Cleavage oftert-Butyl Groups from the Tri-tert-butylphosphine Ligand in Osmium−Platinum Carbonyl Cluster Complexes
Adams, Richard D.; Boswell, Erin; Organometallics 27 (2008) 2021–; doi:10.1021/om8000422

data_4071232
_publ_section_title
;
 Cleavage oftert-Butyl Groups from the Tri-tert-butylphosphine Ligand in
 Osmium&#x2212;Platinum Carbonyl Cluster Complexes
;
_journal_issue                   9
_journal_name_full               Organometallics
_journal_page_first              2021
_journal_paper_doi               10.1021/om8000422
_journal_volume                  27
_journal_year                    2008
_chemical_formula_sum            'C28 H36 O12 Os3 P2 Pt4'
_chemical_formula_weight         1977.47
_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                 102.0950(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   33.7203(18)
_cell_length_b                   14.1815(8)
_cell_length_c                   19.7360(11)
_cell_measurement_reflns_used    3841
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      25.62
_cell_measurement_theta_min      2.34
_cell_volume                     9228.3(9)
_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_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  0.0712
_diffrn_reflns_av_sigmaI/netI    0.0602
_diffrn_reflns_limit_h_max       40
_diffrn_reflns_limit_h_min       -40
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            37455
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         1.81
_diffrn_standards_decay_%        <1
_exptl_absorpt_coefficient_mu    20.420
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.290
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            dark
_exptl_crystal_density_diffrn    2.847
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             6960
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.01
_refine_diff_density_max         1.485
_refine_diff_density_min         -0.928
_refine_diff_density_rms         0.237
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.939
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     454
_refine_ls_number_reflns         8152
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.939
_refine_ls_R_factor_all          0.0668
_refine_ls_R_factor_gt           0.0405
_refine_ls_shift/su_max          0.002
_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^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0856
_refine_ls_wR_factor_ref         0.0944
_reflns_number_gt                5713
_reflns_number_total             8152
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om8000422-file001.cif
_cod_data_source_block           c2csqz
_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.

'_exptl_absorpt_correction_type' value 'Multi-Scan'
changed to 'multi-scan' 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 
;
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               4071232