The synthesis, properties, and reactivity of Lewis acidic aminoboranes.
Bentley, Jordan N.; Simoes, Selvyn A.; Pradhan, Ekadashi; Zeng, Tao; Caputo, Christopher B.; Organic & biomolecular chemistry 19 (2021) 4796–4802; doi:10.1039/d1ob00520k

data_7158060
_publ_section_title
;
 The synthesis, properties, and reactivity of Lewis acidic aminoboranes.
;
_journal_issue                   21
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              4796
_journal_page_last               4802
_journal_paper_doi               10.1039/d1ob00520k
_journal_volume                  19
_journal_year                    2021
_chemical_formula_moiety         'C18 H18 B F10 N Si2'
_chemical_formula_sum            'C18 H18 B F10 N Si2'
_chemical_formula_weight         505.32
_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             2021-01-17
_audit_creation_method
;
Olex2 1.3
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6226)
;
_audit_update_record
;
2021-03-04 deposited with the CCDC.	2021-05-04 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 105.827(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.0755(10)
_cell_length_b                   11.2327(11)
_cell_length_c                   18.6587(18)
_cell_measurement_reflns_used    9539
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.63
_cell_measurement_theta_min      2.65
_cell_volume                     2233.3(4)
_computing_cell_refinement       'SAINT V8.38A (?, 2016)'
_computing_data_reduction        'SAINT V8.38A (?, 2016)'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      173.0
_diffrn_measured_fraction_theta_full 0.980
_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0409
_diffrn_reflns_av_unetI/netI     0.0162
_diffrn_reflns_Laue_measured_fraction_full 0.980
_diffrn_reflns_Laue_measured_fraction_max 0.982
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            76348
_diffrn_reflns_point_group_measured_fraction_full 0.980
_diffrn_reflns_point_group_measured_fraction_max 0.982
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.628
_diffrn_reflns_theta_min         2.139
_diffrn_source_current           20.0
_diffrn_source_power             1.0
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.247
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6247
_exptl_absorpt_correction_type   none
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1405 before and 0.0703 after correction.
The Ratio of minimum to maximum transmission is 0.8378.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.503
_exptl_crystal_description       block
_exptl_crystal_F_000             1024
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.485
_refine_diff_density_min         -0.589
_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.060
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     295
_refine_ls_number_reflns         5127
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.060
_refine_ls_R_factor_all          0.0525
_refine_ls_R_factor_gt           0.0466
_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^)+(0.0337P)^2^+2.3209P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1050
_refine_ls_wR_factor_ref         0.1108
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4641
_reflns_number_total             5127
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1ob00520k2.cif
_cod_data_source_block           jnb035cc_0m_a
_cod_depositor_comments
'Adding full bibliography for 7158056--7158060.cif.'
_cod_database_code               7158060
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.964
_shelx_estimated_absorpt_t_min   0.952
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.5 times of:
  All C(H,H,H) groups
2.a Idealised Me refined as rotating group:
 C14(H14A,H14B,H14C), C15(H15A,H15B,H15C), C16(H16A,H16B,H16C), C17(H17A,H17B,
 H17C), C18(H18A,H18B,H18C), C19(H19A,H19B,H19C)
;
_shelx_res_checksum              3351
_olex2_submission_special_instructions 'No special instructions were received'