Cleavage of Ether, Ester, and Tosylate C(sp3)-O Bonds by an Iridium Complex, Initiated by Oxidative Addition of C-H Bonds. Experimental and Computational Studies
Sabuj Kundu; Jongwook Choi; David Y. Wang; Yuriy Choliy; Thomas J. Emge; Karsten Krogh-Jespersen; Alan S. Goldman; Journal of the American Chemical Society 135 (2013) 5127–5143; doi:10.1021/ja312464b

data_4119531
_publ_section_title
;
 Cleavage of Ether, Ester, and Tosylate C(sp3)-O Bonds by an Iridium
 Complex, Initiated by Oxidative Addition of C-H Bonds. Experimental and
 Computational Studies
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              5127
_journal_page_last               5143
_journal_paper_doi               10.1021/ja312464b
_journal_volume                  135
_journal_year                    2013
_chemical_formula_sum            'C26 H45.53 Ir O2 P2'
_chemical_formula_weight         644.29
_chemical_name_systematic
; 
 ? 
;
_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                 111.957(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.7049(10)
_cell_length_b                   11.1407(8)
_cell_length_c                   17.7742(12)
_cell_measurement_reflns_used    7142
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      32.12
_cell_measurement_theta_min      2.21
_cell_volume                     2700.6(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0281
_diffrn_reflns_av_sigmaI/netI    0.0290
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            30236
_diffrn_reflns_theta_full        32.15
_diffrn_reflns_theta_max         32.15
_diffrn_reflns_theta_min         2.21
_exptl_absorpt_coefficient_mu    5.082
_exptl_absorpt_correction_T_max  0.999
_exptl_absorpt_correction_T_min  0.449
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker SAINT (SADABS)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.585
_exptl_crystal_description       lathe
_exptl_crystal_F_000             1298
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         3.692
_refine_diff_density_min         -2.823
_refine_diff_density_rms         0.143
_refine_ls_extinction_coef       0.00111(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   1.003
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     309
_refine_ls_number_reflns         9325
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      1.003
_refine_ls_R_factor_all          0.0311
_refine_ls_R_factor_gt           0.0277
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0380P)^2^+4.5000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0674
_refine_ls_wR_factor_ref         0.0690
_reflns_number_gt                8503
_reflns_number_total             9325
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja312464b_si_010.cif
_cod_data_source_block           irpcpcacet
_cod_database_code               4119531