A "turn-on" lanthanide complex chemosensor for recognition of lead(ii) based on the formation of nanoparticles.
Xu, Benhua; Tang, Xiaoliang; Zhou, Ji'an; Chen, Wanmin; Liu, Haile; Ju, Zhenghua; Liu, Weisheng; Dalton transactions (Cambridge, England : 2003) 45 (2016) 18859–18866; doi:10.1039/c6dt02835g

data_7040457
_publ_section_title
;
 A &quot;turn-on&quot; lanthanide complex chemosensor for recognition of
 lead(ii) based on the formation of nanoparticles.
;
_journal_issue                   47
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              18859
_journal_page_last               18866
_journal_paper_doi               10.1039/c6dt02835g
_journal_volume                  45
_journal_year                    2016
_chemical_formula_sum            'C20 H31 N8 O13 Tb'
_chemical_formula_weight         750.45
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_block_doi                 10.5517/ccdc.csd.cc1kvv5f
_audit_creation_method           SHELXL-97
_audit_update_record
;
2016-08-19 deposited with the CCDC.
2016-08-23 downloaded from the CCDC.
;
_cell_angle_alpha                105.942(4)
_cell_angle_beta                 106.788(4)
_cell_angle_gamma                100.777(4)
_cell_formula_units_Z            2
_cell_length_a                   9.520(5)
_cell_length_b                   12.602(7)
_cell_length_c                   13.527(7)
_cell_measurement_reflns_used    7118
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.05
_cell_measurement_theta_min      2.33
_cell_volume                     1430.0(13)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0237
_diffrn_reflns_av_unetI/netI     0.0372
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            10288
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         2.33
_exptl_absorpt_coefficient_mu    2.549
_exptl_absorpt_correction_T_max  0.9436
_exptl_absorpt_correction_T_min  0.9210
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.743
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             752
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.682
_refine_diff_density_min         -1.262
_refine_diff_density_rms         0.097
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.011
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     391
_refine_ls_number_reflns         5238
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.011
_refine_ls_R_factor_all          0.0303
_refine_ls_R_factor_gt           0.0258
_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^)+(0.0450P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0671
_refine_ls_wR_factor_ref         0.0698
_reflns_number_gt                4770
_reflns_number_total             5238
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6dt02835g2.cif
_cod_data_source_block           1455765
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4268 2015-11-12 08:31:59Z antanas 

 Adding full bibliography for 7040456--7040457.cif.
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7040457