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_4338574
_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            'C26 H34 N4 O4'
_chemical_formula_weight         466.57
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                75.467(15)
_cell_angle_beta                 82.452(15)
_cell_angle_gamma                77.829(15)
_cell_formula_units_Z            2
_cell_length_a                   6.928(6)
_cell_length_b                   10.730(9)
_cell_length_c                   18.516(15)
_cell_measurement_temperature    250(2)
_cell_volume                     1298.0(19)
_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      250(2)
_diffrn_measured_fraction_theta_full 0.899
_diffrn_measured_fraction_theta_max 0.899
_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  0.0260
_diffrn_reflns_av_sigmaI/netI    0.0403
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            4902
_diffrn_reflns_theta_full        21.18
_diffrn_reflns_theta_max         21.18
_diffrn_reflns_theta_min         2.00
_exptl_absorpt_coefficient_mu    0.081
_exptl_absorpt_correction_T_max  1
_exptl_absorpt_correction_T_min  0.529695
_exptl_absorpt_correction_type   Semi-empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.194
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             500
_exptl_crystal_size_max          0.591
_exptl_crystal_size_mid          0.199
_exptl_crystal_size_min          0.185
_refine_diff_density_max         0.166
_refine_diff_density_min         -0.152
_refine_diff_density_rms         0.034
_refine_ls_extinction_coef       0.013(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.062
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     316
_refine_ls_number_reflns         2555
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.062
_refine_ls_R_factor_all          0.0681
_refine_ls_R_factor_gt           0.0485
_refine_ls_shift/su_max          0.007
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0790P)^2^+0.0140P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1246
_refine_ls_wR_factor_ref         0.1392
_reflns_number_gt                1884
_reflns_number_total             2555
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic900352e_si_001.cif
_cod_data_source_block           5
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_cell_volume        1298.1(18)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4338574