Lithium, Titanium, and Zirconium Complexes with Novel Amidinate Scorpionate Ligands
Antonio Otero; Juan Fernández-Baeza; Antonio Antiñolo; Juan Tejeda; Agustín Lara-Sánchez; Luis F. Sánchez-Barba; Isabel López-Solera; Ana M. Rodríguez; Inorganic Chemistry 46 (2007) 1760–1770; doi:10.1021/ic062093c

data_4307620
_publ_contact_author
;                                                                               
     'Fernandez-Baeza, J.'                                     
      Departamento de Quimica Inorganica, Organica y Bioquimica
      Campus Universitario
      Universidad de Castilla-La Mancha
      13071-Ciudad Real
      Spain
;
_publ_contact_author_email       juan.fbaeza@uclm.es
_publ_contact_author_phone       '+34 926295300'
_publ_section_title
;
Lithium, Titanium, and Zirconium Complexes with Novel Amidinate Scorpionate
Ligands
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              1760
_journal_page_last               1770
_journal_paper_doi               10.1021/ic062093c
_journal_volume                  46
_journal_year                    2007
_chemical_formula_moiety         'C42 H68 Li2 N16 O2, C8 H16 O2'
_chemical_formula_sum            'C50 H84 Li2 N16 O4'
_chemical_formula_weight         987.21
_chemical_name_systematic
;
 ?
;
_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           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 102.064(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   22.883(6)
_cell_length_b                   11.983(3)
_cell_length_c                   21.052(5)
_cell_measurement_temperature    160(2)
_cell_volume                     5645(2)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX'
_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      160(2)
_diffrn_measured_fraction_theta_full 0.979
_diffrn_measured_fraction_theta_max 0.979
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'omega scan'
_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  0.0791
_diffrn_reflns_av_sigmaI/netI    0.1091
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            13916
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.93
_exptl_absorpt_coefficient_mu    0.076
_exptl_absorpt_correction_T_max  0.9947
_exptl_absorpt_correction_T_min  0.9609
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.162
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2136
_exptl_crystal_size_max          0.39
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.423
_refine_diff_density_min         -0.212
_refine_diff_density_rms         0.049
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.946
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     380
_refine_ls_number_reflns         4877
_refine_ls_number_restraints     54
_refine_ls_restrained_S_all      0.946
_refine_ls_R_factor_all          0.1550
_refine_ls_R_factor_gt           0.0710
_refine_ls_shift/su_max          0.040
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1131P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1775
_refine_ls_wR_factor_ref         0.2225
_reflns_number_gt                2259
_reflns_number_total             4877
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic062093csi20061102_124645_4.cif
_cod_data_source_block           4
_cod_database_code               4307620