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_7020656
_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 Y'
_chemical_formula_weight         306
_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                   14.1630(10)
_cell_length_b                   14.1630(10)
_cell_length_c                   10.1900(10)
_cell_measurement_temperature    293
_cell_volume                     1770.2(2)
_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  0.049
_diffrn_reflns_av_sigmaI/netI    0.0551
_diffrn_reflns_limit_h_max       31
_diffrn_reflns_limit_h_min       -31
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -30
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            138252
_diffrn_reflns_theta_full        26.14
_diffrn_reflns_theta_max         26.15
_diffrn_reflns_theta_min         0.94
_exptl_absorpt_coefficient_mu    3.5
_exptl_crystal_density_diffrn    3.4434
_exptl_crystal_F_000             1692
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.55
_refine_diff_density_min         -0.59
_refine_ls_abs_structure_details
' 24869 of Friedel pairs used in the refinement'
_refine_ls_abs_structure_Flack   0
_refine_ls_extinction_coef       11400(700)
_refine_ls_extinction_method
'B-C type 1 Gaussian isotropic (Becker & Coppens, 1974)'
_refine_ls_goodness_of_fit_gt    1.21
_refine_ls_goodness_of_fit_ref   1.19
_refine_ls_number_constraints    97
_refine_ls_number_parameters     231
_refine_ls_number_reflns         25527
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0361
_refine_ls_R_factor_gt           0.0306
_refine_ls_shift/su_max          0.0349
_refine_ls_shift/su_mean         0.0058
_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          0.0400
_refine_ls_wR_factor_ref         0.0409
_reflns_number_gt                23445
_reflns_number_total             25527
_reflns_threshold_expression     I>3\s(I)
_cod_data_source_file            c2dt31483e.txt
_cod_data_source_block           V
_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 Y1'
_cod_database_code               7020656