Synthesis, Reactivity, and Computational Studies of [η5-C5H5-(η5-C5H4CMe2C6H4Me)TiMe]+: Aromatic C−H Bond Activation at −50 °C§
Sassmannshausen, Jörg; Baumgartner, Judith; Organometallics 27 (2008) 1996–; doi:10.1021/om8000394

data_4071223
_publ_section_title
;
 Synthesis, Reactivity, and Computational Studies of
 [\h5-C5H5-(\h5-C5H4CMe2C6H4Me)TiMe]+: Aromatic C&#x2212;H Bond Activation
 at &#x2212;50 \%C&#x00A7;
;
_journal_issue                   9
_journal_name_full               Organometallics
_journal_page_first              1996
_journal_paper_doi               10.1021/om8000394
_journal_volume                  27
_journal_year                    2008
_chemical_formula_sum            'C20 H22 Cl2 Ti'
_chemical_formula_weight         381.18
_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                 93.12(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.6105(13)
_cell_length_b                   21.534(4)
_cell_length_c                   12.248(2)
_cell_measurement_temperature    100(2)
_cell_volume                     1740.9(6)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '\w 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  0.1533
_diffrn_reflns_av_sigmaI/netI    0.1294
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            10986
_diffrn_reflns_theta_full        24.00
_diffrn_reflns_theta_max         24.00
_diffrn_reflns_theta_min         1.91
_exptl_absorpt_coefficient_mu    0.795
_exptl_absorpt_correction_T_max  0.8701
_exptl_absorpt_correction_T_min  0.7629
_exptl_absorpt_correction_type   SADABS
_exptl_absorpt_process_details   XPREP
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.454
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needles
_exptl_crystal_F_000             792
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.18
_refine_diff_density_max         1.008
_refine_diff_density_min         -0.703
_refine_diff_density_rms         0.128
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.111
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     211
_refine_ls_number_reflns         2722
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.111
_refine_ls_R_factor_all          0.1329
_refine_ls_R_factor_gt           0.0959
_refine_ls_shift/su_max          0.017
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0864P)^2^+4.3375P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1990
_refine_ls_wR_factor_ref         0.2201
_reflns_number_gt                1970
_reflns_number_total             2722
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om8000394-file004.cif
_cod_data_source_block           462j
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4071223