Emissive Osmium(II) Complexes Supported by N-Heterocyclic Carbene-based C^C^C-Pincer Ligands and Aromatic Diimines
Lai-Hon Chung; Siu-Chung Chan; Wing-Chun Lee; Chun-Yuen Wong; Inorganic Chemistry 51 (2012) 8693–8703; doi:10.1021/ic202726g

data_4329991
_publ_section_title
;
 Emissive Osmium(II) Complexes Supported by N-Heterocyclic Carbene-based
 C^C^C-Pincer Ligands and Aromatic Diimines
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              8693
_journal_page_last               8703
_journal_paper_doi               10.1021/ic202726g
_journal_volume                  51
_journal_year                    2012
_chemical_formula_sum            'C25 H21 F6 N6 O Os P'
_chemical_formula_weight         756.65
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_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            4
_cell_length_a                   27.2252(5)
_cell_length_b                   11.5920(2)
_cell_length_c                   8.1745(2)
_cell_measurement_reflns_used    8588
_cell_measurement_temperature    133(2)
_cell_measurement_theta_max      71.5280
_cell_measurement_theta_min      3.2439
_cell_volume                     2579.83(9)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      133(2)
_diffrn_measured_fraction_theta_full 0.973
_diffrn_measured_fraction_theta_max 0.974
_diffrn_measurement_device_type  'Xcalibur, Sapphire3, Gemini ultra'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0294
_diffrn_reflns_av_sigmaI/netI    0.0207
_diffrn_reflns_limit_h_max       33
_diffrn_reflns_limit_h_min       -33
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -7
_diffrn_reflns_number            13164
_diffrn_reflns_theta_full        71.66
_diffrn_reflns_theta_max         71.66
_diffrn_reflns_theta_min         3.25
_exptl_absorpt_coefficient_mu    10.616
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.16059
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'CrysAlisPro, Agilent Technologies,Version 1.171.35.11'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.948
_exptl_crystal_description       block
_exptl_crystal_F_000             1464
_exptl_crystal_size_max          0.70
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.03
_refine_diff_density_max         1.543
_refine_diff_density_min         -1.391
_refine_diff_density_rms         0.112
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.019(13)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.108
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     363
_refine_ls_number_reflns         4158
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.108
_refine_ls_R_factor_all          0.0302
_refine_ls_R_factor_gt           0.0297
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0382P)^2^+8.5349P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0773
_refine_ls_wR_factor_ref         0.0776
_reflns_number_gt                4080
_reflns_number_total             4158
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic202726g_si_002_1.cif
_cod_data_source_block           Complex_1a
_cod_database_code               4329991