Oxidation-induced nucleophilic substitution at the electron-rich B(12) vertex in [CB<sub>11</sub>H<sub>12</sub>]<sup>-</sup> under catalyst-free conditions.
Sun, Wanqi; Jin, Yujie; Wang, Yongtao; Wen, Zeyu; Sun, Jizeng; Yao, Jia; Duttwyler, Simon; Li, Haoran; Chemical science 16 (2025) 5942–5947; doi:10.1039/d5sc00234f

data_1573987
_publ_section_title
;
 Oxidation-induced nucleophilic substitution at the electron-rich B(12)
 vertex in [CB<sub>11</sub>H<sub>12</sub>]<sup>-</sup> under catalyst-free
 conditions.
;
_journal_issue                   14
_journal_name_full               'Chemical science'
_journal_page_first              5942
_journal_page_last               5947
_journal_paper_doi               10.1039/d5sc00234f
_journal_volume                  16
_journal_year                    2025
_chemical_formula_moiety         'C8 H20 N, C11 H31 B11 N O2, 2(C H Cl3)'
_chemical_formula_sum            'C21 H53 B11 Cl6 N2 O2'
_chemical_formula_weight         697.26
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2024-03-23
_audit_creation_method
;
Olex2 1.5
(compiled 2022.04.07 svn.rca3783a0 for OlexSys, GUI svn.r6498)
;
_audit_update_record
;
2024-12-03 deposited with the CCDC.	2025-02-25 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 109.4290(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   23.2378(9)
_cell_length_b                   9.4437(4)
_cell_length_c                   17.9211(7)
_cell_measurement_reflns_used    9750
_cell_measurement_temperature    170.00
_cell_measurement_theta_max      60.419
_cell_measurement_theta_min      3.510
_cell_volume                     3708.8(3)
_computing_cell_refinement       'SAINT V8.40B (Bruker Nano, Inc., 2019)'
_computing_data_collection       'Bruker Instrument Service vV6.2.14'
_computing_data_reduction        'SAINT V8.40B (Bruker Nano, Inc., 2019)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2019/2 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      170.00
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'zju Bruker D8 Venture'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_type           GaK\a
_diffrn_radiation_wavelength     1.34139
_diffrn_reflns_av_R_equivalents  0.0417
_diffrn_reflns_av_unetI/netI     0.0357
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       30
_diffrn_reflns_limit_h_min       -30
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            40697
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        53.594
_diffrn_reflns_theta_max         60.639
_diffrn_reflns_theta_min         3.509
_diffrn_source_current           3.57
_diffrn_source_power             0.24957869999999996
_diffrn_source_voltage           69.91
_exptl_absorpt_coefficient_mu    2.923
_exptl_absorpt_correction_T_max  0.7519
_exptl_absorpt_correction_T_min  0.5932
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1286 before and 0.0667 after correction.
The Ratio of minimum to maximum transmission is 0.7889.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.249
_exptl_crystal_description       plate
_exptl_crystal_F_000             1464
_exptl_crystal_size_max          0.09
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.688
_refine_diff_density_min         -0.703
_refine_diff_density_rms         0.056
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.053
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     388
_refine_ls_number_reflns         8510
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.053
_refine_ls_R_factor_all          0.0545
_refine_ls_R_factor_gt           0.0445
_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^)+(0.0578P)^2^+2.3320P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1182
_refine_ls_wR_factor_ref         0.1248
_reflns_Friedel_coverage         0.000
_reflns_number_gt                7088
_reflns_number_total             8510
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5sc00234f2.cif
_cod_data_source_block           240322_or_och3
_cod_depositor_comments
'Adding full bibliography for 1573985--1573988.cif.'
_cod_database_code               1573987
_shelx_shelxl_version_number     2019/2
_shelx_estimated_absorpt_t_max   0.917
_shelx_estimated_absorpt_t_min   0.779
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All B(H) groups, All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C4(H4), C20(H20), C21(H21)
2.b Secondary CH2 refined with riding coordinates:
 C12(H12A,H12B), C14(H14A,H14B), C16(H16A,H16B), C18(H18A,H18B), C3(H3A,H3B),
 C5(H5A,H5B)
2.c Idealised Me refined as rotating group:
 C13(H13A,H13B,H13C), C15(H15A,H15B,H15C), C17(H17A,H17B,H17C), C19(H19A,H19B,
 H19C), C7(H7A,H7B,H7C), C8(H8A,H8B,H8C), C9(H9A,H9B,H9C), C10(H10A,H10B,H10C),
 C11(H11A,H11B,H11C)
2.d Boron cage BH refined with riding coordinates:
 C1(H1), B1(H1A), B2(H2), B3(H3), B4(H4A), B5(H5), B6(H6), B7(H7), B8(H8),
 B9(H9), B10(H10)
;
_shelx_res_checksum              2960
_olex2_submission_special_instructions 'No special instructions were received'