Variable Metal Chelation Modes and Activation Sequence in Pd-Catalyzed B–H Poly-arylation of Carboranes
Cao, Hou-ji; Chen, Meng; Sun, Fangxiang; Zhao, Yue; Lu, Changsheng; Zhang, Xiaolei; Shi, Zhuangzhi; Yan, Hong; ACS Catalysis 11 (2021) 14047–14057; doi:10.1021/acscatal.1c04473

data_4519153
_publ_section_title
;
 Variable Metal Chelation Modes and Activation Sequence in Pd-Catalyzed
 B--H Poly-arylation of Carboranes
;
_journal_issue                   22
_journal_name_full               'ACS Catalysis'
_journal_page_first              14047
_journal_page_last               14057
_journal_paper_doi               10.1021/acscatal.1c04473
_journal_volume                  11
_journal_year                    2021
_chemical_formula_moiety         'C31 H36 B10 O'
_chemical_formula_sum            'C31 H36 B10 O'
_chemical_formula_weight         532.70
_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
_audit_creation_date             2020-11-21
_audit_creation_method
;
Olex2 1.2-beta
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_cell_angle_alpha                90
_cell_angle_beta                 100.232(2)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   24.4616(12)
_cell_length_b                   13.4493(6)
_cell_length_c                   18.7508(8)
_cell_measurement_reflns_used    5410
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      23.97
_cell_measurement_theta_min      2.53
_cell_volume                     6070.7(5)
_computing_cell_refinement       'SAINT v8.34A (Bruker, 2013)'
_computing_data_reduction        'SAINT v8.34A (Bruker, 2013)'
_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    'SHELXT 2014/4 (Sheldrick, 2014)'
_diffrn_ambient_temperature      296.15
_diffrn_detector                 'Bruker APEX2 area detector'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CCD area detector'
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker SMART APEX2 area detector'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'mirror optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0665
_diffrn_reflns_av_unetI/netI     0.0699
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       31
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            27023
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.548
_diffrn_reflns_theta_min         2.135
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_type              'Incoatec I\ms'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.063
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6426
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/5 (Bruker,2014/5) was used for absorption correction.
wR2(int) was 0.1257 before and 0.0519 after correction.
The Ratio of minimum to maximum transmission is 0.8619.
The \l/2 correction factor is 0.00150.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.166
_exptl_crystal_description       block
_exptl_crystal_F_000             2240
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.711
_refine_diff_density_min         -0.464
_refine_diff_density_rms         0.069
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.055
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     383
_refine_ls_number_reflns         6987
_refine_ls_number_restraints     131
_refine_ls_restrained_S_all      1.114
_refine_ls_R_factor_all          0.1700
_refine_ls_R_factor_gt           0.1041
_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^)+(0.1054P)^2^+23.0122P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2454
_refine_ls_wR_factor_ref         0.2852
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4008
_reflns_number_total             6987
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            cs1c04473_si_002.cif
_cod_data_source_block           13c
_cod_database_code               4519153
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_max   0.990
_shelx_estimated_absorpt_t_min   0.988
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All B(H) groups, All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2. Rigid bond restraints
 C11, C16
 with sigma for 1-2 distances of 0.002 and sigma for 1-3 distances of 0.001
 C25, C30
 with sigma for 1-2 distances of 0.002 and sigma for 1-3 distances of 0.001
 C25, B6
 with sigma for 1-2 distances of 0.002 and sigma for 1-3 distances of 0.001
 C11, B4
 with sigma for 1-2 distances of 0.002 and sigma for 1-3 distances of 0.001
 B3, B9
 with sigma for 1-2 distances of 0.002 and sigma for 1-3 distances of 0.001
3. Uiso/Uaniso restraints and constraints
Uanis(B7) \\sim Ueq, Uanis(B8) \\sim Ueq, Uanis(B9) \\sim Ueq, Uanis(B10) \\sim
Ueq, Uanis(B11) \\sim Ueq, Uanis(B12) \\sim Ueq, Uanis(C27) \\sim Ueq,
Uanis(C28) \\sim Ueq, Uanis(C29) \\sim Ueq, Uanis(C30) \\sim Ueq, Uanis(C25)
\\sim Ueq, Uanis(C21) \\sim Ueq, Uanis(C22) \\sim Ueq, Uanis(C23) \\sim Ueq,
Uanis(C11) \\sim Ueq, Uanis(C12) \\sim Ueq, Uanis(C13) \\sim Ueq, Uanis(C16)
\\sim Ueq, Uanis(C2) \\sim Ueq: with sigma of 0.001 and sigma for terminal
atoms of 0.02
Uanis(C14) \\sim Ueq, Uanis(C15) \\sim Ueq: with sigma of 0.002 and sigma for
terminal atoms of 0.004
4.a Aromatic/amide H refined with riding coordinates:
 C3(H3), C5(H5), C6(H6), C8(H8), C9(H9), C12(H12), C13(H13), C15(H15),
 C16(H16), C19(H19), C20(H20), C22(H22), C23(H23), C26(H26), C27(H27), C29(H29),
  C30(H30)
4.b Idealised Me refined as rotating group:
 C1AA(H1AA,H1AB,H1AC), C10(H10A,H10B,H10C), C24(H24A,H24B,H24C), C31(H31A,H31B,
 H31C)
4.c Boron cage BH refined with riding coordinates:
 C2(H2), B7(H7), B8(H8A), B9(H9A), B10(H10), B11(H11), B12(H12A)
;
_shelx_res_checksum              57017
_shelx_hkl_checksum              28158
_olex2_submission_special_instructions 'No special instructions were received'