1,2,4,3-Triazaborole-based neutral oxoborane stabilized by a Lewis acid
Ying Kai Loh; Che Chang Chong; Rakesh Ganguly; Yongxin Li; Dragoslav Vidovic; Rei Kinjo; Chem.Commun. 50 (2014) 8561–; doi:10.1039/C4cc03379E

data_7115345
_publ_section_title
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 1,2,4,3-Triazaborole-based neutral oxoborane stabilized by a Lewis acid
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_journal_name_full               Chem.Commun.
_journal_page_first              8561
_journal_paper_doi               10.1039/C4cc03379E
_journal_volume                  50
_journal_year                    2014
_chemical_formula_sum            'C23 H32 B N3 O'
_chemical_formula_weight         377.33
_space_group_crystal_system      monoclinic
_space_group_IT_number           9
_space_group_name_Hall           'C -2yc'
_space_group_name_H-M_alt        'C 1 c 1'
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90
_cell_angle_beta                 100.681(5)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   18.898(4)
_cell_length_b                   13.4431(19)
_cell_length_c                   17.569(3)
_cell_measurement_reflns_used    1217
_cell_measurement_temperature    103.(2)
_cell_measurement_theta_max      20.1112
_cell_measurement_theta_min      2.8474
_cell_volume                     4386.0(13)
_computing_cell_refinement       'SAINT V8.27B (Bruker AXS Inc., 2012)'
_computing_data_collection       'Bruker Apex2'
_computing_data_reduction        'SAINT V8.27B (Bruker AXS Inc., 2012)'
_computing_molecular_graphics    'Bruker Apex2'
_computing_publication_material  'Bruker Apex2'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      103.(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0960
_diffrn_reflns_av_sigmaI/netI    0.1588
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            15879
_diffrn_reflns_theta_full        29.78
_diffrn_reflns_theta_max         29.78
_diffrn_reflns_theta_min         1.87
_exptl_absorpt_coefficient_mu    0.070
_exptl_absorpt_correction_T_max  0.98
_exptl_absorpt_correction_T_min  0.79
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2012/1 (Bruker AXS Inc.)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.143
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1632
_exptl_crystal_size_max          0.340
_exptl_crystal_size_mid          0.300
_exptl_crystal_size_min          0.240
_refine_diff_density_max         0.609
_refine_diff_density_min         -0.673
_refine_ls_extinction_coef       0.034(2)
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     520
_refine_ls_number_reflns         6195
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.1562
_refine_ls_R_factor_gt           0.0816
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1057P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1613
_refine_ls_wR_factor_ref         0.2270
_reflns_number_gt                3469
_reflns_number_total             6195
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4cc03379e2.cif
_cod_data_source_block           Ia
_cod_original_cell_volume        4386.0(14)
_cod_database_code               7115345