Implications of CO2Activation by Frustrated Lewis Pairs in the Catalytic Hydroboration of CO2: A View Using N/Si+Frustrated Lewis Pairs
von Wolff, N.; Lefèvre, G.; Berthet, J.-C.; Thuéry, P.; Cantat, T.; ACS Catalysis  (2016) 4526–; doi:10.1021/acscatal.6b00421

data_4513894
_publ_section_title
;
 Implications of CO2Activation by Frustrated Lewis Pairs in the Catalytic
 Hydroboration of CO2: A View Using N/Si+Frustrated Lewis Pairs
;
_journal_name_full               'ACS Catalysis'
_journal_page_first              4526
_journal_paper_doi               10.1021/acscatal.6b00421
_journal_year                    2016
_chemical_absolute_configuration ad
_chemical_formula_sum            'C19 H23 N3 Si'
_chemical_formula_weight         321.49
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 92.704(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.5953(8)
_cell_length_b                   8.5523(4)
_cell_length_c                   11.7943(11)
_cell_measurement_reflns_used    26976
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      25.67
_cell_measurement_theta_min      2.94
_cell_volume                     866.03(12)
_computing_cell_refinement       'HKL2000 (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Nonius, 1998)'
_computing_data_reduction        'HKL2000 (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material
'SHELXTL (Sheldrick, 2008); PLATON (Spek, 2003)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type
'Nonius Kappa-CCD area-detector diffractometer'
_diffrn_measurement_method
'two \f and six \w scans with 2\% steps (439 frames)'
_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  0.0337
_diffrn_reflns_av_sigmaI/netI    0.0396
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            26976
_diffrn_reflns_theta_full        25.67
_diffrn_reflns_theta_max         25.67
_diffrn_reflns_theta_min         2.94
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.139
_exptl_absorpt_correction_T_max  0.982
_exptl_absorpt_correction_T_min  0.894
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SCALEPACK (Otwinowski & Minor, 1997)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.233
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       parallelepiped
_exptl_crystal_F_000             344
_exptl_crystal_size_max          0.19
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.238
_refine_diff_density_min         -0.223
_refine_diff_density_rms         0.053
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.1(2)
_refine_ls_extinction_coef       0.059(10)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.121
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     290
_refine_ls_number_reflns         3287
_refine_ls_number_restraints     7
_refine_ls_restrained_S_all      1.120
_refine_ls_R_factor_all          0.0699
_refine_ls_R_factor_gt           0.0590
_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^)+(0.0819P)^2^+0.2588P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1521
_refine_ls_wR_factor_ref         0.1584
_reflns_number_gt                2840
_reflns_number_total             3287
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cs6b00421_si_002.cif
_cod_data_source_block           9
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               4513894