Synthesis, characterization and electroluminescence properties of new iridium complexes based on cyclic phenylvinylpyridine derivatives: tuning of emission colour and efficiency by structural control
Takizawa, Shin-ya; Sasaki, Yuka; Akhtaruzzaman, Md.; Echizen, Hidenori; Nishida, Jun-ichi; Iwata, Takeshi; Tokito, Shizuo; Yamashita, Yoshiro; Journal of Materials Chemistry 17 (2007) 841–; doi:10.1039/b612633b

data_7202502
_publ_section_title
;
 Synthesis, characterization and electroluminescence properties of new
 iridium complexes based on cyclic phenylvinylpyridine derivatives:
 tuning of emission colour and efficiency by structural control
;
_journal_issue                   9
_journal_name_full               'Journal of Materials Chemistry'
_journal_page_first              841
_journal_paper_doi               10.1039/b612633b
_journal_volume                  17
_journal_year                    2007
_chemical_formula_sum            'C35 H31 Ir N2 O2'
_chemical_formula_weight         703.86
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_cell_angle_alpha                94.85(6)
_cell_angle_beta                 97.12(6)
_cell_angle_gamma                94.57(6)
_cell_formula_units_Z            4
_cell_length_a                   11.91(2)
_cell_length_b                   13.05(2)
_cell_length_c                   18.42(4)
_cell_measurement_reflns_used    21254
_cell_measurement_temperature    93.2
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      3.0
_cell_volume                     2819(9)
_computing_cell_refinement       PROCESS-AUTO
_computing_data_collection       PROCESS-AUTO
_computing_data_reduction        'teXsan Ver. 1.11'
_computing_publication_material  'teXsan Ver. 1.11'
_computing_structure_refinement  'teXsan Ver. 1.10'
_computing_structure_solution    'DIRDIF94 (PATTY)'
_diffrn_detector_area_resol_mean 10.00
_diffrn_measured_fraction_theta_full 0.9250
_diffrn_measured_fraction_theta_max 0.9250
_diffrn_measurement_device_type  'Rigaku RAXIS-RAPID Imaging Plate'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.7107
_diffrn_reflns_av_R_equivalents  0.028
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            24537
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_exptl_absorpt_coefficient_mu    4.782
_exptl_absorpt_correction_T_max  0.092
_exptl_absorpt_correction_T_min  0.028
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(Higashi, 1995)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.657
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_size_max          0.500
_exptl_crystal_size_mid          0.500
_exptl_crystal_size_min          0.500
_refine_diff_density_max         1.14
_refine_diff_density_min         -0.85
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.893
_refine_ls_hydrogen_treatment    noref
_refine_ls_number_parameters     721
_refine_ls_number_reflns         11929
_refine_ls_R_factor_gt           0.0273
_refine_ls_shift/su_max          0.0030
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^) + (0.05000(Max(Fo^2^,0) + 2Fc^2^)/3)^2^]'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.0899
_reflns_number_gt                8369
_reflns_number_total             11929
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            b612633b.txt
_cod_data_source_block           4a
_cod_original_cell_volume        2820(27)
_cod_original_sg_symbol_H-M      'P -1 '
_cod_original_formula_sum        'C35 H31 Ir N2 O2 '
_cod_database_code               7202502