B-H···π Interaction: A New Type of Nonclassical Hydrogen Bonding.
Zhang, Xiaolei; Dai, Huimin; Yan, Hong; Zou, Wenli; Cremer, Dieter; Journal of the American Chemical Society 138 (2016) 4334–4337; doi:10.1021/jacs.6b01249

data_4130206
_publ_section_title
;
 B-H&#x00B7;&#x00B7;&#x00B7;\p Interaction: A New Type of Nonclassical
 Hydrogen Bonding.
;
_journal_issue                   13
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              4334
_journal_page_last               4337
_journal_paper_doi               10.1021/jacs.6b01249
_journal_volume                  138
_journal_year                    2016
_chemical_formula_sum            'C30 H40 B10 Ir P S2'
_chemical_formula_weight         796.01
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 125.744(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.2081(16)
_cell_length_b                   11.4691(11)
_cell_length_c                   21.3963(14)
_cell_measurement_temperature    291(2)
_cell_volume                     3427.4(5)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      291(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0128
_diffrn_reflns_av_sigmaI/netI    0.0844
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            26226
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.91
_exptl_absorpt_coefficient_mu    4.086
_exptl_absorpt_correction_T_max  0.4405
_exptl_absorpt_correction_T_min  0.3736
_exptl_absorpt_correction_type   psi-scan
_exptl_crystal_density_diffrn    1.543
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1576
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.24
_refine_diff_density_max         1.090
_refine_diff_density_min         -1.624
_refine_diff_density_rms         0.228
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.030
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     402
_refine_ls_number_reflns         6718
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.030
_refine_ls_R_factor_all          0.0603
_refine_ls_R_factor_gt           0.0552
_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^)+(0.0626P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1349
_refine_ls_wR_factor_ref         0.1362
_reflns_number_gt                4947
_reflns_number_total             6718
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja6b01249_si_001.cif
_cod_data_source_block           B1
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               4130206