Protonation effect on ligands in EuL: a luminescent switcher for fast naked-eye detection of HCl.
Zhang, Jun; Yang, Wen-Bin; Wu, Xiao-Yuan; Kuang, Xiao-Fei; Lu, Can-Zhong; Dalton transactions (Cambridge, England : 2003) 44 (2015) 13586–13591; doi:10.1039/c5dt01791b

data_7035462
_publ_section_title
;
 Protonation effect on ligands in EuL: a luminescent switcher for fast
 naked-eye detection of HCl.
;
_journal_issue                   30
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              13586
_journal_page_last               13591
_journal_paper_doi               10.1039/c5dt01791b
_journal_volume                  44
_journal_year                    2015
_chemical_formula_sum            'C30 H19 Eu N6 O10'
_chemical_formula_weight         775.47
_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
;
2015-06-11 deposited with the CCDC.
2015-06-16 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 104.960(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   17.4550(11)
_cell_length_b                   17.5918(9)
_cell_length_c                   19.7955(11)
_cell_measurement_reflns_used    8867
_cell_measurement_temperature    100.00(13)
_cell_measurement_theta_max      29.1820
_cell_measurement_theta_min      2.7760
_cell_volume                     5872.5(6)
_computing_cell_refinement       'CrysAlisPro, Agilent Technologies'
_computing_data_collection       'CrysAlisPro, Agilent Technologies'
_computing_data_reduction        'CrysAlisPro, Agilent Technologies'
_computing_molecular_graphics    SHELXL
_computing_publication_material  SHELXL
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100.00(13)
_diffrn_detector_area_resol_mean 10.3503
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Atlas'
_diffrn_measurement_method       '\w scans'
_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  0.0463
_diffrn_reflns_av_unetI/netI     0.0501
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            14157
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         2.42
_exptl_absorpt_coefficient_mu    2.207
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.59754
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.34 (release 22-05-2014 CrysAlis171 .NET)
(compiled May 22 2014,16:03:01)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.754
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             3072
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         3.612
_refine_diff_density_min         -1.514
_refine_diff_density_rms         0.196
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     424
_refine_ls_number_reflns         5163
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0593
_refine_ls_R_factor_gt           0.0520
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0733P)^2^+104.1585P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1453
_refine_ls_wR_factor_ref         0.1498
_reflns_number_gt                4487
_reflns_number_total             5163
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5dt01791b2.cif
_cod_data_source_block           a
_cod_depositor_comments
'Adding full bibliography for 7035462--7035464.cif.'
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7035462