Backbone Thio-Functionalized Imidazol-2-ylidene‒Metal Complexes: Synthesis, Structure, Electronic Properties, and Catalytic Activity
Karthik, Vedhagiri; Bhat, Irshad Ahmad; Anantharaman, Ganapathi; Organometallics 32 (2013) 7006–; doi:10.1021/om400585b

data_4081821
_publ_section_title
;
 Backbone Thio-Functionalized Imidazol-2-ylidene--Metal Complexes:
 Synthesis, Structure, Electronic Properties, and Catalytic Activity
;
_journal_issue                   23
_journal_name_full               Organometallics
_journal_page_first              7006
_journal_paper_doi               10.1021/om400585b
_journal_volume                  32
_journal_year                    2013
_chemical_formula_moiety         ' C50 H56 Cl2 Ir2 N4 S4'
_chemical_formula_sum            'C50 H56 Cl2 Ir2 N4 S4'
_chemical_formula_weight         1296.53
_chemical_name_common            'Iridium-NHC complex'
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.557(4)
_cell_length_b                   11.625(4)
_cell_length_c                   19.462(7)
_cell_measurement_reflns_used    5729
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.27
_cell_measurement_theta_min      2.61
_cell_volume                     2388.5(15)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'ORTEP 3'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0479
_diffrn_reflns_av_sigmaI/netI    0.0663
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            13082
_diffrn_reflns_theta_full        25.99
_diffrn_reflns_theta_max         25.99
_diffrn_reflns_theta_min         2.04
_exptl_absorpt_coefficient_mu    5.893
_exptl_absorpt_correction_T_max  0.5903
_exptl_absorpt_correction_T_min  0.4168
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.803
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Needle
_exptl_crystal_F_000             1272
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.10
_refine_diff_density_max         2.356
_refine_diff_density_min         -0.902
_refine_diff_density_rms         0.149
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.014(11)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.072
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     285
_refine_ls_number_reflns         4668
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.072
_refine_ls_R_factor_all          0.0442
_refine_ls_R_factor_gt           0.0405
_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^)+(0.0343P)^2^+3.7747P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0939
_refine_ls_wR_factor_ref         0.0957
_reflns_number_gt                4377
_reflns_number_total             4668
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om400585b_si_001.cif
_cod_data_source_block           1janam
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_cell_volume        2388.5(14)
_cod_original_sg_symbol_H-M      'P2(1)2(1)2(1) '
_cod_database_code               4081821