Synthesis of Trinuclear Osmium Polyhydrido Clusters [{(C5Me5)Os}3(μ-H)6]+and {(C5Me5)Os}3(μ-H)3(μ3-H)2and Comparison with the Ruthenium Analogues
Kameo, Hajime; Suzuki, Hiroharu; Organometallics 27 (2008) 4248–; doi:10.1021/om8003866

data_4071790
_publ_section_title
;
 Synthesis of Trinuclear Osmium Polyhydrido Clusters
 [{(C5Me5)Os}3(\m-H)6]+and {(C5Me5)Os}3(\m-H)3(\m3-H)2and Comparison with
 the Ruthenium Analogues
;
_journal_issue                   16
_journal_name_full               Organometallics
_journal_page_first              4248
_journal_paper_doi               10.1021/om8003866
_journal_volume                  27
_journal_year                    2008
_chemical_formula_sum            'C54 H71 B Os3'
_chemical_formula_weight         1301.52
_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                 103.1030(11)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.8668(7)
_cell_length_b                   14.1879(5)
_cell_length_c                   20.5803(8)
_cell_measurement_reflns_used    42249
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      3.05
_cell_volume                     4796.7(3)
_computing_cell_refinement       'PROCESS-AUTO (T.Higashi, 1998)'
_computing_data_collection       'PROCESS-AUTO (T.Higashi, 1998)'
_computing_data_reduction        'PROCESS-AUTO (T.Higashi, 1998)'
_computing_molecular_graphics    'ORTEX (P.McArdle, 1995)'
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      153(2)
_diffrn_detector_area_resol_mean 100
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Rigaku R-AXIS RAPID Imaging Plate'
_diffrn_measurement_method       'oscillation photograph'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Rigaku Rotating Anode ultraX18'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0552
_diffrn_reflns_av_sigmaI/netI    0.0517
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            42249
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.05
_exptl_absorpt_coefficient_mu    7.961
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.4572
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'NUMABS (T.Higashi, 1999)'
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.802
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2512
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.150
_exptl_crystal_size_min          0.100
_refine_diff_density_max         2.869
_refine_diff_density_min         -1.390
_refine_diff_density_rms         0.177
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    ref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     538
_refine_ls_number_reflns         10954
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0364
_refine_ls_R_factor_gt           0.0309
_refine_ls_shift/su_max          0.007
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0422P)^2^+2.7197P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0762
_refine_ls_wR_factor_ref         0.0791
_reflns_number_gt                9698
_reflns_number_total             11409
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om8003866-file002.cif
_cod_data_source_block           6-BPh4
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               4071790