Stabilizing divalent europium in aqueous solution using size-discrimination and electrostatic effects.
Regueiro-Figueroa, Martín; Barriada, José Luis; Pallier, Agnès; Esteban-Gómez, David; Blas, Andrés de; Rodríguez-Blas, Teresa; Tóth, Éva; Platas-Iglesias, Carlos; Inorganic chemistry 54 (2015) 4940–4952; doi:10.1021/acs.inorgchem.5b00548

data_4342970
_publ_section_title
;
 Stabilizing divalent europium in aqueous solution using
 size-discrimination and electrostatic effects.
;
_journal_issue                   10
_journal_name_full               'Inorganic chemistry'
_journal_page_first              4940
_journal_page_last               4952
_journal_paper_doi               10.1021/acs.inorgchem.5b00548
_journal_volume                  54
_journal_year                    2015
_chemical_formula_moiety         'C26 H38 N6 O6, 6(H2 O)'
_chemical_formula_sum            'C26 H50 N6 O12'
_chemical_formula_weight         638.72
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_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   mixed
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_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 112.728(4)
_cell_angle_gamma                90
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_cell_length_a                   13.4460(10)
_cell_length_b                   8.1550(10)
_cell_length_c                   15.9150(10)
_cell_measurement_reflns_used    1969
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.86
_cell_measurement_theta_min      2.52
_cell_measurement_wavelength     0.71073
_cell_volume                     1609.6(3)
_computing_cell_refinement       'BRUKER APEX2'
_computing_data_collection       'BRUKER APEX2'
_computing_data_reduction        XPrep
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_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1
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_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  0.0382
_diffrn_reflns_Laue_measured_fraction_full 1
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            26165
_diffrn_reflns_point_group_measured_fraction_full 1
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_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.432
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_exptl_absorpt_coefficient_mu    0.104
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_exptl_absorpt_process_details
;
        SADABS Version 2008/1 (Sheldrick, Bruker AXS Inc.)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.318
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             688
_exptl_crystal_size_max          0.58
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_refine_diff_density_max         0.386
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_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0362P)^2^+1.0192P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0847
_refine_ls_wR_factor_ref         0.0923
_reflns_number_gt                2594
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_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ic5b00548_si_002.cif
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_cod_depositor_comments
'Adding full bibliography for 4342970--4342972.cif.'
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4342970
_shelx_estimated_absorpt_t_min   0.942
_shelx_estimated_absorpt_t_max   0.994