A new luminescent lanthanide supramolecular network possessing free Lewis base sites for highly selective and sensitive Cu(2+) sensing.
Chu, Tianshu; Hu, Yunsong; Wu, Jinlun; Zeng, Chenghui; Yang, Yangyi; Ng, Seik Weng; Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology 15 (2016) 744–751; doi:10.1039/c6pp00059b

data_1543204
_publ_section_title
;
 A new luminescent lanthanide supramolecular network possessing free Lewis
 base sites for highly selective and sensitive Cu(2+) sensing.
;
_journal_issue                   6
_journal_name_full
'Photochemical &amp; photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology'
_journal_page_first              744
_journal_page_last               751
_journal_paper_doi               10.1039/c6pp00059b
_journal_volume                  15
_journal_year                    2016
_chemical_formula_moiety
'[Eu2 (H2 O)11 (C7 H3 Cl2 O3)3], 3(C7 H3 Cl2 O3), 4(H2 O)'
_chemical_formula_sum            'C42 H48 Cl12 Eu2 O33'
_chemical_formula_weight         1810.12
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2014-09-04 deposited with the CCDC.
2016-04-26 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 97.612(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.2593(2)
_cell_length_b                   32.8268(6)
_cell_length_c                   16.8592(3)
_cell_measurement_temperature    100(2)
_cell_volume                     6176.36(19)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0297
_diffrn_reflns_av_sigmaI/netI    0.0338
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       39
_diffrn_reflns_limit_k_min       -34
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            35200
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.44
_exptl_absorpt_coefficient_mu    2.624
_exptl_crystal_density_diffrn    1.947
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             3576
_exptl_crystal_preparation       Luminescent
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: water/isopropanol'
_refine_diff_density_max         2.834
_refine_diff_density_min         -0.950
_refine_diff_density_rms         0.127
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.694
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     808
_refine_ls_number_reflns         10871
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.694
_refine_ls_R_factor_all          0.0464
_refine_ls_R_factor_gt           0.0401
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0461P)^2^+145.6333P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0939
_refine_ls_wR_factor_ref         0.0978
_reflns_number_gt                9760
_reflns_number_total             10871
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6pp00059b2.cif
_cod_data_source_block           1
_cod_depositor_comments
'Adding full bibliography for 1543204--1543206.cif.'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               1543204