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_4071231
_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            'C31 H50 O7 Os3 P2 Pt'
_chemical_formula_weight         1362.34
_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                 96.7790(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.7017(7)
_cell_length_b                   10.4238(5)
_cell_length_c                   26.7764(14)
_cell_measurement_reflns_used    6594
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      28.22
_cell_measurement_theta_min      2.46
_cell_volume                     3797.6(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      294(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0366
_diffrn_reflns_av_sigmaI/netI    0.0308
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            39249
_diffrn_reflns_theta_full        28.30
_diffrn_reflns_theta_max         28.30
_diffrn_reflns_theta_min         1.50
_diffrn_standards_decay_%        <1
_exptl_absorpt_coefficient_mu    13.802
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.532
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            dark
_exptl_crystal_density_diffrn    2.383
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2512
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.10
_refine_diff_density_max         2.363
_refine_diff_density_min         -1.908
_refine_diff_density_rms         0.420
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.136
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     413
_refine_ls_number_reflns         9426
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.136
_refine_ls_R_factor_all          0.0395
_refine_ls_R_factor_gt           0.0317
_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^)+(0.0493P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0795
_refine_ls_wR_factor_ref         0.0870
_reflns_number_gt                8142
_reflns_number_total             9426
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om8000422-file001.cif
_cod_data_source_block           p21c
_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      P2(1)/c
_cod_database_code               4071231