Molecular and Electronic Structure of Dinuclear Uranium Bis-μ-Oxo Complexes with Diamond Core Structural Motifs.
Schmidt, Anna-Corina; Heinemann, Frank W.; Lukens, Jr, Wayne W; Meyer, Karsten; Journal of the American Chemical Society 136 (2014) 11980–; doi:10.1021/ja504528n

data_4122197
_publ_section_title
;
 Molecular and Electronic Structure of Dinuclear Uranium Bis-\m-Oxo
 Complexes with Diamond Core Structural Motifs.
;
_journal_issue                   34
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              11980
_journal_paper_doi               10.1021/ja504528n
_journal_volume                  136
_journal_year                    2014
_chemical_formula_moiety
'C90 H133 N6 O8 U2, C18 H36 K N2 O6, 2(C4 H8 O)'
_chemical_formula_sum            'C116 H185 K N8 O16 U2'
_chemical_formula_weight         2462.88
_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 except H7O difmap'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                67.765(2)
_cell_angle_beta                 87.980(2)
_cell_angle_gamma                86.037(2)
_cell_formula_units_Z            2
_cell_length_a                   13.4843(13)
_cell_length_b                   19.0787(18)
_cell_length_c                   24.425(2)
_cell_measurement_reflns_used    9433
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      29.76
_cell_measurement_theta_min      2.31
_cell_volume                     5802.2(9)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'SHELXTL 6.12 (Bruker AXS, 2002)'
_computing_publication_material  'SHELXTL 6.12 (Bruker AXS, 2002)'
_computing_structure_refinement  'SHELXTL 6.12 (Bruker AXS, 2002)'
_computing_structure_solution    'SHELXTL 6.12 (Bruker AXS, 2002)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 83.33
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker Kappa APEX II'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  'Quazar focussing montel optics'
_diffrn_radiation_source         'ImuS micro-focus tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0498
_diffrn_reflns_av_sigmaI/netI    0.0552
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            99356
_diffrn_reflns_theta_full        27.88
_diffrn_reflns_theta_max         27.88
_diffrn_reflns_theta_min         2.14
_exptl_absorpt_coefficient_mu    2.888
_exptl_absorpt_correction_T_max  0.746
_exptl_absorpt_correction_T_min  0.635
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Bruker-AXS, 2008'
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.410
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2536
_exptl_crystal_size_max          0.19
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.685
_refine_diff_density_min         -1.710
_refine_diff_density_rms         0.118
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.083
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1354
_refine_ls_number_reflns         27648
_refine_ls_number_restraints     202
_refine_ls_restrained_S_all      1.164
_refine_ls_R_factor_all          0.0548
_refine_ls_R_factor_gt           0.0342
_refine_ls_shift/su_max          0.006
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0272P)^2^+4.9476P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0712
_refine_ls_wR_factor_ref         0.0775
_reflns_number_gt                21403
_reflns_number_total             27648
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja504528n_si_003.cif
_cod_data_source_block           acs1306
_cod_depositor_comments
'Adding full bibliography for 4122183--4122197.cif.'
_cod_original_cell_volume        5802.3(9)
_cod_original_sg_symbol_Hall     -P1
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4122197