1-D helical chain, 2-D layered network and 3-D porous lanthanide‒organic frameworks based on multiple coordination sites of benzimidazole-5,6-dicarboxylic acid: synthesis, crystal structure, photoluminescence and thermal stability
Wang, Ping; Fan, Rui-Qing; Yang, Yu-Lin; Liu, Xin-Rong; Xiao, Peng; Li, Xin-Yu; Hasi, Wuliji; Cao, Wen-Wu; CrystEngComm 15 (2013) 4489–; doi:10.1039/c3ce40184g

data_7210141
_publ_section_title
;
 1-D helical chain, 2-D layered network and 3-D porous lanthanide--organic
 frameworks based on multiple coordination sites of
 benzimidazole-5,6-dicarboxylic acid: synthesis, crystal structure,
 photoluminescence and thermal stability
;
_journal_issue                   22
_journal_name_full               CrystEngComm
_journal_page_first              4489
_journal_paper_doi               10.1039/c3ce40184g
_journal_volume                  15
_journal_year                    2013
_chemical_formula_sum            'C18 H21 Gd N4 O14'
_chemical_formula_weight         674.64
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 94.84(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.227(2)
_cell_length_b                   8.9820(18)
_cell_length_c                   23.119(5)
_cell_measurement_reflns_used    22175
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.99
_cell_volume                     2323.0(8)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    SHELXP-97
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker Smart APEX 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  0.0372
_diffrn_reflns_av_sigmaI/netI    0.0304
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            22175
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         2.99
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.936
_exptl_absorpt_correction_T_max  0.7558
_exptl_absorpt_correction_T_min  0.5000
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.929
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1332
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.704
_refine_diff_density_min         -0.745
_refine_diff_density_rms         0.115
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.797
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     334
_refine_ls_number_reflns         5323
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.797
_refine_ls_R_factor_all          0.0320
_refine_ls_R_factor_gt           0.0274
_refine_ls_shift/su_max          0.015
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0906
_refine_ls_wR_factor_ref         0.0962
_reflns_number_gt                4720
_reflns_number_total             5323
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ce40184g.txt
_cod_data_source_block           2
_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      'P2(1)/c '
_cod_database_code               7210141