Polymeric Structure of Oxalato-Bridged Complexes of Tetravalent Actinides Th, U, Np and Pu
Grigory Andreev; Nina Budantseva; Aleksander Fedoseev; Philippe Moisy; Inorganic Chemistry 50 (2011) 11481–11486; doi:10.1021/ic201313g

data_4326857
_publ_section_title
;
 Polymeric Structure of Oxalato-Bridged Complexes of Tetravalent Actinides
 Th, U, Np and Pu
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              11481
_journal_page_last               11486
_journal_paper_doi               10.1021/ic201313g
_journal_volume                  50
_journal_year                    2011
_chemical_formula_sum            'C12 H28 N12 O18 U'
_chemical_formula_weight         866.49
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_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                 117.8110(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   19.6703(4)
_cell_length_b                   11.9387(2)
_cell_length_c                   12.8072(2)
_cell_measurement_temperature    100(2)
_cell_volume                     2660.21(9)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0275
_diffrn_reflns_av_sigmaI/netI    0.0274
_diffrn_reflns_limit_h_max       31
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            24712
_diffrn_reflns_theta_full        35.00
_diffrn_reflns_theta_max         35.00
_diffrn_reflns_theta_min         2.07
_exptl_absorpt_coefficient_mu    6.206
_exptl_absorpt_correction_T_max  0.880
_exptl_absorpt_correction_T_min  0.650
_exptl_absorpt_correction_type   numerical
_exptl_crystal_density_diffrn    2.164
_exptl_crystal_F_000             1680
_exptl_crystal_size_max          0.065
_exptl_crystal_size_mid          0.055
_exptl_crystal_size_min          0.050
_refine_diff_density_max         2.635
_refine_diff_density_min         -7.742
_refine_diff_density_rms         0.179
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.213
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     237
_refine_ls_number_reflns         5874
_refine_ls_number_restraints     14
_refine_ls_restrained_S_all      1.212
_refine_ls_R_factor_all          0.0568
_refine_ls_R_factor_gt           0.0345
_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^)+(0.0190P)^2^+19.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0697
_refine_ls_wR_factor_ref         0.0811
_reflns_number_gt                4561
_reflns_number_total             5874
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic201313g_si_001_2.cif
_cod_data_source_block           u
_cod_original_cell_volume        2660.21(8)
_cod_database_code               4326857