1,1-Olefin-bridged bis-(2-indenyl) metallocenes of titanium and zirconium.
Morton, Jason G. M.; Al-Shammari, Haif; Sun, Yunshan; Zhu, Jiangtao; Stephan, Douglas W.; Dalton transactions (Cambridge, England : 2003) 43 (2014) 13219–13231; doi:10.1039/c4dt01583e

data_7032321
_publ_section_title
;
 1,1-Olefin-bridged bis-(2-indenyl) metallocenes of titanium and
 zirconium.
;
_journal_issue                   35
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              13219
_journal_page_last               13231
_journal_paper_doi               10.1039/c4dt01583e
_journal_volume                  43
_journal_year                    2014
_chemical_formula_sum            'C108 H70 Cl8 Ti3'
_chemical_formula_weight         1794.94
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 96.08(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   20.627(5)
_cell_length_b                   15.990(5)
_cell_length_c                   25.582(7)
_cell_measurement_temperature    150(2)
_cell_volume                     8390(4)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_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      150(2)
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_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  0.1308
_diffrn_reflns_av_sigmaI/netI    0.1112
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            64896
_diffrn_reflns_theta_full        27.76
_diffrn_reflns_theta_max         27.76
_diffrn_reflns_theta_min         1.61
_exptl_absorpt_coefficient_mu    0.586
_exptl_absorpt_correction_T_max  0.9546
_exptl_absorpt_correction_T_min  0.9173
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            purple
_exptl_crystal_density_diffrn    1.421
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       blocks
_exptl_crystal_F_000             3680
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.678
_refine_diff_density_min         -0.577
_refine_diff_density_rms         0.096
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.728
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     517
_refine_ls_number_reflns         9744
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.728
_refine_ls_R_factor_all          0.1229
_refine_ls_R_factor_gt           0.0574
_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^)+(0.1855P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1607
_refine_ls_wR_factor_ref         0.2183
_reflns_number_gt                5374
_reflns_number_total             9744
_reflns_threshold_expression     >2sigma(I)
_cod_duplicate_entry             7031817
_cod_data_source_file            c4dt01583e1.cif
_cod_data_source_block           t1_compound_9a
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7032321