Shape-persistent pyrrole-based covalent organic cages: synthesis, structure and selective gas adsorption properties
Wang, Fei; Sikma, Eric; Duan, Zhiming; Sarma, Tridib; Lei, Chuanhu; Zhang, Zhan; Humphrey, Simon M.; Sessler, Jonathan L.; Chemical Communications  (2019) –; doi:10.1039/C9CC02490E

data_7123431
_publ_section_title
;
 Shape-persistent pyrrole-based covalent organic cages: synthesis,
 structure and selective gas adsorption properties
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/C9CC02490E
_journal_year                    2019
_chemical_formula_sum            'C84 H84 N12'
_chemical_formula_weight         1261.63
_space_group_crystal_system      trigonal
_space_group_IT_number           155
_space_group_name_Hall           'R 3 2"'
_space_group_name_H-M_alt        'R 3 2 :H'
_symmetry_space_group_name_Hall  'R 3 2"'
_symmetry_space_group_name_H-M   'R 3 2 :H'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2019-03-20 deposited with the CCDC.    2019-04-09 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            6
_cell_length_a                   16.3765(4)
_cell_length_b                   16.3765(4)
_cell_length_c                   61.2246(15)
_cell_measurement_reflns_used    11229
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      64.5300
_cell_measurement_theta_min      4.2440
_cell_volume                     14220.0(6)
_computing_cell_refinement       'CrysAlisPro 1.171.39.32a (Rigaku OD, 2017)'
_computing_data_collection       'CrysAlisPro 1.171.39.32a (Rigaku OD, 2017)'
_computing_data_reduction        'CrysAlisPro 1.171.39.32a (Rigaku OD, 2017)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.974
_diffrn_measurement_device_type  'XtaLAB AFC12 (RINC): Kappa dual home/near'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0603
_diffrn_reflns_av_unetI/netI     0.0289
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.974
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       76
_diffrn_reflns_limit_l_min       -71
_diffrn_reflns_number            47303
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.973
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         76.320
_diffrn_reflns_theta_min         3.435
_diffrn_source                   'fine-focus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    0.409
_exptl_absorpt_correction_T_max  0.898
_exptl_absorpt_correction_T_min  0.874
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.32a (Rigaku Oxford Diffraction, 2017)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    0.884
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             4032
_exptl_crystal_size_max          0.340
_exptl_crystal_size_mid          0.290
_exptl_crystal_size_min          0.270
_refine_diff_density_max         0.301
_refine_diff_density_min         -0.219
_refine_diff_density_rms         0.051
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0.0(11)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.991
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     294
_refine_ls_number_reflns         6410
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.992
_refine_ls_R_factor_all          0.1035
_refine_ls_R_factor_gt           0.0806
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1000P)^2^+15.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2201
_refine_ls_wR_factor_ref         0.2339
_reflns_Friedel_coverage         0.804
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.973
_reflns_number_gt                4133
_reflns_number_total             6410
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9cc02490e2.cif
_cod_data_source_block           exp_268_sq
_cod_original_cell_volume        14220.0(8)
_cod_database_code               7123431
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.874
_shelx_estimated_absorpt_t_max   0.898
_exptl_absorpt_special_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_shelx_res_checksum              13369
_shelx_fab_checksum              93679