Stable Blue Phosphorescence Iridium(III) Cyclometalated Complexes Prompted by Intramolecular Hydrogen Bond in Ancillary Ligand.
Yi, Seungjun; Kim, Jin-Hyoung; Cho, Yang-Jin; Lee, Jiwon; Choi, Tae-Sup; Cho, Dae Won; Pac, Chyongjin; Han, Won-Sik; Son, Ho-Jin; Kang, Sang Ook; Inorganic chemistry 55 (2016) 3324–3331; doi:10.1021/acs.inorgchem.5b02511

data_4346987
_publ_section_title
;
 Stable Blue Phosphorescence Iridium(III) Cyclometalated Complexes
 Prompted by Intramolecular Hydrogen Bond in Ancillary Ligand.
;
_journal_issue                   7
_journal_name_full               'Inorganic chemistry'
_journal_page_first              3324
_journal_page_last               3331
_journal_paper_doi               10.1021/acs.inorgchem.5b02511
_journal_volume                  55
_journal_year                    2016
_chemical_formula_sum            'C28 H20 Ir N3 O3'
_chemical_formula_weight         638.53
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                72.450(6)
_cell_angle_beta                 77.057(6)
_cell_angle_gamma                77.615(6)
_cell_formula_units_Z            2
_cell_length_a                   9.439(4)
_cell_length_b                   12.872(5)
_cell_length_c                   13.924(5)
_cell_measurement_reflns_used    10281
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.265
_cell_measurement_theta_min      2.496
_cell_volume                     1552.2(11)
_computing_cell_refinement       'SMART (Bruker, 1999)'
_computing_data_collection       'SMART (Bruker, 1999)'
_computing_data_reduction        'SAINT-Plus (Bruker, 1999)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.790
_diffrn_measured_fraction_theta_max 0.817
_diffrn_measurement_device_type  'Bruker SMART 1000 CCD diffractometer'
_diffrn_measurement_method       \w-scans
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0428
_diffrn_reflns_av_unetI/netI     0.0686
_diffrn_reflns_Laue_measured_fraction_full 0.790
_diffrn_reflns_Laue_measured_fraction_max 0.817
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            16622
_diffrn_reflns_point_group_measured_fraction_full 0.790
_diffrn_reflns_point_group_measured_fraction_max 0.817
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.336
_diffrn_reflns_theta_min         1.680
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    4.328
_exptl_absorpt_correction_T_max  0.881
_exptl_absorpt_correction_T_min  0.376
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.366
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             620
_exptl_crystal_size_max          0.140
_exptl_crystal_size_mid          0.060
_exptl_crystal_size_min          0.030
_refine_diff_density_max         1.963
_refine_diff_density_min         -0.946
_refine_diff_density_rms         0.160
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.020
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     316
_refine_ls_number_reflns         6325
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.020
_refine_ls_R_factor_all          0.0495
_refine_ls_R_factor_gt           0.0428
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0600P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1130
_refine_ls_wR_factor_ref         0.1146
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5236
_reflns_number_total             6325
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ic5b02511_si_002.cif
_cod_data_source_block           2a
_cod_database_code               4346987
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.582
_shelx_estimated_absorpt_t_max   0.881
_shelx_res_checksum              46213
_shelx_hkl_checksum              51457