Formation of Uranium(IV) Oxide Clusters from Uranocene [U(η8-C8H8)2] and Uranyl [UO2X2] Compounds
Jean-Claude Berthet; Pierre Thuéry; Michel Ephritikhine; Inorganic Chemistry 49 (2010) 8173–8177; doi:10.1021/ic101310z

data_4316468
_publ_section_title
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 Formation of Uranium(IV) Oxide Clusters from Uranocene [U(\h8-C8H8)2] and
 Uranyl [UO2X2] Compounds
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_journal_name_full               'Inorganic Chemistry'
_journal_page_first              8173
_journal_page_last               8177
_journal_paper_doi               10.1021/ic101310z
_journal_volume                  49
_journal_year                    2010
_chemical_formula_sum            'C48 H80 F24 O42 S8 U6'
_chemical_formula_weight         3469.78
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_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                 113.497(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   24.487(2)
_cell_length_b                   15.4290(9)
_cell_length_c                   25.622(3)
_cell_measurement_reflns_used    85837
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.68
_cell_measurement_theta_min      2.97
_cell_volume                     8877.6(14)
_computing_cell_refinement       'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'Kappa-CCD software (Nonius B.V., 1998)'
_computing_data_reduction        'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 1999)'
_computing_publication_material
'SHELXTL (Sheldrick, 1999); PLATON (Spek, 2003)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Nonius Kappa-CCD area-detector diffractometer'
_diffrn_measurement_method       'one \f and four \w 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  0.0823
_diffrn_reflns_av_sigmaI/netI    0.0718
_diffrn_reflns_limit_h_max       29
_diffrn_reflns_limit_h_min       -29
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            85837
_diffrn_reflns_theta_full        25.68
_diffrn_reflns_theta_max         25.68
_diffrn_reflns_theta_min         2.97
_diffrn_standards_decay_%        none
_diffrn_standards_interval_time  0
_exptl_absorpt_coefficient_mu    11.231
_exptl_absorpt_correction_T_max  0.291
_exptl_absorpt_correction_T_min  0.116
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SCALEPACK (Otwinowski & Minor, 1997)'
_exptl_crystal_colour            'translucent light green'
_exptl_crystal_density_diffrn    2.596
_exptl_crystal_density_meas      ?
_exptl_crystal_description       irregular
_exptl_crystal_F_000             6400
_exptl_crystal_size_max          0.17
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.946
_refine_diff_density_min         -1.066
_refine_diff_density_rms         0.138
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.814
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     578
_refine_ls_number_reflns         8429
_refine_ls_number_restraints     42
_refine_ls_restrained_S_all      0.818
_refine_ls_R_factor_all          0.0816
_refine_ls_R_factor_gt           0.0339
_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^)+(0.0270P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0590
_refine_ls_wR_factor_ref         0.0679
_reflns_number_gt                4922
_reflns_number_total             8429
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic101310z_si_001_1.cif
_cod_data_source_block           2.2THF
_cod_depositor_comments
;
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_sg_symbol_H-M      'C 2/c'
_cod_database_code               4316468