Selective complexation of uranium(III) over lanthanide(III) triflates by 2,2':6',2"-terpyridine. X-Ray crystal structures of [M(OTf)3(terpy)2] and [M(OTf)2(terpy)2(py)][OTf](M = Nd, Ce, U) and of polynuclear mu-oxo uranium(IV) complexes resulting from hydrolysis.
Berthet, Jean-Claude; Nierlich, Martine; Miquel, Yannick; Madic, Charles; Ephritikhine, Michel; Dalton transactions (Cambridge, England : 2003)  (2005) 369–379; doi:10.1039/b416189k

data_7008046
_publ_section_title
;
 Selective complexation of uranium(III) over lanthanide(III) triflates
 by 2,2':6',2"-terpyridine. X-Ray crystal structures of
 [M(OTf)3(terpy)2] and [M(OTf)2(terpy)2(py)][OTf](M = Nd, Ce, U) and of
 polynuclear mu-oxo uranium(IV) complexes resulting from hydrolysis.
;
_journal_issue                   2
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              369
_journal_page_last               379
_journal_paper_doi               10.1039/b416189k
_journal_year                    2005
_chemical_formula_sum            'C81 H59 F18 N15 O18 S6 U2'
_chemical_formula_weight         2540.85
_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
_cell_angle_alpha                98.67(3)
_cell_angle_beta                 100.48(3)
_cell_angle_gamma                93.26(3)
_cell_formula_units_Z            2
_cell_length_a                   14.487(3)
_cell_length_b                   14.997(3)
_cell_length_c                   21.269(4)
_cell_measurement_reflns_used    27774
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      25
_cell_measurement_theta_min      2
_cell_volume                     4475.0(17)
_computing_cell_refinement       'DENZO(Otwinowski& Minor,1997)'
_computing_data_collection       'DENZO(Otwinowski& Minor,1997)'
_computing_data_reduction        'DENZO(Otwinowski& Minor,1997)'
_computing_molecular_graphics    'SHELXTL (Sheldrick,1997)'
_computing_publication_material  'SHELXTL (Sheldrick,1997)'
_computing_structure_refinement  'SHELXL-93 (Sheldrick, 1990)'
_computing_structure_solution    'SHELXS-86 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.920
_diffrn_measured_fraction_theta_max 0.920
_diffrn_measurement_device_type  'Nonius Kappa CCD diffractometer'
_diffrn_measurement_method       '\f scans with 2\% steps'
_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  0.0821
_diffrn_reflns_av_sigmaI/netI    0.1105
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            27774
_diffrn_reflns_theta_full        24.75
_diffrn_reflns_theta_max         24.75
_diffrn_reflns_theta_min         2.66
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.869
_exptl_absorpt_correction_T_max  0.610
_exptl_absorpt_correction_T_min  0.320
_exptl_absorpt_correction_type   refdelf
_exptl_absorpt_process_details   'MULABS in PLATON (Spek, 1998)'
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.886
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       irregular
_exptl_crystal_F_000             2472
_exptl_crystal_size_max          0.300
_exptl_crystal_size_mid          0.250
_exptl_crystal_size_min          0.120
_refine_diff_density_max         0.847
_refine_diff_density_min         -1.023
_refine_diff_density_rms         0.141
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.972
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1249
_refine_ls_number_reflns         14085
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.972
_refine_ls_R_factor_all          0.0941
_refine_ls_R_factor_gt           0.0580
_refine_ls_shift/su_max          0.009
_refine_ls_shift/su_mean         0.034
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0634P)^2^+8.9391P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1315
_refine_ls_wR_factor_ref         0.1512
_reflns_number_gt                9575
_reflns_number_total             14085
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b416189k.txt
_cod_data_source_block           3.0.5py
_cod_original_cell_volume        4474.9(16)
_cod_database_code               7008046