On the Search for NNO-Donor Enantiopure Scorpionate Ligands and Their Coordination to Group 4 Metals
Otero, Antonio; Fernández-Baeza, Juan; Tejeda, Juan; Lara-Sánchez, Agustín; Sánchez-Molina, Margarita; Franco, Sonia; López-Solera, Isabel; Rodríguez, Ana M; Sánchez-Barba, Luis F; Morante-Zarcero, Sonia; Garcés, Andrés; Inorganic chemistry 48 (2009) 5540–5554; doi:10.1021/ic900352e

data_4338576
_publ_section_title
;
 On the Search for NNO-Donor Enantiopure Scorpionate Ligands and Their
 Coordination to Group 4 Metals
;
_journal_coden_ASTM              INOCAJ
_journal_issue                   12
_journal_name_full               'Inorganic chemistry'
_journal_page_first              5540
_journal_page_last               5554
_journal_paper_doi               10.1021/ic900352e
_journal_volume                  48
_journal_year                    2009
_chemical_formula_sum            'C22 H43 N7 O Ti'
_chemical_formula_weight         469.17
_space_group_IT_number           15
_symmetry_cell_setting           orthorhombic
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            12
_cell_length_a                   41.661(10)
_cell_length_b                   16.856(4)
_cell_length_c                   11.276(3)
_cell_measurement_reflns_used    863
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      15.031
_cell_measurement_theta_min      2.227
_cell_volume                     7918(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       '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  0.1291
_diffrn_reflns_av_sigmaI/netI    0.1814
_diffrn_reflns_limit_h_max       49
_diffrn_reflns_limit_h_min       -52
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            28330
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         1.81
_exptl_absorpt_coefficient_mu    0.350
_exptl_absorpt_correction_T_max  0.9625
_exptl_absorpt_correction_T_min  0.8993
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.181
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3044
_exptl_crystal_size_max          0.31
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.365
_refine_diff_density_min         -0.431
_refine_diff_density_rms         0.070
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.922
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     537
_refine_ls_number_reflns         8089
_refine_ls_number_restraints     12
_refine_ls_restrained_S_all      0.921
_refine_ls_R_factor_all          0.1868
_refine_ls_R_factor_gt           0.0762
_refine_ls_shift/su_max          0.011
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0825P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1669
_refine_ls_wR_factor_ref         0.2177
_reflns_number_gt                3397
_reflns_number_total             8089
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic900352e_si_001.cif
_cod_data_source_block           7
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               4338576