Complexation of lanthanides, actinides and transition metal cations with a 6-(1,2,4-triazin-3-yl)-2,2':6',2''-terpyridine ligand: implications for actinide(iii)/lanthanide(iii) partitioning.
Lewis, Frank W.; Harwood, Laurence M.; Hudson, Michael J.; Drew, Michael G. B.; Sypula, Michal; Modolo, Giuseppe; Whittaker, Daniel; Sharrad, Clint A.; Videva, Vladimira; Hubscher-Bruder, Véronique; Arnaud-Neu, Françoise; Dalton transactions (Cambridge, England : 2003) 41 (2012) 9209–9219; doi:10.1039/c2dt30522d

data_7019790
_publ_section_title
;
 Complexation of lanthanides, actinides and transition metal cations with
 a 6-(1,2,4-triazin-3-yl)-2,2':6',2''-terpyridine ligand: implications for
 actinide(iii)/lanthanide(iii) partitioning.
;
_journal_issue                   30
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              9209
_journal_page_last               9219
_journal_paper_doi               10.1039/c2dt30522d
_journal_volume                  41
_journal_year                    2012
_chemical_formula_moiety         '2(C27 H30 N6 O3 U), N4 O14 U'
_chemical_formula_sum            'C54 H60 N16 O20 U3'
_chemical_formula_weight         1966.70
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_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_date             2012-04-14
_audit_creation_method
;
Olex2 1.1
(compiled 2011.11.01 svn.r2039, GUI svn.r3906)
;
_cell_angle_alpha                113.4860(10)
_cell_angle_beta                 99.1500(10)
_cell_angle_gamma                94.8080(10)
_cell_formula_units_Z            1
_cell_length_a                   11.1976(8)
_cell_length_b                   11.5470(8)
_cell_length_c                   13.3767(10)
_cell_measurement_reflns_used    4667
_cell_measurement_temperature    100.15
_cell_measurement_theta_max      26.355
_cell_measurement_theta_min      2.470
_cell_volume                     1545.29(19)
_computing_cell_refinement       'SAINT v6.45A (Bruker, 2003)'
_computing_data_reduction        'SAINT v6.45A (Bruker, 2003)'
_computing_molecular_graphics
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_publication_material
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_structure_refinement
;
XL, G.M. Sheldrick, Acta Cryst.
(2008). A64, 112-122
;
_computing_structure_solution
;
XS, G.M. Sheldrick, Acta Cryst.
(2008). A64, 112-122
;
_diffrn_ambient_temperature      100.15
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device_type  'Bruker SMART APEX CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0252
_diffrn_reflns_av_unetI/netI     0.0415
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            12300
_diffrn_reflns_theta_full        26.39
_diffrn_reflns_theta_max         26.39
_diffrn_reflns_theta_min         1.70
_diffrn_source                   'fine-focus sealed tube'
_diffrn_source_current           40.0
_diffrn_source_power             1.6
_diffrn_source_voltage           40.0
_exptl_absorpt_coefficient_mu    7.929
_exptl_absorpt_correction_T_max  1
_exptl_absorpt_correction_T_min  0.672654
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS v.2.10 (Bruker,2003) was used for absorption correction.
R(int) was 0.0595 before and 0.0214 after correction.
The Ratio of minimum to maximum transmission is 0.6727.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    2.113
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             932
_exptl_crystal_size_max          0.1
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.1
_refine_diff_density_max         2.718
_refine_diff_density_min         -1.180
_refine_diff_density_rms         0.172
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.069
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     429
_refine_ls_number_reflns         6198
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.069
_refine_ls_R_factor_all          0.0501
_refine_ls_R_factor_gt           0.0406
_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^)+(0.0375P)^2^+8.5800P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0863
_refine_ls_wR_factor_ref         0.0903
_reflns_number_gt                5362
_reflns_number_total             6198
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt30522d.txt
_cod_data_source_block           dw072bap-1
_cod_database_code               7019790