Optimized Acetylene/Carbon Dioxide Sorption in a Dynamic Porous Crystal
Jie-Peng Zhang; Xiao-Ming Chen; Journal of the American Chemical Society 131 (2009) 5516–5521; doi:10.1021/ja8089872

data_4104200
_publ_section_title
;
 Optimized Acetylene/Carbon Dioxide Sorption in a Dynamic Porous Crystal
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              5516
_journal_page_last               5521
_journal_paper_doi               10.1021/ja8089872
_journal_volume                  131
_journal_year                    2009
_chemical_formula_sum            'C6.25 H10 Cu N3 O0.5'
_chemical_formula_weight         198.60
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           148
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  '-R 3'
_symmetry_space_group_name_H-M   'R -3 :H'
_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                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            18
_cell_length_a                   19.6828(17)
_cell_length_b                   19.6828(17)
_cell_length_c                   14.2050(12)
_cell_measurement_temperature    195(2)
_cell_volume                     4765.9(7)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      195(2)
_diffrn_measured_fraction_theta_full 0.971
_diffrn_measured_fraction_theta_max 0.971
_diffrn_measurement_device_type  CCD
_diffrn_measurement_method       '/w scan'
_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  0.0396
_diffrn_reflns_av_sigmaI/netI    0.0519
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            6153
_diffrn_reflns_theta_full        25.99
_diffrn_reflns_theta_max         25.99
_diffrn_reflns_theta_min         1.87
_exptl_absorpt_coefficient_mu    2.014
_exptl_absorpt_correction_T_max  0.6888
_exptl_absorpt_correction_T_min  0.6771
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.246
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1826
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.713
_refine_diff_density_min         -0.315
_refine_diff_density_rms         0.079
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.015
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     104
_refine_ls_number_reflns         2025
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.020
_refine_ls_R_factor_all          0.0461
_refine_ls_R_factor_gt           0.0381
_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^)+(0.0279P)^2^+18.5882P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0926
_refine_ls_wR_factor_ref         0.0987
_reflns_number_gt                1730
_reflns_number_total             2025
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja8089872_si_014.cif
_cod_data_source_block           MAF-2-CO2-0.25
_cod_original_sg_symbol_H-M      R-3
_cod_original_formula_sum        'C6.25 H10 Cu N3 O0.50'
_cod_database_code               4104200