Metal-Only Lewis Pairs Based on Zerovalent Osmium
Bissert, Robin; Braunschweig, Holger; Dewhurst, Rian D.; Schneider, Christoph; Organometallics 35 (2016) 2567–; doi:10.1021/acs.organomet.6b00495

data_4088852
_publ_section_title
;
 Metal-Only Lewis Pairs Based on Zerovalent Osmium
;
_journal_issue                   15
_journal_name_full               Organometallics
_journal_page_first              2567
_journal_paper_doi               10.1021/acs.organomet.6b00495
_journal_volume                  35
_journal_year                    2016
_chemical_formula_moiety         'C25 H24 N2 O4 Os'
_chemical_formula_sum            'C25 H24 N2 O4 Os'
_chemical_formula_weight         606.66
_space_group_crystal_system      orthorhombic
_space_group_IT_number           62
_space_group_name_Hall           '-P 2ac 2n'
_space_group_name_H-M_alt        'P n m a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_secondary   iterative
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   15.8145(9)
_cell_length_b                   19.413(8)
_cell_length_c                   7.594(10)
_cell_measurement_reflns_used    9827
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.76
_cell_measurement_theta_min      2.78
_cell_volume                     2331(3)
_computing_cell_refinement       'Saint+ ver. V8.34A (Bruker AXS)'
_computing_data_collection       'APEX2 ver. 2014.9 (Bruker AXS)'
_computing_data_reduction        'Saint+ ver. V8.34A (Bruker AXS)'
_computing_molecular_graphics    'ShelXLe (Huebschle et all, 2011)'
_computing_publication_material  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXT (Sheldrick, 2012)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'CMOS area detector (Photon 100)'
_diffrn_detector_area_resol_mean 8.333
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker D8 Quest'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0266
_diffrn_reflns_av_unetI/netI     0.0105
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            39347
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        26.000
_diffrn_reflns_theta_max         26.757
_diffrn_reflns_theta_min         2.576
_diffrn_source                   'microfocus sealed tube (Incoatec ImS)'
_exptl_absorpt_coefficient_mu    5.502
_exptl_absorpt_correction_T_max  0.7454
_exptl_absorpt_correction_T_min  0.5537
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SadAbs 2014/5 (Bruker AXS)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.728
_exptl_crystal_description       block
_exptl_crystal_F_000             1184
_exptl_crystal_size_max          0.201
_exptl_crystal_size_mid          0.147
_exptl_crystal_size_min          0.133
_refine_diff_density_max         1.392
_refine_diff_density_min         -0.815
_refine_diff_density_rms         0.076
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.111
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     157
_refine_ls_number_reflns         2559
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.111
_refine_ls_R_factor_all          0.0156
_refine_ls_R_factor_gt           0.0138
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0139P)^2^+2.8893P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0320
_refine_ls_wR_factor_ref         0.0329
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2414
_reflns_number_total             2559
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            om6b00495_si_002.cif
_cod_data_source_block           1b
_cod_original_cell_volume        2332(3)
_cod_database_code               4088852
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.404
_shelx_estimated_absorpt_t_max   0.528
_shelx_res_checksum              4717