Synthesis, characterization and reactivity of new complexes of titanium and zirconium containing a potential tridentate amidinato-cyclopentadienyl ligand.
Bertolasi, Valerio; Boaretto, Rita; Chierotti, Michele R.; Gobetto, Roberto; Sostero, Silvana; Dalton transactions (Cambridge, England : 2003)  (2007) 5179–5189; doi:10.1039/b709923a

data_7006198
_publ_section_title
;
 Synthesis, characterization and reactivity of new complexes of
 titanium and zirconium containing a potential tridentate
 amidinato-cyclopentadienyl ligand.
;
_journal_issue                   44
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              5179
_journal_page_last               5189
_journal_paper_doi               10.1039/b709923a
_journal_year                    2007
_chemical_formula_moiety         'C19 H33 N5 Si Ti'
_chemical_formula_sum            'C19 H33 N5 Si Ti'
_chemical_formula_weight         407.49
_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                 100.036(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.6330(2)
_cell_length_b                   12.8584(2)
_cell_length_c                   19.4243(5)
_cell_measurement_reflns_used    21119
_cell_measurement_temperature    150
_cell_measurement_theta_max      30.0
_cell_measurement_theta_min      2.45
_cell_volume                     2123.23(8)
_computing_cell_refinement       'Denzo SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Nonius, 1997)'
_computing_data_reduction        'Denzo SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'ORTEP III (Burnett & Johnson, 1996)'
_computing_publication_material
;
SHELXL-97 (Sheldrick, 1997), PARST (Nardelli, 1995)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Altomare et al., 1999)'
_diffrn_ambient_temperature      150
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Nonius Kappa CCD'
_diffrn_measurement_method       '\f scans and \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  0.0546
_diffrn_reflns_av_sigmaI/netI    0.0589
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            22056
_diffrn_reflns_theta_full        30.02
_diffrn_reflns_theta_max         30.0
_diffrn_reflns_theta_min         2.45
_exptl_absorpt_coefficient_mu    0.472
_exptl_absorpt_correction_T_max  0.977
_exptl_absorpt_correction_T_min  0.845
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
SORTAV (R. H. Blessing, Acta Crystallogr., 1995, A51,33)
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.275
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             872
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.461
_refine_diff_density_min         -0.454
_refine_diff_density_rms         0.063
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     245
_refine_ls_number_reflns         6186
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.0715
_refine_ls_R_factor_gt           0.0415
_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^)+(0.0548P)^2^+0.4340P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1041
_refine_ls_wR_factor_ref         0.1153
_reflns_number_gt                4300
_reflns_number_total             6186
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            b709923a.txt
_cod_data_source_block           (2c)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7006198