CCC‒Pincer‒NHC Osmium Complexes: New Types of Blue-Green Emissive Neutral Compounds for Organic Light-Emitting Devices (OLEDs)
Alabau, Roberto G.; Eguillor, Beatriz; Esler, Jim; Esteruelas, Miguel A.; Oliván, Montserrat; Oñate, Enrique; Tsai, Jui-Yi; Xia, Chuanjun; Organometallics 33 (2014) 5582–; doi:10.1021/om500905t

data_4084736
_publ_section_title
;
 CCC--Pincer--NHC Osmium Complexes: New Types of Blue-Green Emissive
 Neutral Compounds for Organic Light-Emitting Devices (OLEDs)
;
_journal_issue                   19
_journal_name_full               Organometallics
_journal_page_first              5582
_journal_paper_doi               10.1021/om500905t
_journal_volume                  33
_journal_year                    2014
_chemical_formula_sum            'C47.75 H43 N8 Os'
_chemical_formula_weight         919.10
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_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                 107.190(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   21.403(2)
_cell_length_b                   17.8070(19)
_cell_length_c                   22.402(2)
_cell_measurement_reflns_used    7588
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28
_cell_measurement_theta_min      2.2
_cell_volume                     8156.5(14)
_computing_cell_refinement       'SAINT+ v. 7.56a (Bruker AXS, 2008)'
_computing_data_collection       'apex2 v. 7.0 (Bruker AXS, 2009)'
_computing_data_reduction        'SAINT+ v. 7.56a (Bruker AXS, 2008)'
_computing_molecular_graphics    'XP, SHELXTL v. 6.14 (Bruker, 2000)'
_computing_publication_material  'XCIF, SHELXTL v. 6.14 (Bruker, 2000)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.33
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker APEX CCD system'
_diffrn_measurement_method       '\w rotations with narrow frames'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0962
_diffrn_reflns_av_sigmaI/netI    0.1052
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            60342
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         1.49
_exptl_absorpt_coefficient_mu    3.171
_exptl_absorpt_correction_T_max  0.862
_exptl_absorpt_correction_T_min  0.673
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Absorption correction performed with SADABS program. This is based on the
method of Blessing: Blessing, R. H., Acta Crystallogr., Sect. A 1995, 51, 33.

SADABS: Area-Detector Absorption Correction. Bruker-AXS 
within SAINT+ package, v. 6.1 (2000).
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.497
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'irregular block'
_exptl_crystal_F_000             3692
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.03
_refine_diff_density_max         1.735
_refine_diff_density_min         -2.133
_refine_diff_density_rms         0.160
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.987
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1016
_refine_ls_number_reflns         15144
_refine_ls_number_restraints     14
_refine_ls_restrained_S_all      0.988
_refine_ls_R_factor_all          0.0990
_refine_ls_R_factor_gt           0.0551
_refine_ls_shift/su_max          0.006
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0530P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1048
_refine_ls_wR_factor_ref         0.1180
_reflns_number_gt                10144
_reflns_number_total             15144
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om500905t_si_002.cif
_cod_data_source_block           10
_cod_original_cell_volume        8156.5(15)
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               4084736