The special role of B(C<sub>6</sub>F<sub>5</sub>)<sub>3</sub> in the single electron reduction of quinones by radicals.
Tao, Xin; Daniliuc, Constantin G.; Knitsch, Robert; Hansen, Michael Ryan; Eckert, Hellmut; Lübbesmeyer, Maximilian; Studer, Armido; Kehr, Gerald; Erker, Gerhard; Chemical science 9 (2018) 8011–8018; doi:10.1039/c8sc03005g

data_1549810
_publ_section_title
;
 The special role of B(C<sub>6</sub>F<sub>5</sub>)<sub>3</sub> in the
 single electron reduction of quinones by radicals.
;
_journal_issue                   41
_journal_name_full               'Chemical science'
_journal_page_first              8011
_journal_page_last               8018
_journal_paper_doi               10.1039/c8sc03005g
_journal_volume                  9
_journal_year                    2018
_chemical_formula_sum            'C71 H40 B2 Cl2 F30 Fe O2'
_chemical_formula_weight         1643.40
_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   geom
_audit_update_record
;
2018-02-08 deposited with the CCDC.
2018-08-20 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 100.362(2)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   12.6071(3)
_cell_length_b                   13.6253(4)
_cell_length_c                   20.3659(6)
_cell_measurement_reflns_used    9852
_cell_measurement_temperature    100.(2)
_cell_measurement_theta_max      68.2073
_cell_measurement_theta_min      3.5640
_cell_volume                     3441.31(17)
_computing_cell_refinement       'SAINT V8.37A (Bruker AXS Inc., 2015)'
_computing_data_collection
;

APEX3 v2016.1-0 (Bruker AXS Inc., 2016)
;
_computing_data_reduction        'SAINT V8.37A (Bruker AXS Inc., 2015)'
_computing_molecular_graphics    'XP (Sheldrick, 2014)'
_computing_publication_material  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100.(2)
_diffrn_detector_area_resol_mean 10.4167
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker D8 Venture PHOTON 100 CMOS'
_diffrn_measurement_method       'omega and phi scans'
_diffrn_radiation_monochromator  'MX mirror'
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0931
_diffrn_reflns_av_unetI/netI     0.0823
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            54819
_diffrn_reflns_theta_full        66.59
_diffrn_reflns_theta_max         66.59
_diffrn_reflns_theta_min         3.56
_diffrn_source                   'Cu ImS'
_diffrn_source_type              'micro focus tube'
_exptl_absorpt_coefficient_mu    3.634
_exptl_absorpt_correction_T_max  0.78
_exptl_absorpt_correction_T_min  0.60
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Bruker AXS (2014). SADABS, Version 2014/5, Bruker AXS Inc., Madison, Wisconsin,
USA.
;
_exptl_crystal_colour            'pale orange'
_exptl_crystal_density_diffrn    1.586
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1644
_exptl_crystal_size_max          0.248
_exptl_crystal_size_mid          0.121
_exptl_crystal_size_min          0.072
_refine_diff_density_max         0.601
_refine_diff_density_min         -0.312
_refine_ls_abs_structure_details
;

Flack x determined using 3458 quotients [(I+)-(I-)]/[(I+)+(I-)]
(Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.090(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1011
_refine_ls_number_reflns         11948
_refine_ls_number_restraints     62
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.0681
_refine_ls_R_factor_gt           0.0492
_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^)+(0.0159P)^2^+1.3798P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0911
_refine_ls_wR_factor_ref         0.0969
_reflns_number_gt                9709
_reflns_number_total             11948
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8sc03005g2.cif
_cod_data_source_block           erk8997
_cod_depositor_comments
'Adding full bibliography for 1549806--1549816.cif.'
_cod_database_code               1549810
_shelx_res_checksum              4300
_shelx_fab_checksum              47218