Versatile Coordination of Cyclopentadienyl-Arene Ligands and Its Role in Titanium-Catalyzed Ethylene Trimerization
Edwin Otten; Aurora A. Batinas; Auke Meetsma; Bart Hessen; Journal of the American Chemical Society 131 (2009) 5298–5312; doi:10.1021/ja810089f

data_4104170
_publ_contact_author_address
;
 Crystal Structure Center, Chemical Physics,
  Zernike Institute for Advanced Materials,
  University of Groningen,
  Nijenborgh 4,
  NL-9747 AG Groningen, The Netherlands.  Crystal Structure Center,
;
_publ_contact_author_email       A.Meetsma@rug.nl
_publ_contact_author_fax         '+31 50 3634441'
_publ_contact_author_name
;
   Drs. A. Meetsma
;
_publ_contact_author_phone       '+31 50 3634368'
_publ_section_title
;
 Versatile Coordination of Cyclopentadienyl-Arene Ligands and Its Role in
 Titanium-Catalyzed Ethylene Trimerization
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              5298
_journal_page_last               5312
_journal_paper_doi               10.1021/ja810089f
_journal_volume                  131
_journal_year                    2009
_chemical_compound_source        'see text'
_chemical_formula_moiety         'C21 H33 Si Ti, C24 B F20'
_chemical_formula_sum            'C45 H33 B F20 Si Ti'
_chemical_formula_weight         1040.49
_chemical_name_systematic        ?
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     heavy
_atom_sites_solution_secondary   direct
_audit_creation_date             '2006-02-14  10:43:55'
_audit_creation_method
;
 PLATON <TABLE ACC> option    (version :: 300106)
 SHELXL97-2 & Manual Editing
;
_cell_angle_alpha                102.781(1)
_cell_angle_beta                 90.754(2)
_cell_angle_gamma                96.832(2)
_cell_formula_units_Z            2
_cell_length_a                   9.6470(8)
_cell_length_b                   12.960(1)
_cell_length_c                   17.683(2)
_cell_measurement_reflns_used    4369
_cell_measurement_temperature    100(1)
_cell_measurement_theta_max      27.54
_cell_measurement_theta_min      2.36
_cell_volume                     2139.0(3)
_computing_cell_refinement       'SAINTPLUS, Version 6.02A, (Bruker, 2000)'
_computing_data_collection       'SMART, Version 5.624, (Bruker, 2001)'
_computing_data_reduction        'XPREP, Version 5.1/NT, (Bruker, 2000)'
_computing_molecular_graphics
;
 PLUTO (Meetsma, 2005)
 PLATON (Spek, 2003)
;
_computing_publication_material  'PLATON (Spek, 2003)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution
;
 DIRDIF-99 (Beurskens et al., 1999)
;
_diffrn_ambient_temperature      100(1)
_diffrn_detector_area_resol_mean 66.05
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.980
_diffrn_measurement_device_type
;
  Bruker Smart Apex; CCD area detector
;
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_detector
;
  CCD area-detector
;
_diffrn_radiation_monochromator  'parallel mounted graphite'
_diffrn_radiation_source         'fine focus sealed Siemens Mo tube '
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0513
_diffrn_reflns_av_sigmaI/netI    0.0911
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            16765
_diffrn_reflns_reduction_process
;
 Intensity data were corrected for Lorentz and polarization
  effects, decay and absorption and reduced to F~o~^2^
  using SAINT (Bruker, 2000) and SADABS (Sheldrick, 2001)
;
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         26.02
_diffrn_reflns_theta_min         2.48
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.350
_exptl_absorpt_correction_T_max  0.9592
_exptl_absorpt_correction_T_min  0.8471
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS, Sheldrick, Bruker, 2001))'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.615
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1048
_exptl_crystal_size_max          0.31
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.907
_refine_diff_density_min         -0.402
_refine_diff_density_rms         0.079
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     745
_refine_ls_number_reflns         8230
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0967
_refine_ls_R_factor_gt           0.0559
_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^)+(0.0558P)^2^+0.0670P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1160
_refine_ls_wR_factor_ref         0.1311
_reflns_number_gt                5380
_reflns_number_total             8230
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ja810089f_si_005.cif
_cod_data_source_block           Q1085
_cod_database_code               4104170
_vrn_publ_code_void_volume       20.0
_vrn_publ_code_frame_time_sec    10.0
_vrn_publ_code_meas_time_hour    8.0