The hydroboration of α-diimines
Geier, Stephen J.; Binder, Justin F.; Vogels, Christopher M.; Watanabe, Lara K.; Macdonald, Charles L. B.; Westcott, Stephen A.; New Journal of Chemistry 45 (2021) 14908–14912; doi:10.1039/D1NJ01025E

data_7060564
_publ_section_title
;
 The hydroboration of \a-diimines
;
_journal_issue                   33
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              14908
_journal_page_last               14912
_journal_paper_doi               10.1039/D1NJ01025E
_journal_volume                  45
_journal_year                    2021
_chemical_formula_moiety         'C24 H25 B N2 O4'
_chemical_formula_sum            'C24 H25 B N2 O4'
_chemical_formula_weight         416.27
_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     iterative
_audit_creation_date             2021-01-31
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2021-03-01 deposited with the CCDC.	2021-04-13 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 91.108(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.4891(3)
_cell_length_b                   8.8508(3)
_cell_length_c                   22.8286(7)
_cell_measurement_reflns_used    9577
_cell_measurement_temperature    170(2)
_cell_measurement_theta_max      70.12
_cell_measurement_theta_min      3.87
_cell_volume                     2118.94(11)
_computing_cell_refinement       'SAINT v8.37A (Bruker, 2015)'
_computing_data_reduction        'SAINT v8.37A (Bruker, 2015)'
_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    'olex2.solve (Bourhis et al., 2015)'
_diffrn_ambient_temperature      169.99
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0833
_diffrn_reflns_av_unetI/netI     0.0416
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            40524
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         70.129
_diffrn_reflns_theta_min         3.873
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.713
_exptl_absorpt_correction_T_max  0.6730
_exptl_absorpt_correction_T_min  0.5923
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.1323 before and 0.1158 after correction. The Ratio of minimum to maximum transmission is 0.8801. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.305
_exptl_crystal_description       Block
_exptl_crystal_F_000             880
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.124
_refine_diff_density_max         0.245
_refine_diff_density_min         -0.266
_refine_diff_density_rms         0.067
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.046
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     284
_refine_ls_number_reflns         4028
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.046
_refine_ls_R_factor_all          0.0522
_refine_ls_R_factor_gt           0.0453
_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^)+(0.0772P)^2^+0.6443P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1228
_refine_ls_wR_factor_ref         0.1289
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3456
_reflns_number_total             4028
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1nj01025e2.cif
_cod_data_source_block           cu_SJG774_0m
_cod_depositor_comments
'Adding full bibliography for 7060564--7060566.cif.'
_cod_database_code               7060564
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.917
_shelx_estimated_absorpt_t_min   0.859
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C1(H1)
2.b Aromatic/amide H refined with riding coordinates:
 C23(H23), C12(H12), C6(H6), C16(H16), C19(H19), C20(H20), C22(H22), C9(H9),
 C13(H13), C15(H15), C7(H7), C8(H8)
2.c Idealised Me refined as rotating group:
 C17(H17A,H17B,H17C), C4(H4A,H4B,H4C), C3(H3A,H3B,H3C), C24(H24A,H24B,H24C)
;
_olex2_submission_special_instructions 'No special instructions were received'