Hemilabile N-Xylyl-N'-methylperimidine Carbene Iridium Complexes as Catalysts for C-H Activation and Dehydrogenative Silylation: Dual Role of N-Xylyl Moiety for ortho-C-H Bond Activation and Reductive Bond Cleavage
Gyeongshin Choi; Hayato Tsurugi; Kazushi Mashima; Journal of the American Chemical Society 135 (2013) 13149–13161; doi:10.1021/ja406519u

data_4120732
_publ_section_title
;
 Hemilabile N-Xylyl-N'-methylperimidine Carbene Iridium Complexes as
 Catalysts for C-H Activation and Dehydrogenative Silylation: Dual Role of
 N-Xylyl Moiety for ortho-C-H Bond Activation and Reductive Bond Cleavage
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              13149
_journal_page_last               13161
_journal_paper_doi               10.1021/ja406519u
_journal_volume                  135
_journal_year                    2013
_chemical_formula_moiety         'C37 H41 Cl Ir N3 Si'
_chemical_formula_sum            'C37 H41 Cl Ir N3 Si'
_chemical_formula_weight         783.49
_chemical_name_common            8d-Cl
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                71.67(4)
_cell_angle_beta                 85.56(5)
_cell_angle_gamma                68.28(4)
_cell_formula_units_Z            2
_cell_length_a                   11.0299(13)
_cell_length_b                   11.3492(8)
_cell_length_c                   14.7789(13)
_cell_measurement_reflns_used    3476
_cell_measurement_temperature    113(2)
_cell_measurement_theta_max      26.37
_cell_measurement_theta_min      3.23
_cell_volume                     1629.9(7)
_computing_cell_refinement       CrystalClear
_computing_data_collection       'CrystalClear (Rigaku Inc., 2007)'
_computing_data_reduction        CrystalClear
_computing_molecular_graphics    'CrystalStructure 4.0'
_computing_publication_material  'CrystalStructure 4.0 (Rigaku, 2010)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      113(2)
_diffrn_detector_area_resol_mean 7.314
_diffrn_measured_fraction_theta_full 0.961
_diffrn_measured_fraction_theta_max 0.961
_diffrn_measurement_device_type  'Rigaku Mercury70'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0469
_diffrn_reflns_av_sigmaI/netI    0.0786
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            13653
_diffrn_reflns_theta_full        26.34
_diffrn_reflns_theta_max         26.34
_diffrn_reflns_theta_min         3.32
_exptl_absorpt_coefficient_mu    4.245
_exptl_absorpt_correction_T_max  0.507
_exptl_absorpt_correction_T_min  0.360
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB (Rigaku, 1998)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.596
_exptl_crystal_description       block
_exptl_crystal_F_000             784
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.16
_refine_diff_density_max         4.882
_refine_diff_density_min         -5.354
_refine_diff_density_rms         0.257
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.139
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     389
_refine_ls_number_reflns         6397
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.139
_refine_ls_R_factor_all          0.0831
_refine_ls_R_factor_gt           0.0756
_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^)+(0.0547P)^2^+30.9954P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1743
_refine_ls_wR_factor_ref         0.1817
_reflns_number_gt                5799
_reflns_number_total             6658
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja406519u_si_001_12.cif
_cod_data_source_block           8d-Cl
_cod_original_cell_volume        1629.9(3)
_cod_database_code               4120732