Volatile Single-Source Precursors for the Low-Temperature Preparation of Sodium-Rare Earth Metal Fluorides.
Barry, Matthew C.; Wei, Zheng; He, Tianyu; Filatov, Alexander S.; Dikarev, Evgeny V.; Journal of the American Chemical Society 138 (2016) 8883–8887; doi:10.1021/jacs.6b04194

data_4130513
_publ_section_title
;
 Volatile Single-Source Precursors for the Low-Temperature Preparation of
 Sodium-Rare Earth Metal Fluorides.
;
_journal_issue                   28
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              8883
_journal_page_last               8887
_journal_paper_doi               10.1021/jacs.6b04194
_journal_volume                  138
_journal_year                    2016
_chemical_formula_moiety         'C20 H4 Eu F24 Na O8'
_chemical_formula_sum            'C20 H4 Eu F24 Na O8'
_chemical_formula_weight         1003.19
_chemical_melting_point          ?
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 125.0860(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   21.5879(8)
_cell_length_b                   12.1464(5)
_cell_length_c                   14.2653(11)
_cell_measurement_reflns_used    9880
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      74.28
_cell_measurement_theta_min      4.20
_cell_volume                     3060.9(3)
_computing_cell_refinement       'SAINT V.8.27 (Bruker AXS Inc., 2012)'
_computing_data_collection       'APEX2 v.2014.1-1 (Bruker AXS Inc., 2014)'
_computing_data_reduction        'SAINT V.8.27 (Bruker AXS Inc., 2012)'
_computing_molecular_graphics    'SHELXTL Ver. 6.14'
_computing_publication_material  'SHELXTL Ver. 6.14'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Bruker D8 Venture PHOTON 100 CMOS'
_diffrn_measurement_method       'omega and phi scans'
_diffrn_radiation_monochromator  mirrors
_diffrn_radiation_source         'INCOATEC ImuS micro-focus source'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0326
_diffrn_reflns_av_sigmaI/netI    0.0189
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            23023
_diffrn_reflns_theta_full        74.28
_diffrn_reflns_theta_max         74.27
_diffrn_reflns_theta_min         4.42
_exptl_absorpt_coefficient_mu    16.639
_exptl_absorpt_correction_T_max  0.4900
_exptl_absorpt_correction_T_min  0.0679
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2012/1 (Bruker AXS Inc.)'
_exptl_crystal_colour            'light purple'
_exptl_crystal_density_diffrn    2.177
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    none
_exptl_crystal_description       needle
_exptl_crystal_F_000             1912
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.872
_refine_diff_density_min         -0.937
_refine_diff_density_rms         0.111
_refine_ls_extinction_coef       noref
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     274
_refine_ls_number_reflns         2971
_refine_ls_number_restraints     72
_refine_ls_restrained_S_all      1.312
_refine_ls_R_factor_all          0.0324
_refine_ls_R_factor_gt           0.0322
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0603P)^2^+11.7471P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0861
_refine_ls_wR_factor_ref         0.0863
_reflns_number_gt                2944
_reflns_number_total             2971
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja6b04194_si_002.cif
_cod_data_source_block           NaEu(hfac)4
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_chemical_melting_point' value 'not measured' was changed
to '?' -- the value is undefined or not given.

data item '_exptl_crystal_density_meas' value 'not measured' was
changed to '?' -- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4130513