Deprotonation and Addition Reactions of Frustrated Lewis Pairs with Alkynes
Dureen, Meghan A.; Brown, Christopher C.; Stephan, Douglas W.; Organometallics 29 (2010) 6594–; doi:10.1021/om1009044

data_4067202
_publ_section_title
;
 Deprotonation and Addition Reactions of Frustrated Lewis Pairs with
 Alkynes
;
_journal_issue                   23
_journal_name_full               Organometallics
_journal_page_first              6594
_journal_paper_doi               10.1021/om1009044
_journal_volume                  29
_journal_year                    2010
_chemical_formula_sum            'C38 H48 B P'
_chemical_formula_weight         546.54
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_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                 103.184(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.3110(11)
_cell_length_b                   13.8672(13)
_cell_length_c                   19.2209(16)
_cell_measurement_temperature    150(2)
_cell_volume                     3194.9(5)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_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  0.0686
_diffrn_reflns_av_sigmaI/netI    0.0589
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            52184
_diffrn_reflns_theta_full        27.54
_diffrn_reflns_theta_max         27.54
_diffrn_reflns_theta_min         1.83
_exptl_absorpt_coefficient_mu    0.111
_exptl_absorpt_correction_T_max  0.9890
_exptl_absorpt_correction_T_min  0.9571
_exptl_absorpt_correction_type   empirical
_exptl_crystal_density_diffrn    1.136
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1184
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.339
_refine_diff_density_min         -0.275
_refine_diff_density_rms         0.046
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.002
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     374
_refine_ls_number_reflns         7315
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.002
_refine_ls_R_factor_all          0.0875
_refine_ls_R_factor_gt           0.0456
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0408P)^2^+0.9330P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0925
_refine_ls_wR_factor_ref         0.1077
_reflns_number_gt                4870
_reflns_number_total             7315
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om1009044_si_002.cif
_cod_data_source_block           '[tBu3PH][PhCCBPh3]'
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4067202