Structure and magnetism of the first strictly dinuclear compound containing paramagnetic 3d and 5f metal ions. Major influence of the CuII ion coordination on the exchange CuII‒UIV interaction
Salmon, Lionel; Thuéry, Pierre; Rivière, Eric; Girerd, Jean-Jacques; Ephritikhine, Michel; Chemical Communications (Cambridge, United Kingdom)  (2003) 762–763; doi:10.1039/b212635d

data_7104025
_publ_section_title
;
 Structure and magnetism of the first strictly dinuclear compound
 containing paramagnetic 3d and 5f metal ions. Major influence of the CuII
 ion coordination on the exchange CuII--UIV interaction
;
_journal_coden_ASTM              CHCOFS
_journal_issue                   6
_journal_name_full
;
 Chemical Communications (Cambridge, United Kingdom)
;
_journal_page_first              762
_journal_page_last               763
_journal_paper_doi               10.1039/b212635d
_journal_year                    2003
_chemical_formula_sum            'C43.5 H39.5 Cu2 N5.5 O8 U'
_chemical_formula_weight         1132.42
_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                 90.315(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.3373(5)
_cell_length_b                   13.4223(11)
_cell_length_c                   31.0552(14)
_cell_measurement_reflns_used    25869
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.68
_cell_measurement_theta_min      3.03
_cell_volume                     4308.9(5)
_computing_cell_refinement       'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'Kappa-CCD software (Nonius B.V., 1998)'
_computing_data_reduction        'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 1999)'
_computing_publication_material  'SHELXTL (Sheldrick, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 18
_diffrn_measured_fraction_theta_full 0.957
_diffrn_measured_fraction_theta_max 0.957
_diffrn_measurement_device_type  'Nonius Kappa-CCD'
_diffrn_measurement_method       '\f 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  0.0988
_diffrn_reflns_av_sigmaI/netI    0.0950
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       37
_diffrn_reflns_limit_l_min       -36
_diffrn_reflns_number            25869
_diffrn_reflns_theta_full        25.68
_diffrn_reflns_theta_max         25.68
_diffrn_reflns_theta_min         3.03
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    4.786
_exptl_absorpt_correction_T_max  0.787
_exptl_absorpt_correction_T_min  0.514
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'program DELABS from PLATON (Spek, 2000)'
_exptl_crystal_colour            'translucent dark brown'
_exptl_crystal_density_diffrn    1.746
_exptl_crystal_density_meas      ?
_exptl_crystal_description       parallelepiped
_exptl_crystal_F_000             2212
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.627
_refine_diff_density_min         -1.238
_refine_diff_density_rms         0.176
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     548
_refine_ls_number_reflns         7837
_refine_ls_number_restraints     124
_refine_ls_restrained_S_all      1.246
_refine_ls_R_factor_all          0.1146
_refine_ls_R_factor_gt           0.0699
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0577P)^2^+57.3693P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1499
_refine_ls_wR_factor_ref         0.1719
_reflns_number_gt                5201
_reflns_number_total             7837
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b212635d.txt
_cod_data_source_block           3.1.5py
_cod_original_sg_symbol_H-M      P2~1~/c
_cod_original_formula_sum        'C43.50 H39.50 Cu2 N5.50 O8 U'
_cod_database_code               7104025