Constructing Ultraporous Covalent Organic Frameworks in Seconds via an Organic Terracotta Process.
Karak, Suvendu; Kandambeth, Sharath; Biswal, Bishnu P.; Sasmal, Himadri Sekhar; Kumar, Sushil; Pachfule, Pradip; Banerjee, Rahul; Journal of the American Chemical Society 139 (2017) 1856–1862; doi:10.1021/jacs.6b08815

data_4125499
_publ_section_title
;
 Constructing Ultraporous Covalent Organic Frameworks in Seconds via an
 Organic Terracotta Process.
;
_journal_issue                   5
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              1856
_journal_page_last               1862
_journal_paper_doi               10.1021/jacs.6b08815
_journal_volume                  139
_journal_year                    2017
_chemical_formula_moiety         'C14 H18 N2 O2, 2(C7 H7 O3 S)'
_chemical_formula_sum            'C28 H32 N2 O8 S2'
_chemical_formula_weight         588.68
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.000(5)
_cell_angle_beta                 101.570(5)
_cell_angle_gamma                90.000(5)
_cell_formula_units_Z            4
_cell_length_a                   21.814(5)
_cell_length_b                   5.665(5)
_cell_length_c                   23.078(5)
_cell_measurement_reflns_used    2467
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      66.58
_cell_measurement_theta_min      3.98
_cell_volume                     2794(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0880
_diffrn_reflns_av_sigmaI/netI    0.0590
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            14085
_diffrn_reflns_theta_full        66.58
_diffrn_reflns_theta_max         66.58
_diffrn_reflns_theta_min         3.91
_exptl_absorpt_coefficient_mu    2.184
_exptl_absorpt_correction_T_max  0.6817
_exptl_absorpt_correction_T_min  0.6222
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.399
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1240
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.339
_refine_diff_density_min         -0.328
_refine_diff_density_rms         0.085
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.069
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     181
_refine_ls_number_reflns         2467
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.069
_refine_ls_R_factor_all          0.0920
_refine_ls_R_factor_gt           0.0655
_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^)+(0.0000P)^2^+22.1807P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1200
_refine_ls_wR_factor_ref         0.1301
_reflns_number_gt                1914
_reflns_number_total             2467
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            ja6b08815_si_002.cif
_cod_data_source_block           PTSA-BD-OMe2
_cod_depositor_comments
'Adding full bibliography for 4125492--4125502.cif.'
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4125499