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_4104190
_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            'C8 H12 Cu N3'
_chemical_formula_weight         213.75
_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                   19.6972(9)
_cell_length_b                   19.6972(9)
_cell_length_c                   14.2478(8)
_cell_measurement_temperature    293(2)
_cell_volume                     4787.3(4)
_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  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  0.0469
_diffrn_reflns_av_sigmaI/netI    0.0561
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            5595
_diffrn_reflns_theta_full        25.98
_diffrn_reflns_theta_max         25.98
_diffrn_reflns_theta_min         1.86
_exptl_absorpt_coefficient_mu    2.007
_exptl_absorpt_correction_T_max  0.7528
_exptl_absorpt_correction_T_min  0.6338
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.335
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1980
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.566
_refine_diff_density_min         -0.485
_refine_diff_density_rms         0.093
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.021
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     111
_refine_ls_number_reflns         2091
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.021
_refine_ls_R_factor_all          0.0617
_refine_ls_R_factor_gt           0.0510
_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^)+(0.0469P)^2^+15.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1104
_refine_ls_wR_factor_ref         0.1182
_reflns_number_gt                1719
_reflns_number_total             2091
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja8089872_si_004.cif
_cod_data_source_block           MAF-2-C2H2-293K
_cod_original_sg_symbol_H-M      R-3
_cod_database_code               4104190