Structures and properties of lanthanide metal-organic frameworks based on a 1,2,3-triazole-containing tetracarboxylate ligand.
Sun, Libo; Li, Yi; Liang, Zhiqiang; Yu, Jihong; Xu, Ruren; Dalton transactions (Cambridge, England : 2003) 41 (2012) 12790–12796; doi:10.1039/c2dt31717f

data_7020489
_publ_section_title
;
 Structures and properties of lanthanide metal-organic frameworks based on
 a 1,2,3-triazole-containing tetracarboxylate ligand.
;
_journal_issue                   41
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              12790
_journal_page_last               12796
_journal_paper_doi               10.1039/c2dt31717f
_journal_volume                  41
_journal_year                    2012
_chemical_formula_sum            'C18 H21 La N3 O14.48'
_chemical_formula_weight         650.05
_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                 112.06(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.779(2)
_cell_length_b                   21.445(4)
_cell_length_c                   10.395(2)
_cell_measurement_temperature    293(2)
_cell_volume                     2227.0(9)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_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  0.0469
_diffrn_reflns_av_sigmaI/netI    0.0460
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            20800
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         3.00
_exptl_absorpt_coefficient_mu    2.003
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.315
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   Process-auto
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.939
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1292
_exptl_crystal_size_max          0.236
_exptl_crystal_size_mid          0.180
_exptl_crystal_size_min          0.158
_refine_diff_density_max         0.824
_refine_diff_density_min         -0.644
_refine_diff_density_rms         0.107
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.004
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     331
_refine_ls_number_reflns         5068
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.004
_refine_ls_R_factor_all          0.0411
_refine_ls_R_factor_gt           0.0312
_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^)+(0.0389P)^2^+2.2573P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0731
_refine_ls_wR_factor_ref         0.0773
_reflns_number_gt                4177
_reflns_number_total             5068
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt31717f.txt
_cod_data_source_block           la
_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_cell_volume        2227.0(8)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7020489