A novel family of 3D photoluminescent lanthanide‒bta‒flexible MOFs constructed from 1,2,4,5-benzenetetracarboxylic acid and different spanning of dicarboxylate acid ligands
Hou, Ke-Ling; Bai, Feng-Ying; Xing, Yong-Heng; Wang, Jian-Ling; Shi, Zhan; CrystEngComm 13 (2011) 3884–; doi:10.1039/c0ce00707b

data_7205730
_publ_section_title
;
 A novel family of 3D photoluminescent lanthanide--bta--flexible MOFs
 constructed from 1,2,4,5-benzenetetracarboxylic acid and different
 spanning of dicarboxylate acid ligands
;
_journal_issue                   11
_journal_name_full               CrystEngComm
_journal_page_first              3884
_journal_paper_doi               10.1039/c0ce00707b
_journal_volume                  13
_journal_year                    2011
_chemical_formula_sum            'C16 H14 Eu2 O14'
_chemical_formula_weight         734.19
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 91.799(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   7.7869(19)
_cell_length_b                   7.2672(18)
_cell_length_c                   17.370(4)
_cell_measurement_reflns_used    2533
_cell_measurement_temperature    273(2)
_cell_measurement_theta_max      29.09
_cell_measurement_theta_min      2.83
_cell_volume                     982.5(4)
_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      273(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker SMART APEX'
_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  0.0275
_diffrn_reflns_av_sigmaI/netI    0.0318
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            4760
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         2.83
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    6.402
_exptl_absorpt_correction_T_max  0.6810
_exptl_absorpt_correction_T_min  0.4056
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.482
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       spicule
_exptl_crystal_F_000             696
_exptl_crystal_size_max          0.17
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.535
_refine_diff_density_min         -0.787
_refine_diff_density_rms         0.146
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.079
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     153
_refine_ls_number_reflns         1736
_refine_ls_number_restraints     8
_refine_ls_restrained_S_all      1.079
_refine_ls_R_factor_all          0.0256
_refine_ls_R_factor_gt           0.0214
_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^)+(0.0248P)^2^+0.1701P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0519
_refine_ls_wR_factor_ref         0.0539
_reflns_number_gt                1526
_reflns_number_total             1736
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0ce00707b.txt
_cod_data_source_block           1e
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1555 2011-01-17 13:19:09Z saulius 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7205730