Access to adducts of parent iminoborane isomers, HBNH and NBH<sub>2</sub>, using frustrated Lewis pair chelation.
Frenette, Brandon L.; Omaña, Alvaro A; Ferguson, Michael J.; Zhou, Yuqiao; Rivard, Eric; Chemical communications (Cambridge, England) 57 (2021) 10895–10898; doi:10.1039/d1cc04923b

data_7129033
_publ_section_title
;
 Access to adducts of parent iminoborane isomers, HBNH and
 NBH<sub>2</sub>, using frustrated Lewis pair chelation.
;
_journal_issue                   83
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              10895
_journal_page_last               10898
_journal_paper_doi               10.1039/d1cc04923b
_journal_volume                  57
_journal_year                    2021
_chemical_formula_moiety         'C24 H44 B2 N P'
_chemical_formula_sum            'C24 H44 B2 N P'
_chemical_formula_weight         399.19
_chemical_name_common            PB(H2BNH2)
_chemical_properties_physical    Air-sensitive,Moisture-sensitive
_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   mixed
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2017/1
_audit_update_record
;
2021-09-18 deposited with the CCDC.	2021-09-22 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 102.217(2)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   19.7455(6)
_cell_length_b                   10.9680(3)
_cell_length_c                   23.1511(7)
_cell_measurement_reflns_used    8759
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      73.82
_cell_measurement_theta_min      2.29
_cell_volume                     4900.3(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2017/1 (Sheldrick, 2017)'
_computing_structure_solution    'SHELXT (version 2014/5)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.996
_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  0.1008
_diffrn_reflns_av_unetI/netI     0.0661
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            112848
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         74.212
_diffrn_reflns_theta_min         2.289
_exptl_absorpt_coefficient_mu    1.032
_exptl_absorpt_correction_T_max  0.9920
_exptl_absorpt_correction_T_min  0.8018
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'SADABS (version 2016/2)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.082
_exptl_crystal_description       block
_exptl_crystal_F_000             1760
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: hexanes at -40C'
_exptl_crystal_size_max          0.288
_exptl_crystal_size_mid          0.177
_exptl_crystal_size_min          0.096
_refine_diff_density_max         0.390
_refine_diff_density_min         -0.330
_refine_diff_density_rms         0.044
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     545
_refine_ls_number_reflns         9929
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.0593
_refine_ls_R_factor_gt           0.0432
_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^)+(0.0307P)^2^+1.5907P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1068
_refine_ls_wR_factor_ref         0.1175
_reflns_Friedel_coverage         0.000
_reflns_number_gt                7806
_reflns_number_total             9929
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1cc04923b2.cif
_cod_data_source_block           PB(H2BNH2)
_cod_depositor_comments
'Adding full bibliography for 7129027--7129035.cif.'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7129033
_shelx_shelxl_version_number     2017/1
_shelx_estimated_absorpt_t_min   0.755
_shelx_estimated_absorpt_t_max   0.907
_shelx_res_checksum              52056