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_4349681
_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            'C23 H16 Cu2 O10'
_chemical_formula_weight         579.44
_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                   18.6166(7)
_cell_length_b                   18.6166(7)
_cell_length_c                   38.6451(14)
_cell_measurement_reflns_used    65985
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.01
_cell_measurement_theta_min      1.00
_cell_volume                     11599.1(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 1.000
_diffrn_measured_fraction_theta_max 1.000
_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           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1541
_diffrn_reflns_av_sigmaI/netI    0.0646
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       45
_diffrn_reflns_limit_l_min       -45
_diffrn_reflns_number            65985
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         1.37
_exptl_absorpt_coefficient_mu    0.850
_exptl_absorpt_correction_T_max  0.8759
_exptl_absorpt_correction_T_min  0.8483
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    0.747
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2628
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.16
_platon_squeeze_details
;
;
_refine_diff_density_max         0.727
_refine_diff_density_min         -0.525
_refine_diff_density_rms         0.156
_refine_ls_extinction_coef       0.00058(10)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.090
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     92
_refine_ls_number_reflns         2512
_refine_ls_number_restraints     18
_refine_ls_restrained_S_all      1.094
_refine_ls_R_factor_all          0.0832
_refine_ls_R_factor_gt           0.0577
_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^)+(0.1117P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1814
_refine_ls_wR_factor_ref         0.1926
_reflns_number_gt                1806
_reflns_number_total             2512
_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               4349681