Impact of the number of o-carboranyl ligands on the photophysical and electroluminescent properties of iridium(iii) cyclometalates
Van Nghia, Nguyen; Park, Sunghee; An, Youngjoon; Lee, Junseong; Jung, Jaehoon; Yoo, Seunghyup; Lee, Min Hyung; Journal of Materials Chemistry C 5 (2017) 3024–; doi:10.1039/C7TC00247E

data_7236702
_publ_section_title
;
 Impact of the number of o-carboranyl ligands on the photophysical and
 electroluminescent properties of iridium(iii) cyclometalates
;
_journal_issue                   12
_journal_name_full               'Journal of Materials Chemistry C'
_journal_page_first              3024
_journal_paper_doi               10.1039/C7TC00247E
_journal_volume                  5
_journal_year                    2017
_chemical_formula_sum            'C76 H82 B20 Ir2 N6 O'
_chemical_formula_weight         1696.07
_space_group_crystal_system      orthorhombic
_space_group_IT_number           33
_space_group_name_Hall           'P 2c -2n'
_space_group_name_H-M_alt        'P n a 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014
_audit_update_record
;
2017-01-10 deposited with the CCDC.
2017-02-24 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   9.71570(10)
_cell_length_b                   23.9775(4)
_cell_length_c                   16.1910(2)
_cell_measurement_reflns_used    6121
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.29
_cell_measurement_theta_min      2.52
_cell_volume                     3771.83(9)
_computing_structure_refinement  'SHELXL-2014 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.974
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0513
_diffrn_reflns_av_unetI/netI     0.0657
_diffrn_reflns_Laue_measured_fraction_full 0.974
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            23529
_diffrn_reflns_point_group_measured_fraction_full 0.968
_diffrn_reflns_point_group_measured_fraction_max 0.994
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         24.999
_diffrn_reflns_theta_min         2.262
_exptl_absorpt_coefficient_mu    3.574
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.493
_exptl_crystal_description       block
_exptl_crystal_F_000             1684
_exptl_crystal_preparation       ', Luminescent'
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.080
_exptl_crystal_size_min          0.050
_refine_diff_density_max         0.813
_refine_diff_density_min         -0.957
_refine_diff_density_rms         0.100
_refine_ls_abs_structure_details
;
 Flack x determined using 2304 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.014(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.089
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     499
_refine_ls_number_reflns         6609
_refine_ls_number_restraints     60
_refine_ls_restrained_S_all      1.096
_refine_ls_R_factor_all          0.0483
_refine_ls_R_factor_gt           0.0369
_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^)] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0544
_refine_ls_wR_factor_ref         0.0569
_reflns_Friedel_coverage         0.915
_reflns_Friedel_fraction_full    0.962
_reflns_Friedel_fraction_max     0.987
_reflns_number_gt                5638
_reflns_number_total             6609
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7tc00247e2.cif
_cod_data_source_block           3b
_cod_database_code               7236702
_shelx_estimated_absorpt_t_min   0.535
_shelx_estimated_absorpt_t_max   0.842
_shelxl_version_number           2014-3
_shelx_res_checksum              45046
_shelx_hkl_checksum              5168