Platinum Promoted Insertion of an Alkyne into a Metal-Hydrogen Bond
Richard D. Adams; Burjor Captain; Lei Zhu; Journal of the American Chemical Society 128 (2006) 13672–13673; doi:10.1021/ja0657152

data_4111018
_publ_section_title
;
 Platinum Promoted Insertion of an Alkyne into a Metal-Hydrogen Bond
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              13672
_journal_page_last               13673
_journal_paper_doi               10.1021/ja0657152
_journal_volume                  128
_journal_year                    2006
_chemical_formula_sum            'C42 H49 O4 Os P Pt Sn'
_chemical_formula_weight         1152.76
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                76.544(2)
_cell_angle_beta                 73.541(2)
_cell_angle_gamma                76.415(2)
_cell_formula_units_Z            4
_cell_length_a                   15.2610(15)
_cell_length_b                   15.4146(15)
_cell_length_c                   21.044(2)
_cell_measurement_reflns_used    8245
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      28.25
_cell_measurement_theta_min      2.19
_cell_volume                     4540.9(8)
_computing_cell_refinement       'SAINT+  V6.2 (Bruker, 2001)'
_computing_data_collection       'SMART V5.625 (Bruker, 2001)'
_computing_data_reduction        'SAINT+  V6.2'
_computing_molecular_graphics    'SHELXTL V6.1 (Sheldrick, 1997)'
_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 0.992
_diffrn_measured_fraction_theta_max 0.992
_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  0.0253
_diffrn_reflns_av_sigmaI/netI    0.0355
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            47894
_diffrn_reflns_theta_full        28.30
_diffrn_reflns_theta_max         28.30
_diffrn_reflns_theta_min         1.03
_diffrn_standards_decay_%        <1
_exptl_absorpt_coefficient_mu    6.480
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.430
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS, Bruker, 1997)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.686
_exptl_crystal_description       block
_exptl_crystal_F_000             2208
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.20
_refine_diff_density_max         3.731
_refine_diff_density_min         -1.195
_refine_diff_density_rms         0.256
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.051
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     935
_refine_ls_number_reflns         22398
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.051
_refine_ls_R_factor_all          0.0624
_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^)+(0.0815P)^2^+5.6601P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1230
_refine_ls_wR_factor_ref         0.1444
_reflns_number_gt                16059
_reflns_number_total             22398
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja0657152si20060807_034617.cif
_cod_data_source_block           p-1
_cod_original_cell_volume        4540.8(8)
_cod_database_code               4111018