Complexation of Ln(3+) Ions with Cyclam Dipicolinates: A Small Bridge that Makes Huge Differences in Structure, Equilibrium, and Kinetic Properties.
Rodríguez-Rodríguez, Aurora; Regueiro-Figueroa, Martín; Esteban-Gómez, David; Tripier, Raphaël; Tircsó, Gyula; Kálmán, Ferenc Krisztián; Bényei, Attila Csaba; Tóth, Imre; de Blas, Andrés; Rodríguez-Blas, Teresa; Platas-Iglesias, Carlos; Inorganic chemistry 55 (2016) 2227–2239; doi:10.1021/acs.inorgchem.5b02627

data_4347026
_publ_section_title
;
 Complexation of Ln(3+) Ions with Cyclam Dipicolinates: A Small Bridge
 that Makes Huge Differences in Structure, Equilibrium, and Kinetic
 Properties.
;
_journal_issue                   5
_journal_name_full               'Inorganic chemistry'
_journal_page_first              2227
_journal_page_last               2239
_journal_paper_doi               10.1021/acs.inorgchem.5b02627
_journal_volume                  55
_journal_year                    2016
_chemical_formula_moiety         'C52 H70 Gd N12 O8, Cl, 5(H2 O)'
_chemical_formula_sum            'C52 H80 Cl Gd N12 O13'
_chemical_formula_weight         1273.98
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     heavy
_atom_sites_solution_secondary   difmap
_audit_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.4.3
_audit_creation_date             2015-10-27T12:48:14-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 107.432(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   16.0360(4)
_cell_length_b                   16.4812(4)
_cell_length_c                   22.7258(6)
_cell_measurement_reflns_used    1921
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.23
_cell_measurement_theta_min      2.24
_cell_measurement_wavelength     0.71073
_cell_volume                     5730.4(3)
_computing_cell_refinement       'BRUKER APEX2'
_computing_data_collection       'BRUKER APEX2'
_computing_data_reduction        XPrep
_computing_molecular_graphics    'ORTEP-3 for Windows (Farrugia, 2012)'
_computing_publication_material  'WinGX publication routines (Farrugia, 2012)'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution
;'SIR2011 Burla, M. C., Caliandro, R., Camalli, M., Carrozzini, B.,
Cascarano, G. L., Giacovazzo, C., Mallamo, M., Mazzone, A., Polidori, G.
& Spagna, R. (2012). J. Appl. Cryst. 45, 357-361.'
;
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1
_diffrn_measured_fraction_theta_max 1
_diffrn_measurement_device_type  'Bruker Kappa APEXII CCD'
_diffrn_measurement_method       'omega and phi scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0731
_diffrn_reflns_Laue_measured_fraction_full 1
_diffrn_reflns_Laue_measured_fraction_max 1
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            128809
_diffrn_reflns_point_group_measured_fraction_full 1
_diffrn_reflns_point_group_measured_fraction_max 1
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.033
_diffrn_reflns_theta_min         1.816
_exptl_absorpt_coefficient_mu    1.276
_exptl_absorpt_correction_T_max  0.881
_exptl_absorpt_correction_T_min  0.815
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
        SADABS Version 2014/5 (Sheldrick, Bruker AXS Inc.)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.477
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2644
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.1
_refine_diff_density_max         1.614
_refine_diff_density_min         -0.979
_refine_diff_density_rms         0.121
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_constraints    0
_refine_ls_number_parameters     750
_refine_ls_number_reflns         16768
_refine_ls_number_restraints     18
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0728
_refine_ls_R_factor_gt           0.0382
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0340P)^2^+8.9853P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0812
_refine_ls_wR_factor_ref         0.0933
_reflns_number_gt                11698
_reflns_number_total             16768
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ic5b02627_si_002.cif
_cod_data_source_block           compound_7
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4347026
_shelx_estimated_absorpt_t_min   0.832
_shelx_estimated_absorpt_t_max   0.883