The affinity and selectivity of terdentate nitrogen ligands towards trivalent lanthanide and uranium ions viewed from the crystal structures of the 1 ∶ 3 complexes
Jean-Claude Berthet; Yannick Miquel; Peter B. Iveson; Martine Nierlich; Pierre Thuéry; Charles Madic; Michel Ephritikhine; J. Chem. Soc., Dalton Trans.  (2002) 3265–3272; doi:10.1039/b203725d

data_7011768
_publ_section_title
;
 The affinity and selectivity of terdentate nitrogen ligands towards
 trivalent lanthanide and uranium ions viewed from the crystal
 structures of the 1 &#x2236; 3 complexes
;
_journal_issue                   16
_journal_name_full               'J. Chem. Soc., Dalton Trans.'
_journal_page_first              3265
_journal_page_last               3272
_journal_paper_doi               10.1039/b203725d
_journal_year                    2002
_chemical_formula_sum            'C50 H48 F9 La N22 O9 S3'
_chemical_formula_weight         1507.19
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 104.29(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   13.337(3)
_cell_length_b                   17.283(4)
_cell_length_c                   14.449(3)
_cell_measurement_reflns_used    20084
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      25
_cell_measurement_theta_min      2
_cell_volume                     3227.5(13)
_computing_cell_refinement       'DENZO(Otwinowski& Minor,1997)'
_computing_data_collection       'DENZO(Otwinowski& Minor,1997)'
_computing_data_reduction        'DENZO(Otwinowski& Minor,1997)'
_computing_molecular_graphics    'SHELXTL (Sheldrick,1997)'
_computing_publication_material  'SHELXTL (Sheldrick,1997)'
_computing_structure_refinement  'SHELXL-93 (Sheldrick, 1990)'
_computing_structure_solution    'SHELXS-86 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device       'Nonius Kappa CCD diffractometer'
_diffrn_measurement_method       '\f rotation scans with 2\%steps'
_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  0.0660
_diffrn_reflns_av_sigmaI/netI    0.0862
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            20084
_diffrn_reflns_theta_full        24.68
_diffrn_reflns_theta_max         24.68
_diffrn_reflns_theta_min         2.77
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.854
_exptl_absorpt_correction_T_max  0.920
_exptl_absorpt_correction_T_min  0.801
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'MULABS in PLATON;Spek,1998'
_exptl_crystal_colour            'pale ochre'
_exptl_crystal_density_diffrn    1.551
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       irregular
_exptl_crystal_F_000             1520
_exptl_crystal_size_max          0.150
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.050
_refine_diff_density_max         0.825
_refine_diff_density_min         -0.516
_refine_diff_density_rms         0.105
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.006(16)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.030
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     832
_refine_ls_number_reflns         10086
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.030
_refine_ls_R_factor_all          0.0720
_refine_ls_R_factor_gt           0.0550
_refine_ls_shift/su_max          0.063
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0643P)^2^+4.5491P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1237
_refine_ls_wR_factor_ref         0.1327
_reflns_number_gt                8529
_reflns_number_total             10086
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b203725d.txt
_cod_data_source_block           8.MeCN
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               7011768