A water stable europium coordination polymer as fluorescent sensor for detecting Fe3+, CrO42-, and Cr2O72- ions
Chen, Chen; Zhang, Xiaolei; Gao, Peng; Hu, Ming; Journal of Solid State Chemistry 258 (2018) 86–92; doi:10.1016/j.jssc.2017.10.004

data_1561220
_publ_section_title
;
 A water stable europium coordination polymer as fluorescent sensor for
 detecting Fe3+, CrO42-, and Cr2O72- ions
;
_journal_name_full               'Journal of Solid State Chemistry'
_journal_page_first              86
_journal_page_last               92
_journal_paper_doi               10.1016/j.jssc.2017.10.004
_journal_volume                  258
_journal_year                    2018
_chemical_formula_sum            'C24 H17 Cl Eu N3 O4'
_chemical_formula_weight         598.83
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_cell_angle_alpha                90
_cell_angle_beta                 130.949(5)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   22.2774(12)
_cell_length_b                   15.8024(7)
_cell_length_c                   16.8678(9)
_cell_measurement_reflns_used    3223
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      71.6730
_cell_measurement_theta_min      3.8340
_cell_volume                     4485.0(5)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Xcalibur, Eos, Gemini'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0605
_diffrn_reflns_av_unetI/netI     0.0699
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            12742
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        67.243
_diffrn_reflns_theta_max         67.243
_diffrn_reflns_theta_min         3.837
_exptl_absorpt_coefficient_mu    21.430
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.774
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2352
_exptl_crystal_size_max          0.090
_exptl_crystal_size_mid          0.090
_exptl_crystal_size_min          0.080
_refine_diff_density_max         1.904
_refine_diff_density_min         -1.351
_refine_diff_density_rms         0.196
_refine_ls_extinction_coef       .
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     299
_refine_ls_number_reflns         4016
_refine_ls_number_restraints     936
_refine_ls_restrained_S_all      0.965
_refine_ls_R_factor_all          0.0999
_refine_ls_R_factor_gt           0.0703
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1344P)^2^+53.7420P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2055
_refine_ls_wR_factor_ref         0.2328
_reflns_Friedel_coverage         0.000
_reflns_Friedel_fraction_full    .
_reflns_Friedel_fraction_max     .
_reflns_number_gt                2922
_reflns_number_total             4016
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            JSSC-2018-258-86.cif
_cod_data_source_block           exp_6857
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               1561220
_shelx_estimated_absorpt_t_min   0.249
_shelx_estimated_absorpt_t_max   0.279
_shelx_res_checksum              68215
_shelx_hkl_checksum              46243