Synthesis and Characterization of Facial and Meridional Tris-cyclometalated Iridium(III) Complexes
Arnold B. Tamayo; Bert D. Alleyne; Peter I. Djurovich; Sergey Lamansky; Irina Tsyba; Nam N. Ho; Robert Bau; Mark E. Thompson; Journal of the American Chemical Society 125 (2003) 7377–7387; doi:10.1021/ja034537z

data_4113820
_publ_section_title
;
 Synthesis and Characterization of Facial and Meridional
 Tris-cyclometalated Iridium(III) Complexes
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              7377
_journal_page_last               7387
_journal_paper_doi               10.1021/ja034537z
_journal_volume                  125
_journal_year                    2003
_chemical_formula_sum            'C27 H21 Ir N6'
_chemical_formula_weight         621.70
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           114
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P -4 2n'
_symmetry_space_group_name_H-M   'P -4 21 c'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   23.125(11)
_cell_length_b                   23.125(11)
_cell_length_c                   8.854(8)
_cell_measurement_reflns_used    5375
_cell_measurement_temperature    273(2)
_cell_measurement_theta_max      27.40
_cell_measurement_theta_min      2.46
_cell_volume                     4735(5)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_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      273(2)
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.984
_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  0.0484
_diffrn_reflns_av_sigmaI/netI    0.0463
_diffrn_reflns_limit_h_max       29
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       29
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            27943
_diffrn_reflns_theta_full        27.56
_diffrn_reflns_theta_max         27.56
_diffrn_reflns_theta_min         1.25
_exptl_absorpt_coefficient_mu    5.667
_exptl_absorpt_correction_type   none
_exptl_crystal_density_diffrn    1.744
_exptl_crystal_density_meas      0
_exptl_crystal_F_000             2416
_refine_diff_density_max         1.087
_refine_diff_density_min         -0.339
_refine_diff_density_rms         0.089
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.001(11)
_refine_ls_extinction_coef       0.00000(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     308
_refine_ls_number_reflns         5315
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.0477
_refine_ls_R_factor_gt           0.0366
_refine_ls_shift/su_max          6.909
_refine_ls_shift/su_mean         0.023
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0136P)^2^+5.1235P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0644
_refine_ls_wR_factor_ref         0.0675
_reflns_number_gt                4545
_reflns_number_total             5315
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja034537zsi20030403_065711.cif
_cod_data_source_block           m1m
_cod_database_code               4113820