Reactivity of the geminal phosphinoborane tBu <sub>2</sub> PCH <sub>2</sub> BPh <sub>2</sub> towards alkynes, nitriles, and nitrilium triflates
Habraken, Evi R. M.; Mens, Lars C.; Nieger, Martin; Lutz, Martin; Ehlers, Andreas W.; Slootweg, J. Chris; Dalton Transactions 46 (2017) 12284–12292; doi:10.1039/C7DT02570J

data_1546900
_publ_section_title
;
 Reactivity of the geminal phosphinoborane tBu <sub>2</sub> PCH
 <sub>2</sub> BPh <sub>2</sub> towards alkynes, nitriles, and nitrilium
 triflates
;
_journal_issue                   36
_journal_name_full               'Dalton Transactions'
_journal_page_first              12284
_journal_page_last               12292
_journal_paper_doi               10.1039/C7DT02570J
_journal_volume                  46
_journal_year                    2017
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C32 H44 B N P, C F3 O3 S'
_chemical_formula_sum            'C33 H44 B F3 N O3 P S'
_chemical_formula_weight         633.53
_chemical_name_systematic
'4,4,5-tri-tert-butyl-1,2,2-triphenyl-3,4-dihydro-2H-1\l^4^,4,2\l^4^-azaphosphaborol-4-ium trifluoromethanesulfonate'
_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   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2017-06-14 deposited with the CCDC.
2017-08-28 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 101.210(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   13.6317(8)
_cell_length_b                   11.9518(8)
_cell_length_c                   19.7278(13)
_cell_measurement_reflns_used    9500
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      2.8
_cell_volume                     3152.8(3)
_computing_cell_refinement       APEX3
_computing_data_collection       APEX3
_computing_data_reduction        SAINT
_computing_molecular_graphics    Shelxtl
_computing_publication_material  publCIF
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    SHELXS-97
_diffrn_ambient_temperature      123(2)
_diffrn_detector_area_resol_mean 10.4167
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker D8 VENTURE with Photon100 detector'
_diffrn_measurement_method       'rotation in \f and \w, 1\%, shutterless'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0277
_diffrn_reflns_av_unetI/netI     0.0165
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            63370
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.547
_diffrn_reflns_theta_min         2.105
_diffrn_source                   'INCOATEC microfocus sealed tube'
_exptl_absorpt_coefficient_mu    0.206
_exptl_absorpt_correction_T_max  0.9586
_exptl_absorpt_correction_T_min  0.9219
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2014)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.335
_exptl_crystal_description       blocks
_exptl_crystal_F_000             1344
_exptl_crystal_size_max          0.360
_exptl_crystal_size_mid          0.220
_exptl_crystal_size_min          0.180
_refine_diff_density_max         0.313
_refine_diff_density_min         -0.187
_refine_diff_density_rms         0.042
_refine_ls_abs_structure_details
;
 Flack x determined using 3412 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.015(11)
_refine_ls_extinction_coef       0.0035(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014'
_refine_ls_goodness_of_fit_ref   1.058
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     389
_refine_ls_number_reflns         7264
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.058
_refine_ls_R_factor_all          0.0283
_refine_ls_R_factor_gt           0.0272
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0367P)^2^+1.9794P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0674
_refine_ls_wR_factor_ref         0.0682
_reflns_Friedel_coverage         0.997
_reflns_Friedel_fraction_full    0.999
_reflns_Friedel_fraction_max     0.998
_reflns_number_gt                7090
_reflns_number_total             7264
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7dt02570j2.cif
_cod_data_source_block           jcs071_compound_7b
_cod_database_code               1546900
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.929
_shelx_estimated_absorpt_t_max   0.964
_shelx_res_checksum              49062