Six new metal-organic frameworks with multi-carboxylic acids and imidazole-based spacers: syntheses, structures and properties.
Wang, Feng; Ke, Xiaohuan; Zhao, Jinbo; Deng, Kejian; Leng, Xiaoke; Tian, Zhengfang; Wen, Lili; Li, Dongfeng; Dalton transactions (Cambridge, England : 2003) 40 (2011) 11856–11865; doi:10.1039/c1dt11130b

data_7017353
_publ_section_title
;
 Six new metal-organic frameworks with multi-carboxylic acids and
 imidazole-based spacers: syntheses, structures and properties.
;
_journal_issue                   44
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              11856
_journal_page_last               11865
_journal_paper_doi               10.1039/c1dt11130b
_journal_volume                  40
_journal_year                    2011
_chemical_formula_sum            'C76 H78 N16 Ni2 O19'
_chemical_formula_weight         1636.96
_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                 97.26(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.9784(18)
_cell_length_b                   15.352(3)
_cell_length_c                   27.656(6)
_cell_measurement_temperature    293(2)
_cell_volume                     3781.4(14)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (Bruker, 2000)'
_computing_data_reduction        'SAINT (Bruker, 2000)'
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  SHELXTL
_computing_structure_solution    'SHELXTL (Bruker, 2000)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_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  0.0992
_diffrn_reflns_av_sigmaI/netI    0.0971
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            27433
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.99
_exptl_absorpt_coefficient_mu    0.581
_exptl_absorpt_correction_T_max  0.938
_exptl_absorpt_correction_T_min  0.913
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS; Bruker, 2000'
_exptl_crystal_colour            plate
_exptl_crystal_density_diffrn    1.438
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       green
_exptl_crystal_F_000             1708
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.723
_refine_diff_density_min         -0.882
_refine_diff_density_rms         0.086
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.384
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     546
_refine_ls_number_reflns         7345
_refine_ls_number_restraints     11
_refine_ls_restrained_S_all      1.383
_refine_ls_R_factor_all          0.1561
_refine_ls_R_factor_gt           0.1312
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0017P)^2^+14.0113P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1891
_refine_ls_wR_factor_ref         0.1974
_reflns_number_gt                6072
_reflns_number_total             7345
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1dt11130b.txt
_cod_data_source_block           5
_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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        3781.4(13)
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7017353