Stereodefined Access to Lactams via Olefin Difunctionalization: Iridium Nitrenoids as a Motif of LUMO-Controlled Dipoles.
Hong, Seung Youn; Chang, Sukbok; Journal of the American Chemical Society 141 (2019) 10399–10408; doi:10.1021/jacs.9b04317

data_4128021
_publ_section_title
;
 Stereodefined Access to Lactams via Olefin Difunctionalization: Iridium
 Nitrenoids as a Motif of LUMO-Controlled Dipoles.
;
_journal_issue                   26
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              10399
_journal_page_last               10408
_journal_paper_doi               10.1021/jacs.9b04317
_journal_volume                  141
_journal_year                    2019
_chemical_formula_sum            'C17 H16 Cl N O'
_chemical_formula_weight         285.76
_space_group_crystal_system      orthorhombic
_space_group_IT_number           33
_space_group_name_Hall           'P 2c -2n'
_space_group_name_H-M_alt        'P n a 21'
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2018/3
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   16.012(3)
_cell_length_b                   15.318(3)
_cell_length_c                   5.5950(11)
_cell_measurement_reflns_used    23071
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      33.575
_cell_measurement_theta_min      0.418
_cell_volume                     1372.3(5)
_computing_cell_refinement       HKL3000sm
_computing_data_collection       'PAL BL2D-SMDC Program'
_computing_data_reduction        HKL3000sm
_computing_structure_refinement  SHELXL
_computing_structure_solution    SHELXS
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rayonix MX225HS CCD area detector'
_diffrn_measurement_method       'omega scan'
_diffrn_radiation_type           synchrotron
_diffrn_radiation_wavelength     0.730
_diffrn_reflns_av_R_equivalents  0.0629
_diffrn_reflns_av_unetI/netI     0.0404
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       7
_diffrn_reflns_limit_l_min       -7
_diffrn_reflns_number            12846
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.976
_diffrn_reflns_theta_max         28.996
_diffrn_reflns_theta_min         1.890
_diffrn_source                   'PLSII 2D bending magnet'
_exptl_absorpt_coefficient_mu    0.289
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.866
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'HKL3000sm Scalepack'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.383
_exptl_crystal_description       needle
_exptl_crystal_F_000             600
_exptl_crystal_size_max          0.057
_exptl_crystal_size_mid          0.022
_exptl_crystal_size_min          0.020
_refine_diff_density_max         0.575
_refine_diff_density_min         -0.290
_refine_diff_density_rms         0.063
_refine_ls_abs_structure_details
;
 Flack x determined using 1351 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.06(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.094
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     193
_refine_ls_number_reflns         3366
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.094
_refine_ls_R_factor_all          0.0449
_refine_ls_R_factor_gt           0.0428
_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^)+(0.0638P)^2^+0.4651P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1125
_refine_ls_wR_factor_ref         0.1142
_reflns_Friedel_coverage         0.818
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     1.000
_reflns_number_gt                3180
_reflns_number_total             3366
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja9b04317_si_009.cif
_cod_data_source_block           PO19039_033
_cod_database_code               4128021
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.984
_shelx_estimated_absorpt_t_max   0.994
_shelx_res_checksum              78826
_shelx_hkl_checksum              81643