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_7104738
_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            'C79 H167 K2 O12 Si16 Ti2'
_chemical_formula_weight         1932.57
_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                74.40(3)
_cell_angle_beta                 79.95(3)
_cell_angle_gamma                89.22(3)
_cell_formula_units_Z            2
_cell_length_a                   13.606(3)
_cell_length_b                   19.608(4)
_cell_length_c                   21.586(4)
_cell_measurement_reflns_used    4079
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      47.795
_cell_measurement_theta_min      4.523
_cell_volume                     5458.0(19)
_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 0.991
_diffrn_measured_fraction_theta_max 0.991
_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  0.0000
_diffrn_reflns_av_sigmaI/netI    0.1157
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            19068
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.25
_exptl_absorpt_coefficient_mu    0.446
_exptl_absorpt_correction_T_max  0.9240
_exptl_absorpt_correction_T_min  0.8703
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.176
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needles
_exptl_crystal_F_000             2086
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.18
_refine_diff_density_max         2.117
_refine_diff_density_min         -0.416
_refine_diff_density_rms         0.093
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.020
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1012
_refine_ls_number_reflns         19068
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.020
_refine_ls_R_factor_all          0.1198
_refine_ls_R_factor_gt           0.0748
_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^)+(0.0795P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1600
_refine_ls_wR_factor_ref         0.1780
_reflns_number_gt                12423
_reflns_number_total             19068
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b910637e.txt
_cod_data_source_block           561j
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7104738