Cleaving Dihydrogen with Tetra(o-tolyl)diborane(4).
Tsukahara, Nana; Asakawa, Hiroki; Lee, Ka-Ho; Lin, Zhenyang; Yamashita, Makoto; Journal of the American Chemical Society 139 (2017) 2593–2596; doi:10.1021/jacs.7b00924

data_4125829
_publ_section_title
;
 Cleaving Dihydrogen with Tetra(o-tolyl)diborane(4).
;
_journal_issue                   7
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              2593
_journal_page_last               2596
_journal_paper_doi               10.1021/jacs.7b00924
_journal_volume                  139
_journal_year                    2017
_chemical_formula_moiety         'C19 H20 B N'
_chemical_formula_sum            'C19 H20 B N'
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_symmetry_space_group_name_Hall  '-P 2ybc'
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_cell_measurement_temperature    93(2)
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_computing_cell_refinement       'CrysAlisPro 1.171.38.41 (Rigaku OD, 2015)'
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_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku VariMax Saturn'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  Confocal
_diffrn_radiation_source         'rotating-anode X-ray tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0867
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_diffrn_reflns_Laue_measured_fraction_full 1.000
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_diffrn_reflns_limit_l_min       -22
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_diffrn_reflns_point_group_measured_fraction_full 1.000
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_diffrn_reflns_theta_full        25.242
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_diffrn_reflns_theta_min         2.047
_exptl_absorpt_coefficient_mu    0.064
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.96578
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.38.41 (Rigaku Oxford Diffraction, 2015)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
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_exptl_crystal_description       plate
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_exptl_crystal_size_mid          0.070
_exptl_crystal_size_min          0.030
_refine_diff_density_max         0.438
_refine_diff_density_min         -0.487
_refine_diff_density_rms         0.155
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     389
_refine_ls_number_reflns         7377
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.1455
_refine_ls_R_factor_gt           0.0701
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1000P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1541
_refine_ls_wR_factor_ref         0.2076
_reflns_Friedel_coverage         0.000
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_reflns_number_total             7377
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja7b00924_si_002.cif
_cod_data_source_block           4
_cod_database_code               4125829
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.994
_shelx_estimated_absorpt_t_max   0.998
_shelx_res_checksum              66826
_shelx_hkl_checksum              16786