Facile Activation of Hydrogen by an Unsaturated Platinum-Osmium Cluster Complex
Richard D. Adams; Burjor Captain; Lei Zhu; Journal of the American Chemical Society 129 (2007) 2454–2455; doi:10.1021/ja0688272

data_4109151
_publ_section_title
;
 Facile Activation of Hydrogen by an Unsaturated Platinum-Osmium Cluster
 Complex
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              2454
_journal_page_last               2455
_journal_paper_doi               10.1021/ja0688272
_journal_volume                  129
_journal_year                    2007
_chemical_formula_sum            'C34 H54 O10 Os3 P2'
_chemical_formula_weight         1255.31
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 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                   14.0665(4)
_cell_length_b                   15.9725(5)
_cell_length_c                   18.2569(6)
_cell_measurement_reflns_used    6608
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      21.83
_cell_measurement_theta_min      2.23
_cell_volume                     4101.9(2)
_computing_cell_refinement       'SAINT+  V6.45 (Bruker, 2003)'
_computing_data_collection       'SMART V5.632 (Bruker, 2005)'
_computing_data_reduction        'SAINT+  V6.45'
_computing_molecular_graphics    'SHELXTL V6.1 (Sheldrick, 2000)'
_computing_publication_material  'SHELXTL V6.1'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      294(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker SMART APEX CCD diffractometer'
_diffrn_measurement_method       'omega scans'
_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  0.0427
_diffrn_reflns_av_sigmaI/netI    0.0350
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            36871
_diffrn_reflns_theta_full        26.02
_diffrn_reflns_theta_max         26.02
_diffrn_reflns_theta_min         1.69
_diffrn_standards_decay_%        <1
_exptl_absorpt_coefficient_mu    9.398
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.717
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS, Bruker, 1997)'
_exptl_crystal_colour            darkred
_exptl_crystal_density_diffrn    2.033
_exptl_crystal_description       block
_exptl_crystal_F_000             2384
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.05
_refine_diff_density_max         2.137
_refine_diff_density_min         -0.485
_refine_diff_density_rms         0.177
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.00
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.059
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     458
_refine_ls_number_reflns         8098
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.060
_refine_ls_R_factor_all          0.0510
_refine_ls_R_factor_gt           0.0410
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0557P)^2^+0.6742P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0936
_refine_ls_wR_factor_ref         0.0991
_reflns_number_gt                6981
_reflns_number_total             8098
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja0688272si20061210_054646.cif
_cod_data_source_block           zlp21
_cod_database_code               4109151