Highly chemical and thermally stable luminescent EuxTb1-x MOF materials for broad-range pH and temperature sensors
Yun-Hu Han; Chong-Bin Tian; Qiao-Hong Li; Shao-Wu Du; Journal of Materials Chemistry C 2 (2014) 8065–8070; doi:10.1039/C4TC01336K

data_7233854
_publ_section_title
;
 Highly chemical and thermally stable luminescent EuxTb1-x MOF materials
 for broad-range pH and temperature sensors
;
_journal_name_full               'Journal of Materials Chemistry C'
_journal_page_first              8065
_journal_page_last               8070
_journal_paper_doi               10.1039/C4TC01336K
_journal_volume                  2
_journal_year                    2014
_chemical_formula_sum            'C20 H17 N4 O14 Tb2'
_chemical_formula_weight         855.22
_space_group_IT_number           33
_space_group_name_Hall           'P 2c -2n'
_space_group_name_H-M_alt        'P n a 21'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_H-M   'P n a 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.149(2)
_cell_length_b                   6.6803(12)
_cell_length_c                   29.165(5)
_cell_measurement_reflns_used    6189
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.4855
_cell_measurement_theta_min      2.6011
_cell_volume                     2561.8(7)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.972
_diffrn_measured_fraction_theta_max 0.972
_diffrn_measurement_device_type  CCD
_diffrn_measurement_method       CCD_Profile_fitting
_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  0.0343
_diffrn_reflns_av_sigmaI/netI    0.0410
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       37
_diffrn_reflns_limit_l_min       -37
_diffrn_reflns_number            18155
_diffrn_reflns_theta_full        27.52
_diffrn_reflns_theta_max         27.52
_diffrn_reflns_theta_min         2.79
_exptl_absorpt_coefficient_mu    5.555
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.6269
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    2.217
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             1628
_exptl_crystal_size_max          0.2000
_exptl_crystal_size_mid          0.2000
_exptl_crystal_size_min          0.2000
_refine_diff_density_max         1.879
_refine_diff_density_min         -1.975
_refine_diff_density_rms         0.205
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.47(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.083
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     415
_refine_ls_number_reflns         5452
_refine_ls_number_restraints     253
_refine_ls_restrained_S_all      1.100
_refine_ls_R_factor_all          0.0511
_refine_ls_R_factor_gt           0.0442
_refine_ls_shift/su_max          0.111
_refine_ls_shift/su_mean         0.011
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0394P)^2^+23.9292P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0995
_refine_ls_wR_factor_ref         0.1035
_reflns_number_gt                4612
_reflns_number_total             5452
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            1000002.cif
_cod_data_source_block           PCOD1000002
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'Multi-scan' was
changed to 'multi-scan' in accordance with the built-in table derived
from the CIF Core dictionary named 'cif_core.dic' version 2.4.5 last
updated on 2014-11-21.

data item '_symmetry_cell_setting' value 'ORTHORHOMBIC' was changed
to 'orthorhombic' in accordance with the built-in table derived from
the CIF Core dictionary named 'cif_core.dic' version 2.4.5 last
updated on 2014-11-21.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_cell_volume        2561.8(8)
_cod_original_sg_symbol_H-M      Pna21
_cod_database_code               7233854