Can Related Pyridine−Alkoxide Titanium Complexes Adopt Different Geometries? A Combined Experimental and Theoretical Study
Fandos, Rosa; Gallego, Beatriz; López-Solera, María Isabel; Otero, Antonio; Rodríguez, Ana; Ruiz, María José; Terreros, Pilar; van Mourik, Tanja; Organometallics 28 (2009) 1329–; doi:10.1021/om8010239

data_4068667
_publ_section_title
;
 Can Related Pyridine&#x2212;Alkoxide Titanium Complexes Adopt Different
 Geometries? A Combined Experimental and Theoretical Study
;
_journal_issue                   5
_journal_name_full               Organometallics
_journal_page_first              1329
_journal_paper_doi               10.1021/om8010239
_journal_volume                  28
_journal_year                    2009
_chemical_formula_sum            'C24 H30 N2 O4 Ti'
_chemical_formula_weight         458.40
_chemical_name_systematic
;
 ?
;
_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                 94.423(11)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.834(5)
_cell_length_b                   12.959(7)
_cell_length_c                   21.517(12)
_cell_measurement_temperature    180(2)
_cell_volume                     2178(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      180(2)
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'omega and phi 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  0.1192
_diffrn_reflns_av_sigmaI/netI    0.3146
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            7463
_diffrn_reflns_theta_full        25.04
_diffrn_reflns_theta_max         25.04
_diffrn_reflns_theta_min         1.84
_exptl_absorpt_coefficient_mu    0.427
_exptl_absorpt_correction_T_max  0.812
_exptl_absorpt_correction_T_min  0.732
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.398
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             968
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.13
_refine_diff_density_max         1.348
_refine_diff_density_min         -0.462
_refine_diff_density_rms         0.133
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.880
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     281
_refine_ls_number_reflns         3793
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.880
_refine_ls_R_factor_all          0.2015
_refine_ls_R_factor_gt           0.1084
_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^)+(0.0818P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2244
_refine_ls_wR_factor_ref         0.2549
_reflns_number_gt                1437
_reflns_number_total             3793
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om8010239_si_002.cif
_cod_data_source_block           3
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               4068667