Construction of NIR luminescent polynuclear lanthanide-based nanoclusters with sensing properties towards metal ions.
Chen, Hongfen; Yang, Xiaoping; Jiang, Dongmei; Shi, Dongliang; Zhang, Lijie; Dalton transactions (Cambridge, England : 2003) 47 (2018) 13880–13886; doi:10.1039/c8dt03308k

data_7047492
_publ_section_title
;
 Construction of NIR luminescent polynuclear lanthanide-based nanoclusters
 with sensing properties towards metal ions.
;
_journal_issue                   39
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              13880
_journal_page_last               13886
_journal_paper_doi               10.1039/c8dt03308k
_journal_volume                  47
_journal_year                    2018
_chemical_formula_sum            'C68 H62 Er2 N4 O25 Zn2'
_chemical_formula_weight         1800.48
_chemical_name_systematic        Cluster-2
_chemical_properties_physical    Heat-sensitive
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2018-08-07 deposited with the CCDC.
2018-09-10 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 100.928(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   18.4138(6)
_cell_length_b                   20.8671(8)
_cell_length_c                   22.3967(9)
_cell_measurement_reflns_used    7532
_cell_measurement_temperature    190(1)
_cell_measurement_theta_max      27.5093
_cell_measurement_theta_min      1.3175
_cell_volume                     8449.7(5)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      190(1)
_diffrn_detector_area_resol_mean 13.6612
_diffrn_measured_fraction_theta_full 0.956
_diffrn_measured_fraction_theta_max 0.956
_diffrn_measurement_device_type  'Mercury2 (2x2 bin mode)'
_diffrn_measurement_method       dtprofit.ref
_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  0.1414
_diffrn_reflns_av_sigmaI/netI    0.1202
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_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            26551
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.86
_exptl_absorpt_coefficient_mu    2.596
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.7255
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'DENZO and Scalepack (Otwinoski and Minor, 1997)'
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.415
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             3576
_exptl_crystal_preparation       Luminescent
_exptl_crystal_recrystallization_method 'Vapour deposition'
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.05
_refine_diff_density_max         3.771
_refine_diff_density_min         -3.562
_refine_diff_density_rms         0.325
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.170
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     919
_refine_ls_number_reflns         14219
_refine_ls_number_restraints     620
_refine_ls_restrained_S_all      1.162
_refine_ls_R_factor_all          0.2123
_refine_ls_R_factor_gt           0.0989
_refine_ls_shift/su_max          0.013
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.2000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2006
_refine_ls_wR_factor_ref         0.2399
_reflns_number_gt                8109
_reflns_number_total             14219
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c8dt03308k2.cif
_cod_data_source_block           cluster-2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/home/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.

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/home/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 4973 2017-02-22 13:04:09Z antanas 

 Adding full bibliography for 7047490--7047492.cif.
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7047492