Evidence for C−H···X−Ir (X = Cl or I) Hydrogen Bonding between Imidazolium Salts and Iridium-Bound Halides and Formation of Ir(I) NHC Complexes†
Zuo, Weiwei; Braunstein, Pierre; Organometallics 29 (2010) 5535–; doi:10.1021/om100496x

data_4066496
_publ_section_title
;
 Evidence for C&#x2212;H&#x00B7;&#x00B7;&#x00B7;X&#x2212;Ir (X = Cl or I)
 Hydrogen Bonding between Imidazolium Salts and Iridium-Bound Halides and
 Formation of Ir(I) NHC Complexes&#x2020;
;
_journal_issue                   21
_journal_name_full               Organometallics
_journal_page_first              5535
_journal_paper_doi               10.1021/om100496x
_journal_volume                  29
_journal_year                    2010
_chemical_formula_moiety         'C34 H44 N4, C8 H12 I2 Ir, C2 H3 N, I'
_chemical_formula_sum            'C44 H59 I3 Ir N5'
_chemical_formula_weight         1230.86
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_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                 104.9180(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   26.3151(7)
_cell_length_b                   9.6141(2)
_cell_length_c                   18.0668(6)
_cell_measurement_reflns_used    7926
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      26.373
_cell_measurement_theta_min      0.998
_cell_volume                     4416.8(2)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Bruker AXS BV, 1997-2004)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics    ORTEP
_computing_publication_material  PLATON
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       CCD
_diffrn_radiation_monochromator  graphite
_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_sigmaI/netI    0.0600
_diffrn_reflns_limit_h_max       32
_diffrn_reflns_limit_h_min       -32
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            15356
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         3.10
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    5.156
_exptl_absorpt_correction_T_max  0.766
_exptl_absorpt_correction_T_min  0.512
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'L. Spek, J. Appl.Cryst. 2003, 36, 7, B. Blessing, Acta Cryst, 1995, A51, 33'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.851
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2376
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.03
_refine_diff_density_max         1.160
_refine_diff_density_min         -1.406
_refine_diff_density_rms         0.149
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     481
_refine_ls_number_reflns         8937
_refine_ls_number_restraints     216
_refine_ls_restrained_S_all      1.053
_refine_ls_R_factor_all          0.0705
_refine_ls_R_factor_gt           0.0431
_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^)+(0.0429P)^2^+4.4842P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0896
_refine_ls_wR_factor_ref         0.0993
_reflns_number_gt                6539
_reflns_number_total             8937
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om100496x_si_002.cif
_cod_data_source_block           ZwIr3
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4066496