Oxidation Chemistry of Uranium(III) Complexes of Tpa: Synthesis and Structural Studies of Oxo, Hydroxo, and Alkoxo Complexes of Uranium(IV)
Lydia Karmazin; Marinella Mazzanti; Jacques Pécaut; Inorganic Chemistry 42 (2003) 5900–5908; doi:10.1021/ic0343004

data_4314236
_publ_section_title
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 Oxidation Chemistry of Uranium(III) Complexes of Tpa: Synthesis and
 Structural Studies of Oxo, Hydroxo, and Alkoxo Complexes of Uranium(IV)
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5900
_journal_page_last               5908
_journal_paper_doi               10.1021/ic0343004
_journal_volume                  42
_journal_year                    2003
_chemical_formula_sum            'C20 H24 I2 N4 O2 U'
_chemical_formula_weight         844.26
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 112.3610(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.6179(8)
_cell_length_b                   9.8545(4)
_cell_length_c                   15.2360(7)
_cell_measurement_temperature    193(2)
_cell_volume                     2446.30(19)
_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      193(2)
_diffrn_measured_fraction_theta_full 0.912
_diffrn_measured_fraction_theta_max 0.912
_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  0.0421
_diffrn_reflns_av_sigmaI/netI    0.0393
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            15185
_diffrn_reflns_theta_full        28.89
_diffrn_reflns_theta_max         28.89
_diffrn_reflns_theta_min         2.42
_exptl_absorpt_coefficient_mu    9.181
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    2.292
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1544
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.5
_refine_diff_density_max         1.678
_refine_diff_density_min         -2.386
_refine_diff_density_rms         0.200
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.016
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     358
_refine_ls_number_reflns         5880
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.016
_refine_ls_R_factor_all          0.0390
_refine_ls_R_factor_gt           0.0308
_refine_ls_shift/su_max          0.359
_refine_ls_shift/su_mean         0.026
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0440P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0715
_refine_ls_wR_factor_ref         0.0737
_reflns_number_gt                4913
_reflns_number_total             5880
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0343004si20030702_093145_4.cif
_cod_data_source_block           complex4,U(tpa)(OMe)2I2]
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
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_cod_database_code               4314236