Control of the Mutual Arrangement of Cyclometalated Ligands in Cationic Iridium(III) Complexes. Synthesis, Spectroscopy, and Electroluminescence of the Different Isomers
Jesús M. Fernández-Hernández; Cheng-Han Yang; Juan I. Beltrán; Vincent Lemaur; Federico Polo; Roland Fröhlich; Jêrôme Cornil; Luisa De Cola; Journal of the American Chemical Society 133 (2011) 10543–10558; doi:10.1021/ja201691b

data_4106374
_publ_section_title
;
 Control of the Mutual Arrangement of Cyclometalated Ligands in Cationic
 Iridium(III) Complexes. Synthesis, Spectroscopy, and Electroluminescence
 of the Different Isomers
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              10543
_journal_page_last               10558
_journal_paper_doi               10.1021/ja201691b
_journal_volume                  133
_journal_year                    2011
_chemical_formula_sum            'C34 H28 Cl F4 Ir N7 O0.5'
_chemical_formula_weight         846.28
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 91.780(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   13.0906(3)
_cell_length_b                   25.0294(5)
_cell_length_c                   19.5896(5)
_cell_measurement_reflns_used    13893
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      0.41
_cell_volume                     6415.4(3)
_computing_cell_refinement       'Collect (Nonius B.V., 1998)'
_computing_data_collection       'Collect (Nonius B.V., 1998)'
_computing_data_reduction        'Denzo-SMN (Otwinowski & Minor, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      223(2)
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type  'Nonius KappaCCD APEXII'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'Montel mirror'
_diffrn_radiation_source         'rotating anode Nonius FR591'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.062
_diffrn_reflns_av_sigmaI/netI    0.0619
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            45108
_diffrn_reflns_theta_full        22.50
_diffrn_reflns_theta_max         22.50
_diffrn_reflns_theta_min         1.76
_exptl_absorpt_coefficient_mu    4.308
_exptl_absorpt_correction_T_max  0.7244
_exptl_absorpt_correction_T_min  0.5643
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'Denzo (Otwinowski, Borek, Majewski & Minor, 2003)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.752
_exptl_crystal_description       block
_exptl_crystal_F_000             3320
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.08
_refine_diff_density_max         4.685
_refine_diff_density_min         -2.169
_refine_diff_density_rms         0.227
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.215
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     860
_refine_ls_number_reflns         8250
_refine_ls_number_restraints     408
_refine_ls_restrained_S_all      1.191
_refine_ls_R_factor_all          0.1161
_refine_ls_R_factor_gt           0.0990
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0913P)^2^+199.5546P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2538
_refine_ls_wR_factor_ref         0.2662
_reflns_number_gt                6754
_reflns_number_total             8250
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja201691b_si_005.cif
_cod_data_source_block           fro5200
_cod_original_formula_sum        'C34 H28 Cl F4 Ir N7 O0.50'
_cod_database_code               4106374