Molecular Structure and Electrochemical Behavior of Uranyl(VI) Complex with Pentadentate Schiff Base Ligand: Prevention of Uranyl(V) Cation-Cation Interaction by Fully Chelating Equatorial Coordination Sites
Koichiro Takao; Masaru Kato; Shinobu Takao; Akira Nagasawa; Gert Bernhard; Christoph Hennig; Yasuhisa Ikeda; Inorganic Chemistry 49 (2010) 2349–2359; doi:10.1021/ic902225f

data_4315023
_publ_section_title
;
 Molecular Structure and Electrochemical Behavior of Uranyl(VI) Complex
 with Pentadentate Schiff Base Ligand: Prevention of Uranyl(V)
 Cation-Cation Interaction by Fully Chelating Equatorial Coordination
 Sites
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              2349
_journal_page_last               2359
_journal_paper_doi               10.1021/ic902225f
_journal_volume                  49
_journal_year                    2010
_chemical_formula_moiety         'C18 H19 N3 O4 U '
_chemical_formula_sum            'C18 H19 N3 O4 U'
_chemical_formula_weight         579.39
_space_group_IT_number           62
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      62
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_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            4
_cell_length_a                   10.464(3)
_cell_length_b                   21.617(6)
_cell_length_c                   7.976(2)
_cell_measurement_reflns_used    17597
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.4
_cell_measurement_theta_min      3.2
_cell_volume                     1804.2(9)
_computing_cell_refinement       PROCESS-AUTO
_computing_data_collection       PROCESS-AUTO
_computing_data_reduction        CrystalStructure
_computing_publication_material  'CrystalStructure 3.8'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    SIR92
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean 10.00
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Rigaku RAXIS-RAPID'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0613
_diffrn_reflns_av_sigmaI/netI    0.0270
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            15821
_diffrn_reflns_theta_full        27.42
_diffrn_reflns_theta_max         27.42
_diffrn_reflns_theta_min         3.21
_exptl_absorpt_coefficient_mu    9.024
_exptl_absorpt_correction_T_max  0.3262
_exptl_absorpt_correction_T_min  0.1603
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details
;
    Higashi, T. (1999). Program for Absorption Correction.
    Rigaku Corporation, Tokyo, Japan.
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    2.133
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1088
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.16
_refine_diff_density_max         2.570
_refine_diff_density_min         -1.560
_refine_diff_density_rms         0.153
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.136
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     125
_refine_ls_number_reflns         2104
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.136
_refine_ls_R_factor_all          0.0368
_refine_ls_R_factor_gt           0.0333
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0148P)^2^+15.6430P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0769
_refine_ls_wR_factor_ref         0.0780
_reflns_number_gt                1948
_reflns_number_total             2104
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic902225f_si_002_2.cif
_cod_data_source_block           1b
_cod_database_code               4315023