Study of Intermediates in Iridium-(Phosphoramidite,Olefin)-Catalyzed Enantioselective Allylic Substitution.
Rössler, Simon L; Krautwald, Simon; Carreira, Erick M.; Journal of the American Chemical Society 139 (2017) 3603–3606; doi:10.1021/jacs.6b12421

data_4131220
_publ_section_title
;
 Study of Intermediates in Iridium-(Phosphoramidite,Olefin)-Catalyzed
 Enantioselective Allylic Substitution.
;
_journal_issue                   10
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              3603
_journal_page_last               3606
_journal_paper_doi               10.1021/jacs.6b12421
_journal_volume                  139
_journal_year                    2017
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C68 H44 Cl Ir N2 O4 P2'
_chemical_formula_sum            'C68 H44 Cl Ir N2 O4 P2'
_chemical_formula_weight         1242.64
_space_group_crystal_system      orthorhombic
_space_group_IT_number           18
_space_group_name_Hall           'P 2 2ab'
_space_group_name_H-M_alt        'P 21 21 2'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2016-01-25
_audit_creation_method
;
Olex2 1.2
(compiled 2015.09.30 svn.r3233 for OlexSys, GUI svn.r5103)
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   15.3515(18)
_cell_length_b                   21.677(3)
_cell_length_c                   8.8389(9)
_cell_measurement_reflns_used    9700
_cell_measurement_temperature    100.0(2)
_cell_measurement_theta_max      30.32
_cell_measurement_theta_min      2.82
_cell_volume                     2941.4(6)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'XS (Sheldrick, 2008)'
_diffrn_ambient_temperature      100.0(2)
_diffrn_detector                 'Bruker APEX2 area detector'
_diffrn_detector_area_resol_mean 8.33
_diffrn_detector_type            'CCD area detector'
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device       'kappa-stage diffractometer'
_diffrn_measurement_device_type  'Bruker/Nonius Kappa Apex2'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'double mirror optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0377
_diffrn_reflns_av_unetI/netI     0.0268
_diffrn_reflns_Laue_measured_fraction_full 0.994
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       31
_diffrn_reflns_limit_k_min       -30
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            133966
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.526
_diffrn_reflns_theta_min         2.300
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_type              'Incoatec I\ms high brilliance'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.419
_exptl_absorpt_correction_T_max  0.6708
_exptl_absorpt_correction_T_min  0.5958
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/5 (Bruker,2014/5) was used for absorption correction.
wR2(int) was 0.0979 before and 0.0690 after correction.
The Ratio of minimum to maximum transmission is 0.8882.
The \l/2 correction factor is 0.00150.
;
_exptl_crystal_colour            'clear colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.403
_exptl_crystal_description       block
_exptl_crystal_F_000             1244
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.967
_refine_diff_density_min         -0.688
_refine_diff_density_rms         0.111
_refine_ls_abs_structure_details
;
 Flack x determined using 3737 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.0111(19)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.104
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     353
_refine_ls_number_reflns         8962
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.104
_refine_ls_R_factor_all          0.0258
_refine_ls_R_factor_gt           0.0246
_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^)+(0.0333P)^2^+3.8399P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0680
_refine_ls_wR_factor_ref         0.0686
_reflns_Friedel_coverage         0.796
_reflns_Friedel_fraction_full    0.999
_reflns_Friedel_fraction_max     0.997
_reflns_number_gt                8623
_reflns_number_total             8962
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja6b12421_si_002.cif
_cod_data_source_block           ca190116_1_1_0ma
_cod_original_cell_volume        2941.3(6)
_cod_database_code               4131220
_shelxl_version_number           2014/6
_shelx_estimated_absorpt_t_max   0.794
_shelx_estimated_absorpt_t_min   0.643
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2. Restrained distances
 Ir1-H28
 -2.231 with sigma of 0.001
3.a Aromatic/amide H refined with riding coordinates:
 C2(H2), C3(H3), C5(H5), C6(H6), C7(H7), C8(H8), C13(H13), C14(H14), C16(H16),
 C17(H17), C18(H18), C19(H19), C22(H22), C23(H23), C24(H24), C25(H25), C27(H27),
  C28(H28), C30(H30), C31(H31), C32(H32), C33(H33)
;
_shelx_res_checksum              27330
_shelx_hkl_checksum              70679
_olex2_date_sample_data_collection 2016-01-19
_olex2_date_sample_submission    2016-01-19
_olex2_submission_original_sample_id ca190116_1_1
_olex2_submission_special_instructions 'No special instructions were received'