Synthesis and reduction chemistry of mixed-Lewis-base-stabilised chloroborylenes
Arrowsmith, Merle; Schweizer, Julia I.; Heinz, Myron; Härterich, Marcel; Krummenacher, Ivo; Holthausen, Max C.; Braunschweig, Holger; Chemical Science 10 (2019) 5095–5103; doi:10.1039/C9SC01039D

data_1550851
_publ_section_title
;
 Synthesis and reduction chemistry of mixed-Lewis-base-stabilised
 chloroborylenes
;
_journal_issue                   19
_journal_name_full               'Chemical Science'
_journal_page_first              5095
_journal_page_last               5103
_journal_paper_doi               10.1039/C9SC01039D
_journal_volume                  10
_journal_year                    2019
_chemical_formula_moiety         'C40 H63 B N2, 0.5(C7 H8)'
_chemical_formula_sum            'C43.5 H67 B N2'
_chemical_formula_weight         628.80
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2019-01-25 deposited with the CCDC.    2019-04-08 downloaded from the CCDC.
;
_cell_angle_alpha                78.726(5)
_cell_angle_beta                 77.377(4)
_cell_angle_gamma                88.791(4)
_cell_formula_units_Z            2
_cell_length_a                   9.1887(11)
_cell_length_b                   11.6671(16)
_cell_length_c                   18.914(3)
_cell_measurement_reflns_used    7853
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.26
_cell_measurement_theta_min      2.28
_cell_volume                     1940.0(5)
_computing_cell_refinement       'Saint+ ver. V8.37A (Bruker AXS)'
_computing_data_collection       'APEX2 ver. 2014.9 (Bruker AXS)'
_computing_data_reduction        'Saint+ ver. V8.37A (Bruker AXS)'
_computing_molecular_graphics    'ShelXLe (Huebschle et all, 2011)'
_computing_publication_material  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXT (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'CMOS area detector (Photon II)'
_diffrn_detector_area_resol_mean 7.5
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'Bruker D8 Quest'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  'multi-layer mirror'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0966
_diffrn_reflns_av_unetI/netI     0.0810
_diffrn_reflns_Laue_measured_fraction_full 0.995
_diffrn_reflns_Laue_measured_fraction_max 0.986
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            33041
_diffrn_reflns_point_group_measured_fraction_full 0.995
_diffrn_reflns_point_group_measured_fraction_max 0.986
_diffrn_reflns_theta_full        26.000
_diffrn_reflns_theta_max         26.472
_diffrn_reflns_theta_min         2.285
_diffrn_source                   'microfocus sealed tube (Incoatec ImS)'
_exptl_absorpt_coefficient_mu    0.061
_exptl_absorpt_correction_T_max  0.7454
_exptl_absorpt_correction_T_min  0.5469
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SadAbs 2016/2 (Bruker AXS)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.076
_exptl_crystal_description       block
_exptl_crystal_F_000             694
_exptl_crystal_size_max          0.531
_exptl_crystal_size_mid          0.53
_exptl_crystal_size_min          0.288
_refine_diff_density_max         0.237
_refine_diff_density_min         -0.215
_refine_diff_density_rms         0.042
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.009
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     512
_refine_ls_number_reflns         7920
_refine_ls_number_restraints     512
_refine_ls_restrained_S_all      0.990
_refine_ls_R_factor_all          0.0802
_refine_ls_R_factor_gt           0.0541
_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^)+(0.0352P)^2^+0.8215P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1266
_refine_ls_wR_factor_ref         0.1427
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5782
_reflns_number_total             7920
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9sc01039d2.cif
_cod_data_source_block           final_a
_cod_original_cell_volume        1940.0(4)
_cod_original_formula_sum        'C43.50 H67 B N2'
_cod_database_code               1550851
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.969
_shelx_estimated_absorpt_t_max   0.983
_shelx_res_checksum              39753