A series of homonuclear lanthanide coordination polymers based on a fluorescent conjugated ligand: syntheses, luminescence and sensor for pollutant chromate anion
Feng, Xun; Li, Rongfang; Wang, Liya; Ng, Seik Weng; Qin, Guozhan; Ma, Lufang; CrystEngComm 17 (2015) 7878–; doi:10.1039/C5CE01454A

data_7222122
_publ_section_title
;
 A series of homonuclear lanthanide coordination polymers based on a
 fluorescent conjugated ligand: syntheses, luminescence and sensor for
 pollutant chromate anion
;
_journal_issue                   41
_journal_name_full               CrystEngComm
_journal_page_first              7878
_journal_paper_doi               10.1039/C5CE01454A
_journal_volume                  17
_journal_year                    2015
_chemical_formula_sum            'C21 H12 Eu N O9'
_chemical_formula_weight         574.28
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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
;
2015-07-13 deposited with the CCDC.
2015-09-11 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 114.0860(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   18.3160(14)
_cell_length_b                   12.2002(9)
_cell_length_c                   9.5032(7)
_cell_measurement_temperature    293(2)
_cell_volume                     1938.7(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_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  0.0233
_diffrn_reflns_av_sigmaI/netI    0.0291
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            5806
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         2.07
_exptl_absorpt_coefficient_mu    3.293
_exptl_absorpt_correction_T_max  0.687
_exptl_absorpt_correction_T_min  0.334
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.968
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1120
_refine_diff_density_max         1.096
_refine_diff_density_min         -0.764
_refine_diff_density_rms         0.159
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.133
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     150
_refine_ls_number_reflns         2208
_refine_ls_number_restraints     96
_refine_ls_restrained_S_all      1.205
_refine_ls_R_factor_all          0.0320
_refine_ls_R_factor_gt           0.0298
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0479P)^2^+9.0227P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0854
_refine_ls_wR_factor_ref         0.0870
_reflns_number_gt                2070
_reflns_number_total             2208
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ce01454a2.cif
_cod_data_source_block           eu
_cod_depositor_comments
'Adding full bibliography for 7222120--7222125.cif.'
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7222122