A Structural and Electrochemical Investigation of 1-Alkyl-3-methylimidazolium Salts of the Nitratodioxouranate(VI) Anions [{UO2(NO3)2}2(μ4-C2O4)]2-, [UO2(NO3)3]-, and [UO2(NO3)4]2-
Antonia E. Bradley; Christopher Hardacre; Mark Nieuwenhuyzen; William R. Pitner; David Sanders; Kenneth R. Seddon; Robert C. Thied; Inorganic Chemistry 43 (2004) 2503–2514; doi:10.1021/ic035350b

data_4310856
_publ_section_title
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 A Structural and Electrochemical Investigation of
 1-Alkyl-3-methylimidazolium Salts of the Nitratodioxouranate(VI) Anions
 [{UO2(NO3)2}2(\m4-C2O4)]2-, [UO2(NO3)3]-, and [UO2(NO3)4]2-
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_journal_name_full               'Inorganic Chemistry'
_journal_page_first              2503
_journal_page_last               2514
_journal_paper_doi               10.1021/ic035350b
_journal_volume                  43
_journal_year                    2004
_chemical_formula_sum            'C32 H62 N8 O14 U'
_chemical_formula_weight         1020.93
_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                95.467(2)
_cell_angle_beta                 91.533(4)
_cell_angle_gamma                93.733(2)
_cell_formula_units_Z            2
_cell_length_a                   8.1071(7)
_cell_length_b                   9.2880(8)
_cell_length_c                   28.349(2)
_cell_measurement_temperature    153(2)
_cell_volume                     2119.3(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_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      153(2)
_diffrn_measured_fraction_theta_full 0.873
_diffrn_measured_fraction_theta_max 0.873
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0380
_diffrn_reflns_av_sigmaI/netI    0.0446
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       36
_diffrn_reflns_limit_l_min       -37
_diffrn_reflns_number            17610
_diffrn_reflns_theta_full        28.25
_diffrn_reflns_theta_max         28.25
_diffrn_reflns_theta_min         1.44
_exptl_absorpt_coefficient_mu    3.899
_exptl_absorpt_correction_T_max  0.8621
_exptl_absorpt_correction_T_min  0.5153
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.600
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1028
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.12
_refine_diff_density_max         2.185
_refine_diff_density_min         -2.813
_refine_diff_density_rms         0.200
_refine_ls_extinction_method     none
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_refine_ls_number_parameters     500
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_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0430
_refine_ls_R_factor_gt           0.0386
_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^)+(0.0690P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0963
_refine_ls_wR_factor_ref         0.1022
_reflns_number_gt                8301
_reflns_number_total             9146
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic035350bsi20031121_013707_6.cif
_cod_data_source_block           7
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not_measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_cell_volume        2119.2(3)
_cod_database_code               4310856