Osmium(II)‒Bis(dihydrogen) Complexes ContainingCaryl,CNHC‒Chelate Ligands: Preparation, Bonding Situation, and Acidity
Bolaño, Tamara; Esteruelas, Miguel A.; Fernández, Israel; Oñate, Enrique; Palacios, Adrián; Tsai, Jui-Yi; Xia, Chuanjun; Organometallics 34 (2015) 778–; doi:10.1021/om501275c

data_4085585
_publ_section_title
;
 Osmium(II)--Bis(dihydrogen) Complexes ContainingCaryl,CNHC--Chelate
 Ligands: Preparation, Bonding Situation, and Acidity
;
_journal_issue                   4
_journal_name_full               Organometallics
_journal_page_first              778
_journal_paper_doi               10.1021/om501275c
_journal_volume                  34
_journal_year                    2015
_chemical_formula_sum            'C45 H40 N2 O2 Os P2'
_chemical_formula_weight         892.93
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 90.4110(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.0601(4)
_cell_length_b                   18.5522(8)
_cell_length_c                   19.7318(9)
_cell_measurement_reflns_used    9926
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28
_cell_measurement_theta_min      2
_cell_volume                     3682.6(3)
_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 8.26
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.940
_diffrn_measurement_device_type  'Bruker APEX DUO 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  0.0501
_diffrn_reflns_av_sigmaI/netI    0.0420
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            44276
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         28.60
_diffrn_reflns_theta_min         1.51
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    3.592
_exptl_absorpt_correction_T_max  0.862
_exptl_absorpt_correction_T_min  0.741
_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    1.611
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'irregular block'
_exptl_crystal_F_000             1784
_exptl_crystal_size_max          0.13
_exptl_crystal_size_mid          0.03
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.822
_refine_diff_density_min         -1.092
_refine_diff_density_rms         0.119
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.108
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     478
_refine_ls_number_reflns         8865
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.108
_refine_ls_R_factor_all          0.0449
_refine_ls_R_factor_gt           0.0336
_refine_ls_shift/su_max          0.012
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0135P)^2^+5.1454P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0560
_refine_ls_wR_factor_ref         0.0597
_reflns_number_gt                7623
_reflns_number_total             8865
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om501275c_si_001.cif
_cod_data_source_block           10a-enrique160
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               4085585
_shelx_f_squared_multiplier      1.000