New Half-Sandwich Alkyl, Aryl, Aryloxide, and Propargyloxide Titanium(IV) Complexes Containing a Cyclopentadienyl Ligand with a Pendant Ether Substituent: Behavior and Influence in the Hydroamination of Alkynes of the Ether Group
Esteruelas, Miguel A.; López, Ana M.; Mateo, A. Concepción; Oñate, Enrique; Organometallics 25 (2006) 1448–1460; doi:10.1021/om051031b

data_4074942
_publ_section_title
;
 New Half-Sandwich Alkyl, Aryl, Aryloxide, and Propargyloxide Titanium(IV)
 Complexes Containing a Cyclopentadienyl Ligand with a Pendant Ether
 Substituent: Behavior and Influence in the Hydroamination of
 Alkynes of the Ether Group
;
_journal_coden_ASTM              ORGND7
_journal_issue                   6
_journal_name_full               Organometallics
_journal_page_first              1448
_journal_page_last               1460
_journal_paper_doi               10.1021/om051031b
_journal_volume                  25
_journal_year                    2006
_chemical_formula_sum            'C26 H26 O Ti'
_chemical_formula_weight         402.37
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 93.739(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.071(2)
_cell_length_b                   9.8025(15)
_cell_length_c                   15.986(2)
_cell_measurement_reflns_used    939
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      20
_cell_measurement_theta_min      2
_cell_volume                     2043.9(5)
_computing_cell_refinement       'SAINT+ v. 6.02 (Bruker AXS, 1999)'
_computing_data_collection       'SMART v. 5.625 (Bruker AXS, 2000)'
_computing_data_reduction        'SAINT+ v. 6.02 (Bruker AXS, 1999)'
_computing_molecular_graphics    'XP, SHELXTL v. 6.1 (Bruker, 2000)'
_computing_publication_material  'XCIF, SHELXTL v. 6.1 (Bruker, 2000)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.26
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.911
_diffrn_measurement_device_type  'Bruker SMART APEX CCD system'
_diffrn_measurement_method       '\w rotations with narrow frames'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1012
_diffrn_reflns_av_sigmaI/netI    0.2108
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            13176
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         28.80
_diffrn_reflns_theta_min         1.95
_diffrn_standards_decay_%        'no decay'
_exptl_absorpt_coefficient_mu    0.432
_exptl_absorpt_correction_T_max  0.970
_exptl_absorpt_correction_T_min  0.832
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 Absorption correction performed with SADABS program. This is based on the
method of Blessing: Blessing, R. H., Acta Crystallogr., Sect. A 1995, 51, 33.
;
_exptl_crystal_colour            'light yellow'
_exptl_crystal_density_diffrn    1.308
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             848
_exptl_crystal_size_max          0.14
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.482
_refine_diff_density_min         -0.502
_refine_diff_density_rms         0.063
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.762
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     254
_refine_ls_number_reflns         4865
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.762
_refine_ls_R_factor_all          0.1635
_refine_ls_R_factor_gt           0.0544
_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^)+(0.0224P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0765
_refine_ls_wR_factor_ref         0.0973
_reflns_number_gt                1883
_reflns_number_total             4865
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om051031bsi20060118_072729.cif
_cod_data_source_block           mae131as
_cod_original_cell_volume        2044.0(5)
_cod_database_code               4074942