1,2,4-Triazine-picolinamide functionalized, nonadentate chelates for the segregation of lanthanides(iii) and actinides(iii) in biphasic systems
Guillet, Gary L.; Hyatt, I. F. Dempsey; Hillesheim, Patrick C.; Abboud, Khalil A.; Scott, Michael J.; New Journal of Chemistry 37 (2013) 119–; doi:10.1039/c2nj40586e

data_7052980
_publ_section_title
;
 1,2,4-Triazine-picolinamide functionalized, nonadentate chelates for the
 segregation of lanthanides(iii) and actinides(iii) in biphasic systems
;
_journal_issue                   1
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              119
_journal_paper_doi               10.1039/c2nj40586e
_journal_volume                  37
_journal_year                    2013
_chemical_formula_moiety
'C103 H97 N15 O6 Yb1, (C2H6N4O14Yb1), 2(NO3), 3(C4H10O1), 3(CH4O1)'
_chemical_formula_sum            'C120 H145 N21 O32 Yb2'
_chemical_formula_weight         2739.65
_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
;
2012-09-24 # Formatted by publCIF
;
_cell_angle_alpha                81.5270(10)
_cell_angle_beta                 81.6540(10)
_cell_angle_gamma                88.4920(10)
_cell_formula_units_Z            2
_cell_length_a                   17.6026(14)
_cell_length_b                   17.8227(15)
_cell_length_c                   20.5821(17)
_cell_measurement_reflns_used    9864
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.0
_cell_measurement_theta_min      2.0
_cell_volume                     6318.9(9)
_computing_cell_refinement       'Bruker APEX2'
_computing_data_collection       'Bruker APEX2 (Bruker, 2008)'
_computing_data_reduction        'Bruker SAINT (Bruker, 2008)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL (Bruker, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\w 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  0.0226
_diffrn_reflns_av_sigmaI/netI    0.0327
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            18759
_diffrn_reflns_theta_full        18.76
_diffrn_reflns_theta_max         18.76
_diffrn_reflns_theta_min         1.16
_exptl_absorpt_coefficient_mu    1.555
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            clear
_exptl_crystal_density_diffrn    1.440
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       blocks
_exptl_crystal_F_000             2816
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.08
_refine_diff_density_max         1.032
_refine_diff_density_min         -1.037
_refine_diff_density_rms         0.103
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.092
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1355
_refine_ls_number_reflns         9683
_refine_ls_number_restraints     85
_refine_ls_restrained_S_all      1.109
_refine_ls_R_factor_all          0.0541
_refine_ls_R_factor_gt           0.0470
_refine_ls_shift/su_max          0.027
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0921P)^2^+19.5697P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1348
_refine_ls_wR_factor_ref         0.1408
_reflns_number_gt                8278
_reflns_number_total             9683
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2nj40586e.txt
_cod_data_source_block           yb9
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7052980