A quantitative reactivity scale for electrophilic fluorinating reagents.
Rozatian, Neshat; Ashworth, Ian W.; Sandford, Graham; Hodgson, David R. W.; Chemical science 9 (2018) 8692–8702; doi:10.1039/c8sc03596b

data_1549943
_publ_section_title
;
 A quantitative reactivity scale for electrophilic fluorinating reagents.
;
_journal_issue                   46
_journal_name_full               'Chemical science'
_journal_page_first              8692
_journal_page_last               8702
_journal_paper_doi               10.1039/c8sc03596b
_journal_volume                  9
_journal_year                    2018
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C15 H9 F3 O2'
_chemical_formula_sum            'C15 H9 F3 O2'
_chemical_formula_weight         278.22
_chemical_name_systematic
;
2-fluoro-1,3-bis(4'-fluorophenyl)-1,3-propanedione
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_audit_creation_date             2017-06-02
_audit_creation_method
;
Olex2 1.2-beta
(compiled 2017.03.28 svn.r3405 for OlexSys, GUI svn.r5337)
;
_audit_update_record
;
2018-07-24 deposited with the CCDC.
2018-09-13 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 94.065(3)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   4.3647(4)
_cell_length_b                   11.5018(10)
_cell_length_c                   12.3118(11)
_cell_measurement_reflns_used    8838
_cell_measurement_temperature    120.0
_cell_measurement_theta_max      31.04
_cell_measurement_theta_min      2.43
_cell_volume                     616.52(10)
_computing_cell_refinement       'SAINT v8.37A (Bruker, 2015)'
_computing_data_collection       'APEX2 v.2013.4_1 (Bruker, 2013)'
_computing_data_reduction        'SAINT v8.37A (Bruker, 2015)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'XS (Sheldrick, 2008)'
_diffrn_ambient_temperature      120.0
_diffrn_detector                 'Bruker PHOTON 100 CMOS'
_diffrn_detector_area_resol_mean 10.4
_diffrn_detector_type            'CMOS sensor'
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       '3-circle diffractometer'
_diffrn_measurement_device_type  'Bruker D8 Venture'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  'focusing mirrors'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0339
_diffrn_reflns_av_unetI/netI     0.0359
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            13411
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         29.996
_diffrn_reflns_theta_min         2.426
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_type              'Incoatec I\mS microsource'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.129
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.9479
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/5 (Bruker,2014/5) was used for absorption correction. 
wR2(int) was 0.0950 before and 0.0487 after correction. 
The Ratio of minimum to maximum transmission is 0.9479. 
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            'clear colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.499
_exptl_crystal_description       prism
_exptl_crystal_F_000             284
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.224
_refine_diff_density_min         -0.209
_refine_diff_density_rms         0.045
_refine_ls_abs_structure_details
;
 Flack x determined using 1238 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.2(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.044
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     217
_refine_ls_number_reflns         3582
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.0536
_refine_ls_R_factor_gt           0.0415
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0500P)^2^+0.1000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0930
_refine_ls_wR_factor_ref         0.0981
_reflns_Friedel_coverage         0.910
_reflns_Friedel_fraction_full    0.997
_reflns_Friedel_fraction_max     0.997
_reflns_number_gt                3048
_reflns_number_total             3582
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8sc03596b2.cif
_cod_data_source_block           2bK_17srv155
_cod_depositor_comments
;
The following automatic conversions were performed:

'_diffrn_radiation_probe' value 'X-ray' changed to 'x-ray' according
to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 

 Adding full bibliography for 1549940--1549946.cif.
;
_cod_database_code               1549943
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_max   0.995
_shelx_estimated_absorpt_t_min   0.966
_computing.bruker_data_scaling   'SADABS V2012/1 (Bruker AXS Inc.)'
_olex2_refinement_description
;
;
_olex2_submission_special_instructions 'No special instructions were received'