cis-Dicyanoosmium(II) diimine complexes bearing phosphine or sulfoxide ligands: spectroscopic and luminescent studies.
Lai, Siu-Wai; Chan, Queenie K.-W.; Zhu, Nianyong; Che, Chi-Ming; Inorganic chemistry 46 (2007) 11003–11016; doi:10.1021/ic070290l

data_4339158
_publ_section_title
;
 cis-Dicyanoosmium(II) diimine complexes bearing phosphine or sulfoxide
 ligands: spectroscopic and luminescent studies.
;
_journal_issue                   26
_journal_name_full               'Inorganic chemistry'
_journal_page_first              11003
_journal_page_last               11016
_journal_paper_doi               10.1021/ic070290l
_journal_volume                  46
_journal_year                    2007
_chemical_formula_moiety         'C52 H42 Cl4 N4 Os P2'
_chemical_formula_sum            'C52 H42 Cl4 N4 Os P2'
_chemical_formula_weight         1116.84
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 113.88(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   20.479(4)
_cell_length_b                   10.639(2)
_cell_length_c                   23.738(5)
_cell_measurement_reflns_used    0
_cell_measurement_temperature    253(2)
_cell_measurement_theta_max      0
_cell_measurement_theta_min      0
_cell_volume                     4729(2)
_computing_cell_refinement       scalepack
_computing_data_collection       marcontrol
_computing_data_reduction        denzo
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    SIR-97
_diffrn_ambient_temperature      253(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'marresearch IPDS mar300'
_diffrn_measurement_method       oscillation
_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  0.0501
_diffrn_reflns_av_sigmaI/netI    0.0554
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            15882
_diffrn_reflns_theta_full        25.61
_diffrn_reflns_theta_max         25.61
_diffrn_reflns_theta_min         1.88
_exptl_absorpt_coefficient_mu    3.031
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.569
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2224
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.600
_refine_diff_density_min         -1.176
_refine_diff_density_rms         0.178
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.146
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     285
_refine_ls_number_reflns         4413
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.146
_refine_ls_R_factor_all          0.0353
_refine_ls_R_factor_gt           0.0303
_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^)+(0.0000P)^2^+18.4646P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0811
_refine_ls_wR_factor_ref         0.0825
_reflns_number_gt                3949
_reflns_number_total             4413
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic070290l-file001.cif
_cod_data_source_block           mar1580_Cpd2c
_cod_original_cell_volume        4729.2(16)
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4339158