A comparative study of the effect of functional groups on C2H2 adsorption in NbO-type metal‒organic frameworks
Chen, Fengli; Bai, Dongjie; Wang, Xia; He, Yabing; Inorganic Chemistry Frontiers 4 (2017) 960–; doi:10.1039/C7QI00063D

data_4349677
_publ_section_title
;
 A comparative study of the effect of functional groups on C2H2 adsorption
 in NbO-type metal--organic frameworks
;
_journal_issue                   6
_journal_name_full               'Inorganic Chemistry Frontiers'
_journal_page_first              960
_journal_paper_doi               10.1039/C7QI00063D
_journal_volume                  4
_journal_year                    2017
_chemical_formula_sum            'C22 H15 Cu2 N O10'
_chemical_formula_weight         580.43
_space_group_IT_number           166
_space_group_name_Hall           '-R 3 2"'
_space_group_name_H-M_alt        'R -3 m :H'
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_H-M   'R -3 m :H'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2017-01-23 deposited with the CCDC.
2017-03-30 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            9
_cell_length_a                   18.6153(7)
_cell_length_b                   18.6153(7)
_cell_length_c                   38.3750(13)
_cell_measurement_reflns_used    14559
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      73.91
_cell_measurement_theta_min      0.986
_cell_volume                     11516.5(7)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'Bruker SMART APEX II CCD area detector'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0277
_diffrn_reflns_av_sigmaI/netI    0.0171
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -46
_diffrn_reflns_number            14559
_diffrn_reflns_theta_full        73.91
_diffrn_reflns_theta_max         73.91
_diffrn_reflns_theta_min         3.46
_exptl_absorpt_coefficient_mu    1.261
_exptl_absorpt_correction_T_max  0.8532
_exptl_absorpt_correction_T_min  0.7433
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    0.753
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2628
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.13
_platon_squeeze_details
;
;
_refine_diff_density_max         1.086
_refine_diff_density_min         -0.378
_refine_diff_density_rms         0.079
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.130
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     103
_refine_ls_number_reflns         2816
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.131
_refine_ls_R_factor_all          0.0538
_refine_ls_R_factor_gt           0.0501
_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^)+(0.1091P)^2^+22.2311P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1762
_refine_ls_wR_factor_ref         0.1806
_reflns_number_gt                2483
_reflns_number_total             2816
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c7qi00063d2.cif
_cod_data_source_block           d
_cod_original_sg_symbol_H-M      R-3m
_cod_database_code               4349677