Tuning the porosity of lanthanide MOFs with 2,5-pyrazinedicarboxylate and the first in situ hydrothermal carboxyl transfer
Cai, Bin; Yang, Ping; Dai, Jing-Wei; Wu, Jian-Zhong; CrystEngComm 13 (2011) 985–; doi:10.1039/c0ce00340a

data_7205305
_publ_section_title
;
 Tuning the porosity of lanthanide MOFs with 2,5-pyrazinedicarboxylate
 and the first in situ hydrothermal carboxyl transfer
;
_journal_issue                   3
_journal_name_full               CrystEngComm
_journal_page_first              985
_journal_paper_doi               10.1039/c0ce00340a
_journal_volume                  13
_journal_year                    2011
_chemical_formula_moiety         'C9 H9 N3 O9 Tb'
_chemical_formula_sum            'C9 H9 N3 O9 Tb'
_chemical_formula_weight         462.11
_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                 119.371(9)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.9955(14)
_cell_length_b                   18.987(4)
_cell_length_c                   12.101(3)
_cell_measurement_reflns_used    3804
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      28.27
_cell_measurement_theta_min      2.21
_cell_volume                     1200.5(5)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_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  0.0421
_diffrn_reflns_av_sigmaI/netI    0.0439
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            6404
_diffrn_reflns_theta_full        25.98
_diffrn_reflns_theta_max         25.98
_diffrn_reflns_theta_min         2.15
_exptl_absorpt_coefficient_mu    5.951
_exptl_absorpt_correction_T_max  0.7551
_exptl_absorpt_correction_T_min  0.4494
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Bruker(2002)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.557
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             884
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.272
_refine_diff_density_min         -1.255
_refine_diff_density_rms         0.175
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     199
_refine_ls_number_reflns         2339
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.0324
_refine_ls_R_factor_gt           0.0281
_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^)+(0.0338P)^2^+0.6224P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0641
_refine_ls_wR_factor_ref         0.0660
_reflns_number_gt                2106
_reflns_number_total             2339
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            C0CE00340A.TXT
_cod_data_source_block           2-Tb
_cod_original_sg_symbol_Hall     '-P 2ybc '
_cod_original_sg_symbol_H-M      'P 21/c '
_cod_database_code               7205305