Reactivity of a dihydroboron species: synthesis of a hydroborenium complex and an expedient entry into stable thioxo- and selenoxo-boranes.
Jaiswal, Kuldeep; Prashanth, Billa; Ravi, Satyam; Shamasundar, K. R.; Singh, Sanjay; Dalton transactions (Cambridge, England : 2003) 44 (2015) 15779–15785; doi:10.1039/c5dt02788h

data_7036109
_publ_section_title
;
 Reactivity of a dihydroboron species: synthesis of a hydroborenium
 complex and an expedient entry into stable thioxo- and selenoxo-boranes.
;
_journal_issue                   36
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              15779
_journal_page_last               15785
_journal_paper_doi               10.1039/c5dt02788h
_journal_volume                  44
_journal_year                    2015
_chemical_absolute_configuration ad
_chemical_formula_moiety         '2(C21 H21 B0.5 N1.5 P S0.5)'
_chemical_formula_sum            'C42 H42 B N3 P2 S'
_chemical_formula_weight         693.6
_chemical_properties_physical    'Air-sensitive, Moisture-sensitive'
_space_group_IT_number           30
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      30
_symmetry_space_group_name_Hall  'P 2 -2bc'
_symmetry_space_group_name_H-M   'P n c 2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2015-03-18T10:53:32-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_audit_update_record
;
2015-05-29 deposited with the CCDC.
2015-08-05 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   16.3423(10)
_cell_length_b                   15.9070(9)
_cell_length_c                   15.6840(10)
_cell_measurement_temperature    100
_cell_volume                     4077.2(4)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100
_diffrn_measured_fraction_theta_full 1
_diffrn_measured_fraction_theta_max 1
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0611
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            63445
_diffrn_reflns_theta_full        25.35
_diffrn_reflns_theta_max         25.35
_diffrn_reflns_theta_min         1.79
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.189
_exptl_absorpt_correction_T_max  0.7459
_exptl_absorpt_correction_T_min  0.6628
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
        SADABS-2008/1 (Bruker,2008) was used for absorption correction.
        wR2(int) was 0.1028 before and 0.0778 after correction.
        The Ratio of minimum to maximum transmission is 0.8886.
        The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            'clear light colourless'
_exptl_crystal_density_diffrn    1.13
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1464
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.2
_platon_squeeze_details
;
;
_refine_diff_density_max         0.229
_refine_diff_density_min         -0.212
_refine_diff_density_rms         0.043
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.02(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.058
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     451
_refine_ls_number_reflns         7460
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.058
_refine_ls_R_factor_all          0.0378
_refine_ls_R_factor_gt           0.0341
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0545P)^2^+0.4407P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0884
_refine_ls_wR_factor_ref         0.0901
_reflns_number_gt                6943
_reflns_number_total             7460
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5dt02788h2.cif
_cod_data_source_block           Compound_3
_cod_depositor_comments
'Adding full bibliography for 7036109--7036111.cif.'
_cod_database_code               7036109
_platon_squeeze_void_probe_radius 1.20