Reduction of Pentavalent Uranyl to U(IV) Facilitated by Oxo Functionalization
David D. Schnaars; Guang Wu; Trevor W. Hayton; Journal of the American Chemical Society 131 (2009) 17532–17533; doi:10.1021/ja906880d

data_4105430
_publ_contact_author_email       hayton@chem.ucsb.edu
_publ_contact_author_name        'Trevor W Hayton'
_publ_section_title
;
 Reduction of Pentavalent Uranyl to U(IV) Facilitated by Oxo
 Functionalization
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              17532
_journal_page_last               17533
_journal_paper_doi               10.1021/ja906880d
_journal_volume                  131
_journal_year                    2009
_chemical_formula_sum            'C56 H54 B F15 N2 O2.5'
_chemical_formula_weight         1090.82
_chemical_name_systematic
; 
 ? 
;
_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                 104.552(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   23.4675(19)
_cell_length_b                   21.2867(16)
_cell_length_c                   21.1016(18)
_cell_measurement_temperature    150(2)
_cell_volume                     10203.1(14)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.973
_diffrn_measured_fraction_theta_max 0.973
_diffrn_measurement_device_type  'CCD Area Detector'
_diffrn_measurement_method       'Omega Scan'
_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  0.0948
_diffrn_reflns_av_sigmaI/netI    0.0884
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            40694
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         1.31
_exptl_absorpt_coefficient_mu    0.124
_exptl_absorpt_correction_T_max  0.38812
_exptl_absorpt_correction_T_min  0.23722
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'Psi Scan'
_exptl_crystal_colour            Pale_Green
_exptl_crystal_density_diffrn    1.420
_exptl_crystal_description       Block
_exptl_crystal_F_000             4512
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.438
_refine_diff_density_min         -0.275
_refine_diff_density_rms         0.076
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.923
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     690
_refine_ls_number_reflns         10163
_refine_ls_number_restraints     8
_refine_ls_restrained_S_all      0.925
_refine_ls_R_factor_all          0.1347
_refine_ls_R_factor_gt           0.0664
_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^)+(0.1017P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1547
_refine_ls_wR_factor_ref         0.1872
_reflns_number_gt                5048
_reflns_number_total             10163
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja906880d_si_002_3.cif
_cod_data_source_block           6b
_cod_original_cell_volume        10203.0(14)
_cod_original_formula_sum        'C56 H54 B F15 N2 O2.50'
_cod_database_code               4105430