Crystallographic Investigation of Substituted Allyl and Titanacyclobutane Complexes of Bis(2-N,N-dialkylaminoindenyl)titanium. Structure and Reactivity as a Function of the Dialkylamino Substituents
Greidanus, Grace; McDonald, Robert; Stryker, Jeffrey M.; Organometallics 20 (2001) 2492–; doi:10.1021/om000799n

data_4077228
_publ_section_title
;
 Crystallographic Investigation of Substituted Allyl and Titanacyclobutane
 Complexes of Bis(2-N,N-dialkylaminoindenyl)titanium. Structure and
 Reactivity as a Function of the Dialkylamino Substituents
;
_journal_issue                   12
_journal_name_full               Organometallics
_journal_page_first              2492
_journal_paper_doi               10.1021/om000799n
_journal_volume                  20
_journal_year                    2001
_chemical_formula_sum            'C26 H31 N2 Ti'
_chemical_formula_weight         419.43
_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           'manual editing of SHELXL template'
_cell_angle_alpha                90.00
_cell_angle_beta                 111.707(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   28.790(4)
_cell_length_b                   8.1016(12)
_cell_length_c                   20.223(3)
_cell_measurement_reflns_used    2273
_cell_measurement_temperature    193(2)
_cell_volume                     4382.4(11)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_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      193(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0597
_diffrn_reflns_av_sigmaI/netI    0.0804
_diffrn_reflns_limit_h_max       34
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            10604
_diffrn_reflns_theta_full        25.71
_diffrn_reflns_theta_max         25.71
_diffrn_reflns_theta_min         1.52
_exptl_absorpt_coefficient_mu    0.405
_exptl_absorpt_correction_T_max  0.9280
_exptl_absorpt_correction_T_min  0.6987
_exptl_absorpt_correction_type   SADABS
_exptl_crystal_colour            'dark brown'
_exptl_crystal_density_diffrn    1.271
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1784
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.316
_refine_diff_density_min         -0.191
_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.882
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     412
_refine_ls_number_reflns         4162
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.882
_refine_ls_R_factor_all          0.0983
_refine_ls_R_factor_gt           0.0451
_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^)+(0.0433P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0866
_refine_ls_wR_factor_ref         0.0999
_reflns_number_gt                2321
_reflns_number_total             4162
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om000799n.cif
_cod_data_source_block           jms9909
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               4077228