Steric Effects in Reactions of Decamethyltitanocene Hydride with Internal Alkynes, Conjugated Diynes, and Conjugated Dienes
Pinkas, Jiří; Gyepes, Róbert; Císařová, Ivana; Kubišta, Jiří; Horáček, Michal; Mach, Karel; Organometallics  (2014) 140702161538000–; doi:10.1021/om500296h

data_4083879
_publ_section_title
;
 Steric Effects in Reactions of Decamethyltitanocene Hydride with
 Internal Alkynes, Conjugated Diynes, and Conjugated Dienes
;
_journal_name_full               Organometallics
_journal_page_first              140702161538000
_journal_paper_doi               10.1021/om500296h
_journal_year                    2014
_chemical_formula_moiety         'C30 H49 Si2 Ti'
_chemical_formula_sum            'C30 H49 Si2 Ti'
_chemical_formula_weight         513.77
_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                88.7510(10)
_cell_angle_beta                 81.8360(10)
_cell_angle_gamma                82.2260(10)
_cell_formula_units_Z            2
_cell_length_a                   9.1724(2)
_cell_length_b                   11.2649(3)
_cell_length_c                   14.9968(3)
_cell_measurement_reflns_used    9027
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.02
_cell_measurement_theta_min      2.477
_cell_volume                     1519.76(6)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(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  0.0272
_diffrn_reflns_av_sigmaI/netI    0.0315
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            22784
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         1.82
_exptl_absorpt_coefficient_mu    0.376
_exptl_absorpt_correction_T_max  0.9112
_exptl_absorpt_correction_T_min  0.8211
_exptl_absorpt_correction_type   analytical
_exptl_crystal_colour            brown-red
_exptl_crystal_density_diffrn    1.123
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             558
_exptl_crystal_size_max          0.55
_exptl_crystal_size_mid          0.31
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.353
_refine_diff_density_min         -0.314
_refine_diff_density_rms         0.050
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.034
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     318
_refine_ls_number_reflns         6624
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.034
_refine_ls_R_factor_all          0.0511
_refine_ls_R_factor_gt           0.0355
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0410P)^2^+0.6854P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0819
_refine_ls_wR_factor_ref         0.0889
_reflns_number_gt                5391
_reflns_number_total             6624
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om500296h_si_001.cif
_cod_data_source_block           5a
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4083879