/netI    0.0602
_diffrn_reflns_limit_h_max       30
_diffrn_reflns_limit_h_min       -30
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -30
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            100600
_diffrn_reflns_theta_full        26.01
_diffrn_reflns_theta_max         26.01
_diffrn_reflns_theta_min         0.94
_exptl_absorpt_coefficient_mu    5.598
_exptl_crystal_density_diffrn    4.9938
_exptl_crystal_F_000             2250
_exptl_crystal_size_max          0.09
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.04
_refine_diff_density_max         3.32
_refine_diff_density_min         -4.05
_refine_ls_abs_structure_details
' 24125 of Friedel pairs used in the refinement'
_refine_ls_abs_structure_Flack   0
_refine_ls_extinction_coef       520(60)
_refine_ls_extinction_method
'B-C type 1 Gaussian isotropic (Becker & Coppens, 1974)'
_refine_ls_goodness_of_fit_gt    1.18
_refine_ls_goodness_of_fit_ref   1.09
_refine_ls_number_constraints    1
_refine_ls_number_parameters     231
_refine_ls_number_reflns         24602
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0587
_refine_ls_R_factor_gt           0.0381
_refine_ls_shift/su_max          0.0241
_refine_ls_shift/su_mean         0.0053
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details     w=1/(\s^2^(F)+0.0001F^2^)
_refine_ls_weighting_scheme      sigma
_refine_ls_wR_factor_gt          0.0353
_refine_ls_wR_factor_ref         0.0384
_reflns_number_gt                17621
_reflns_number_total             24602
_reflns_threshold_expression     I>3\s(I)
_cod_data_source_file            c2dt31483e.txt
_cod_data_source_block           VII
_cod_depositor_comments
;
The following automatic conversions were performed:

'_diffrn_radiation_probe' value 'X-ray' changed to 'x-ray' according
to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary
named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_formula_sum        'F4 K1 Yb1'
_cod_database_code               7020658