Reductive Cleavage of Nitrite to Form Terminal Uranium Mono-Oxo Complexes
Andrew J. Lewis; Patrick J. Carroll; Eric J. Schelter; Journal of the American Chemical Society 135 (2013) 511–518; doi:10.1021/ja311057y

data_4119167
_publ_section_title
;
 Reductive Cleavage of Nitrite to Form Terminal Uranium Mono-Oxo Complexes
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              511
_journal_page_last               518
_journal_paper_doi               10.1021/ja311057y
_journal_volume                  135
_journal_year                    2013
_chemical_formula_sum            'C20 H52 N2 O4 Si4 U'
_chemical_formula_weight         735.03
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                104.511(5)
_cell_angle_beta                 101.754(5)
_cell_angle_gamma                101.706(5)
_cell_formula_units_Z            4
_cell_length_a                   10.7070(12)
_cell_length_b                   18.0278(18)
_cell_length_c                   18.0287(18)
_cell_measurement_temperature    143(1)
_cell_volume                     3177.7(6)
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      143(1)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device       'CCD Area Detector'
_diffrn_measurement_device_type  'Bruker APEXII'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0604
_diffrn_reflns_av_sigmaI/netI    0.0375
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            85341
_diffrn_reflns_theta_full        27.63
_diffrn_reflns_theta_max         27.63
_diffrn_reflns_theta_min         1.96
_exptl_absorpt_coefficient_mu    5.283
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.4741
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2007)'
_exptl_crystal_density_diffrn    1.536
_exptl_crystal_F_000             1464
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.28
_refine_diff_density_max         2.512
_refine_diff_density_min         -3.874
_refine_diff_density_rms         0.136
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.087
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     594
_refine_ls_number_reflns         14639
_refine_ls_number_restraints     67
_refine_ls_restrained_S_all      1.085
_refine_ls_R_factor_all          0.0445
_refine_ls_R_factor_gt           0.0397
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0408P)^2^+28.3651P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1069
_refine_ls_wR_factor_ref         0.1118
_reflns_number_gt                13863
_reflns_number_total             14639
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja311057y_si_002_2.cif
_cod_data_source_block           twin5
_cod_original_sg_symbol_H-M      'P -1 '
_cod_database_code               4119167