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_7205297
_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         '2(C7 H6 N2 O8 Sm), 10(H O0.50)'
_chemical_formula_sum            'C14 H30 N4 O25 Sm2'
_chemical_formula_weight         955.12
_chemical_name_systematic
;
?
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                68.931(2)
_cell_angle_beta                 80.960(2)
_cell_angle_gamma                76.689(2)
_cell_formula_units_Z            1
_cell_length_a                   6.1139(12)
_cell_length_b                   9.9830(19)
_cell_length_c                   13.413(3)
_cell_measurement_reflns_used    1601
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      25.35
_cell_measurement_theta_min      2.28
_cell_volume                     740.9(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.984
_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  0.0223
_diffrn_reflns_av_sigmaI/netI    0.0519
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            3789
_diffrn_reflns_theta_full        25.20
_diffrn_reflns_theta_max         25.20
_diffrn_reflns_theta_min         1.63
_exptl_absorpt_coefficient_mu    4.032
_exptl_absorpt_correction_T_max  0.6654
_exptl_absorpt_correction_T_min  0.4574
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Bruker(2002)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.141
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             466
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.11
_refine_diff_density_max         1.450
_refine_diff_density_min         -0.896
_refine_diff_density_rms         0.165
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.987
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     208
_refine_ls_number_reflns         2625
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.987
_refine_ls_R_factor_all          0.0464
_refine_ls_R_factor_gt           0.0374
_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^)+(0.0471P)^2^+1.6567P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0839
_refine_ls_wR_factor_ref         0.0867
_reflns_number_gt                2286
_reflns_number_total             2625
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            C0CE00340A.TXT
_cod_data_source_block           1-Sm
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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 
;
_cod_database_code               7205297