Selective Hydrosilylation of 1,3-Diynes Catalyzed by Titania-Supported Platinum
Alonso, Francisco; Buitrago, Robison; Moglie, Yanina; Sepúlveda-Escribano, Antonio; Yus, Miguel; Organometallics 31 (2012) 2336–; doi:10.1021/om201274v

data_4076508
_publ_section_title
;
 Selective Hydrosilylation of 1,3-Diynes Catalyzed by Titania-Supported
 Platinum
;
_journal_issue                   6
_journal_name_full               Organometallics
_journal_page_first              2336
_journal_paper_doi               10.1021/om201274v
_journal_volume                  31
_journal_year                    2012
_chemical_formula_moiety         'C34 H26 Si'
_chemical_formula_sum            'C34 H26 Si'
_chemical_formula_weight         462.64
_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                92.218(3)
_cell_angle_beta                 93.955(3)
_cell_angle_gamma                113.068(3)
_cell_formula_units_Z            2
_cell_length_a                   7.5995(11)
_cell_length_b                   9.4638(14)
_cell_length_c                   20.008(3)
_cell_measurement_reflns_used    1513
_cell_measurement_temperature    298(1)
_cell_measurement_theta_max      20.9
_cell_measurement_theta_min      2.35
_cell_volume                     1317.4(3)
_computing_cell_refinement       'Bruker SMART V5.625'
_computing_data_collection       'Bruker SMART V5.625'
_computing_data_reduction        'Bruker SAINT V6.28A'
_computing_molecular_graphics    'SHELXTL  Rel. 6.12/V (Siemens, 1996)'
_computing_publication_material  'SHELX-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(1)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and 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  0.0357
_diffrn_reflns_av_sigmaI/netI    0.0542
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            11119
_diffrn_reflns_theta_full        25.06
_diffrn_reflns_theta_max         25.06
_diffrn_reflns_theta_min         2.05
_exptl_absorpt_coefficient_mu    0.109
_exptl_absorpt_correction_T_max  0.9935
_exptl_absorpt_correction_T_min  0.9338
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker/Siemens SADABS V2.03'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.166
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             488
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.213
_refine_diff_density_min         -0.172
_refine_diff_density_rms         0.032
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.014
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     316
_refine_ls_number_reflns         4636
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.014
_refine_ls_R_factor_all          0.0843
_refine_ls_R_factor_gt           0.0488
_refine_ls_shift/su_max          0.012
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0598P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1120
_refine_ls_wR_factor_ref         0.1270
_reflns_number_gt                3075
_reflns_number_total             4636
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            om201274v_si_003.cif
_cod_data_source_block           3ab
_cod_database_code               4076508