Radical anionic versus neutral 2,2'-bipyridyl coordination in uranium complexes supported by amide and ketimide ligands.
Diaconescu, Paula L.; Cummins, Christopher C.; Dalton transactions (Cambridge, England : 2003) 44 (2015) 2676–2683; doi:10.1039/c4dt02422b

data_7033341
_publ_section_title
;
 Radical anionic versus neutral 2,2'-bipyridyl coordination in uranium
 complexes supported by amide and ketimide ligands.
;
_journal_issue                   6
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              2676
_journal_page_last               2683
_journal_paper_doi               10.1039/c4dt02422b
_journal_volume                  44
_journal_year                    2015
_chemical_formula_moiety         '2(C44 H52 N6 U), C4 O'
_chemical_formula_sum            'C92 H104 N12 O U2'
_chemical_formula_weight         1869.93
_chemical_name_systematic
; 
 ? 
;
_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
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2014-06-19 deposited with the CCDC.
2014-12-05 downloaded from the CCDC.
;
_cell_angle_alpha                76.2790(10)
_cell_angle_beta                 85.6930(10)
_cell_angle_gamma                86.8400(10)
_cell_formula_units_Z            1
_cell_length_a                   10.2945(7)
_cell_length_b                   11.0569(7)
_cell_length_c                   19.0658(12)
_cell_measurement_temperature    183(2)
_cell_volume                     2100.7(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      183(2)
_diffrn_measured_fraction_theta_full 0.976
_diffrn_measured_fraction_theta_max 0.976
_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  0.0314
_diffrn_reflns_av_sigmaI/netI    0.0265
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            8413
_diffrn_reflns_theta_full        23.26
_diffrn_reflns_theta_max         23.26
_diffrn_reflns_theta_min         2.41
_exptl_absorpt_coefficient_mu    3.903
_exptl_absorpt_correction_T_max  0.6734
_exptl_absorpt_correction_T_min  0.4079
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Twinabs (Bruker)'
_exptl_crystal_density_diffrn    1.478
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             932
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.11
_refine_diff_density_max         1.035
_refine_diff_density_min         -1.486
_refine_diff_density_rms         0.090
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.077
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     503
_refine_ls_number_reflns         5904
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.077
_refine_ls_R_factor_all          0.0300
_refine_ls_R_factor_gt           0.0272
_refine_ls_shift/su_max          0.022
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0486P)^2^+1.0899P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0685
_refine_ls_wR_factor_ref         0.0698
_reflns_number_gt                5542
_reflns_number_total             5904
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4dt02422b2.cif
_cod_data_source_block           1-(bipy)2
_cod_depositor_comments
'Adding full bibliography for 7033341--7033344.cif.'
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7033341