Molecular and Crystal Structures of Uranyl Nitrate Complexes withN-Alkylated 2-Pyrrolidone Derivatives: Design and Optimization of Promising Precipitant for Uranyl Ion
Takao, Koichiro; Noda, Kyoko; Morita, Yasuji; Nishimura, Kenji; Ikeda, Yasuhisa; Crystal Growth & Design 8 (2008) 2364–; doi:10.1021/cg7012254

data_4503513
_publ_section_title
;
 Molecular and Crystal Structures of Uranyl Nitrate Complexes
 withN-Alkylated 2-Pyrrolidone Derivatives: Design and Optimization of
 Promising Precipitant for Uranyl Ion
;
_journal_issue                   7
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              2364
_journal_paper_doi               10.1021/cg7012254
_journal_volume                  8
_journal_year                    2008
_chemical_formula_moiety         'C18 H34 N4 O10 U '
_chemical_formula_sum            'C18 H34 N4 O10 U'
_chemical_formula_weight         704.52
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_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                105.60(2)
_cell_angle_beta                 102.702(19)
_cell_angle_gamma                98.12(2)
_cell_formula_units_Z            1
_cell_length_a                   7.272(2)
_cell_length_b                   8.988(2)
_cell_length_c                   10.467(3)
_cell_measurement_reflns_used    6542
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      3.1
_cell_volume                     628.0(3)
_computing_cell_refinement       PROCESS-AUTO
_computing_data_collection       PROCESS-AUTO
_computing_data_reduction        CrystalStructure
_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 0.990
_diffrn_measured_fraction_theta_max 0.990
_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  0.0280
_diffrn_reflns_av_sigmaI/netI    0.0268
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            5602
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.12
_exptl_absorpt_coefficient_mu    6.518
_exptl_absorpt_correction_T_max  0.4414
_exptl_absorpt_correction_T_min  0.2088
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details
;
    Higashi, T. (1999). Program for Absorption Correction.
    Rigaku Corporation, Tokyo, Japan.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.863
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             342
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.15
_refine_diff_density_max         1.070
_refine_diff_density_min         -1.156
_refine_diff_density_rms         0.109
_refine_ls_extinction_coef       0.0043(5)
_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   1.061
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     155
_refine_ls_number_reflns         2855
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.061
_refine_ls_R_factor_all          0.0218
_refine_ls_R_factor_gt           0.0218
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0123P)^2^+1.6211P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0495
_refine_ls_wR_factor_ref         0.0495
_reflns_number_gt                2855
_reflns_number_total             2855
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg7012254-file015.cif
_cod_data_source_block           UO2(NO3)2(L5d)2_(R=tAmyl)
_cod_original_sg_symbol_H-M      'P -1       '
_cod_database_code               4503513