Bis-Cyclometalated Iridium(III) Complexes Bearing Ancillary Guanidinate Ligands. Synthesis, Structure, and Highly Efficient Electroluminescence
Virendra Kumar Rai; Masayoshi Nishiura; Masanori Takimoto; Shanshan Zhao; Yu Liu; Zhaomin Hou; Inorganic Chemistry 51 (2012) 822–835; doi:10.1021/ic201217a

data_4327950
_publ_section_title
;
 Bis-Cyclometalated Iridium(III) Complexes Bearing Ancillary Guanidinate
 Ligands. Synthesis, Structure, and Highly Efficient Electroluminescence
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              822
_journal_page_last               835
_journal_paper_doi               10.1021/ic201217a
_journal_volume                  51
_journal_year                    2012
_chemical_formula_sum            'C41 H38 Ir N5'
_chemical_formula_weight         792.96
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                101.863(2)
_cell_angle_beta                 103.870(2)
_cell_angle_gamma                117.480(2)
_cell_formula_units_Z            2
_cell_length_a                   12.064(2)
_cell_length_b                   12.613(2)
_cell_length_c                   13.605(2)
_cell_measurement_reflns_used    330
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      25
_cell_measurement_theta_min      2
_cell_volume                     1658.6(5)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.949
_diffrn_measured_fraction_theta_max 0.949
_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  0.0301
_diffrn_reflns_av_sigmaI/netI    0.0492
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            8572
_diffrn_reflns_theta_full        25.09
_diffrn_reflns_theta_max         25.09
_diffrn_reflns_theta_min         1.66
_exptl_absorpt_coefficient_mu    4.063
_exptl_absorpt_correction_T_max  0.6868
_exptl_absorpt_correction_T_min  0.3753
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.588
_exptl_crystal_description       needle
_exptl_crystal_F_000             792
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.10
_refine_diff_density_max         6.058
_refine_diff_density_min         -1.980
_refine_diff_density_rms         0.238
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.100
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     394
_refine_ls_number_reflns         5605
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.100
_refine_ls_R_factor_all          0.0607
_refine_ls_R_factor_gt           0.0511
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1014P)^2^+10.5110P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1392
_refine_ls_wR_factor_ref         0.1624
_reflns_number_gt                4891
_reflns_number_total             5605
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic201217a_si_002_03.cif
_cod_data_source_block           3
_cod_database_code               4327950