Controlled monodefluorination and alkylation of C(sp3)-F Bonds by Lanthanide Photocatalysts: Importance of Metal – Ligand Cooperativity
Kynman, Amy E.; Elghanayan, Luca; Desnoyer, Addison; Yang, Yan; Severy, Laurent; Di Giuseppe, Andrea; Tilley, T. Don; Maron, Laurent; Arnold, Polly Louise; Chemical Science  (2022) –; doi:10.1039/D2SC04192H

data_1567921
_publ_section_title
;
 Controlled monodefluorination and alkylation of C(sp3)-F Bonds by
 Lanthanide Photocatalysts: Importance of Metal -- Ligand Cooperativity
;
_journal_name_full               'Chemical Science'
_journal_paper_doi               10.1039/D2SC04192H
_journal_year                    2022
_chemical_formula_moiety         'C36 H52 Ce2 Cl2'
_chemical_formula_sum            'C36 H52 Ce2 Cl2'
_chemical_formula_weight         835.91
_chemical_name_systematic        3-Ce
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2021-12-08
_audit_creation_method
;
Olex2 1.3
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6408)
;
_audit_update_record
;
2022-01-04 deposited with the CCDC.	2022-11-07 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 92.0320(10)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   8.5165(4)
_cell_length_b                   10.4652(4)
_cell_length_c                   19.4321(8)
_cell_measurement_reflns_used    9849
_cell_measurement_temperature    100
_cell_measurement_theta_max      27.87
_cell_measurement_theta_min      3.37
_cell_volume                     1730.83(13)
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXS  (Sheldrick, 2008)'
_diffrn_ambient_temperature      100
_diffrn_detector                 'Bruker APEX2 area detector'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CCD area detector'
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker D8 diffractometer'
_diffrn_measurement_method       'omega rotation'
_diffrn_radiation_collimation    '0.2 mm sinlge-pinhole'
_diffrn_radiation_monochromator  'mirror optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           synchrotron
_diffrn_radiation_wavelength     0.7288
_diffrn_reflns_av_R_equivalents  0.1107
_diffrn_reflns_av_unetI/netI     0.0729
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            22581
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.930
_diffrn_reflns_theta_max         27.869
_diffrn_reflns_theta_min         2.151
_diffrn_source                   synchrotron
_diffrn_source_current           0.0
_diffrn_source_power             0.0
_diffrn_source_type              'Incoatec I\ms'
_diffrn_source_voltage           0.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.943
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.5865
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016) was used for absorption correction.
wR2(int) was 0.1681 before and 0.1038 after correction.
The Ratio of minimum to maximum transmission is 0.7866.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            pink
_exptl_crystal_colour_primary    pink
_exptl_crystal_density_diffrn    1.604
_exptl_crystal_description       Prism
_exptl_crystal_F_000             836
_exptl_crystal_size_max          0.07
_exptl_crystal_size_mid          0.055
_exptl_crystal_size_min          0.03
_refine_diff_density_max         1.157
_refine_diff_density_min         -1.382
_refine_diff_density_rms         0.342
_refine_ls_extinction_coef       0.0146(12)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   1.068
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     190
_refine_ls_number_reflns         3819
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.068
_refine_ls_R_factor_all          0.0514
_refine_ls_R_factor_gt           0.0490
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0846P)^2^+0.2903P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1212
_refine_ls_wR_factor_ref         0.1239
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3576
_reflns_number_total             3819
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2sc04192h1.cif
_cod_data_source_block           and1014_0m
_cod_database_code               1567921
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.917
_shelx_estimated_absorpt_t_min   0.820
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C9(H9), C1(H1)
2.b Idealised Me refined as rotating group:
 C19(H19A,H19B,H19C), C14(H14A,H14B,H14C), C15(H15A,H15B,H15C), C5(H5A,H5B,
 H5C), C17(H17A,H17B,H17C), C12(H12A,H12B,H12C), C10(H10A,H10B,H10C), C11(H11A,
 H11B,H11C)
;
_shelx_res_checksum              33802
_shelx_hkl_checksum              82267
_olex2_submission_original_sample_id AND1014
_olex2_submission_special_instructions 'No special instructions were received'