Oligosilylated group 4 titanocenes in the oxidation state +3.
Zirngast, Michaela; Flörke, Ulrich; Baumgartner, Judith; Marschner, Christoph; Chemical communications (Cambridge, England) 34 (2009) 5538–5540; doi:10.1039/b910637e

data_7104739
_publ_section_title
;
 Oligosilylated group 4 titanocenes in the oxidation state +3.
;
_journal_issue                   37
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              5538
_journal_page_last               5540
_journal_paper_doi               10.1039/b910637e
_journal_volume                  34
_journal_year                    2009
_chemical_formula_sum            'C190 H349 K6 O36 Si24 Ti3'
_chemical_formula_weight         4262.15
_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                 106.02(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   25.623(5)
_cell_length_b                   24.455(5)
_cell_length_c                   40.583(8)
_cell_measurement_reflns_used    8054
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      50.365
_cell_measurement_theta_min      4.390
_cell_volume                     24443(8)
_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 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'SMART APEX'
_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  0.0898
_diffrn_reflns_av_sigmaI/netI    0.0801
_diffrn_reflns_limit_h_max       29
_diffrn_reflns_limit_h_min       -29
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       46
_diffrn_reflns_limit_l_min       -46
_diffrn_reflns_number            80407
_diffrn_reflns_theta_full        24.00
_diffrn_reflns_theta_max         24.00
_diffrn_reflns_theta_min         1.04
_exptl_absorpt_coefficient_mu    0.375
_exptl_absorpt_correction_T_max  0.9288
_exptl_absorpt_correction_T_min  0.8738
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            turquoise
_exptl_crystal_density_diffrn    1.158
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       blocks
_exptl_crystal_F_000             9172
_exptl_crystal_size_max          0.37
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         2.105
_refine_diff_density_min         -1.192
_refine_diff_density_rms         0.132
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.023
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1160
_refine_ls_number_reflns         19181
_refine_ls_number_restraints     37
_refine_ls_restrained_S_all      1.035
_refine_ls_R_factor_all          0.1642
_refine_ls_R_factor_gt           0.1229
_refine_ls_shift/su_max          0.113
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1487P)^2^+438.7067P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2990
_refine_ls_wR_factor_ref         0.3331
_reflns_number_gt                12932
_reflns_number_total             19181
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b910637e.txt
_cod_data_source_block           569j
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7104739