Electrochemical Synthesis of Biaryls via Oxidative Intramolecular Coupling of Tetra(hetero)arylborates.
Music, Arif; Baumann, Andreas Nicolas; Spie Szlig, Philipp; Plantefol, Allan; Jagau, Thomas-C; Didier, Dorian; Journal of the American Chemical Society  (2020) –; doi:10.1021/jacs.9b12300

data_4134204
_publ_section_title
;
 Electrochemical Synthesis of Biaryls via Oxidative Intramolecular
 Coupling of Tetra(hetero)arylborates.
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_paper_doi               10.1021/jacs.9b12300
_journal_year                    2020
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C26 H24 B K O2'
_chemical_formula_sum            'C26 H24 B K O2'
_chemical_formula_weight         418.36
_chemical_name_common            ARM-PS017
_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'
_atom_sites_solution_hydrogens   geom
_audit_block_code                K_B_Ph2_PhOMe2_xv493_knochel
_audit_creation_method           'APEX3 v2018.7-2'
_audit_update_record             31-Jul-19
_cell_angle_alpha                90
_cell_angle_beta                 100.8430(10)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   7.8292(3)
_cell_length_b                   11.0341(4)
_cell_length_c                   12.7149(6)
_cell_measurement_reflns_used    9989
_cell_measurement_temperature    109.(2)
_cell_measurement_theta_max      27.0848
_cell_measurement_theta_min      2.8376
_cell_volume                     1078.81(8)
_computing_cell_refinement       'SAINT V8.38A (Bruker AXS Inc., 2017)'
_computing_data_collection       'APEX3 v2016.5-0, Bruker AXS (2016)'
_computing_data_reduction        'SAINT V8.38A (Bruker AXS Inc., 2017)'
_computing_molecular_graphics    'shelXle (C.B. Huebschle, rev 924)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      109.(2)
_diffrn_detector_area_resol_mean 7.3910
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       'fixed-chi three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker D8 Venture TXS'
_diffrn_measurement_method       'mix of phi and omega scans'
_diffrn_radiation_monochromator  'focusing mirrors'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0359
_diffrn_reflns_av_unetI/netI     0.0321
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            19433
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.101
_diffrn_reflns_theta_min         2.649
_diffrn_source                   'rotating anode (TXS)'
_diffrn_source_current           50
_diffrn_source_power             2.5
_diffrn_source_type              'Bruker TXS'
_diffrn_source_voltage           50
_exptl_absorpt_coefficient_mu    0.266
_exptl_absorpt_correction_T_max  0.99
_exptl_absorpt_correction_T_min  0.93
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 - Bruker AXS area detector scaling and absorption correction
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.288
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rod
_exptl_crystal_F_000             440
_exptl_crystal_size_max          0.100
_exptl_crystal_size_mid          0.040
_exptl_crystal_size_min          0.040
_refine_diff_density_max         0.273
_refine_diff_density_min         -0.189
_refine_diff_density_rms         0.039
_refine_ls_abs_structure_details
;

Refined as an inversion twin. BASF 0.21.
;
_refine_ls_abs_structure_Flack   0.21(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     274
_refine_ls_number_reflns         4734
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.053
_refine_ls_R_factor_all          0.0366
_refine_ls_R_factor_gt           0.0312
_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^)+(0.0300P)^2^+0.3433P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0714
_refine_ls_wR_factor_ref         0.0746
_reflns_Friedel_coverage         0.893
_reflns_Friedel_fraction_full    0.996
_reflns_Friedel_fraction_max     0.992
_reflns_number_gt                4348
_reflns_number_total             4734
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja9b12300_si_002.cif
_cod_data_source_block           xv493
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'Multi-Scan' was
changed to 'multi-scan' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 
;
_cod_database_code               4134204
_shelx_estimated_absorpt_t_min   0.974
_shelx_estimated_absorpt_t_max   0.989
_shelx_res_checksum              33995
_shelx_hkl_checksum              19740