CFA-18: a homochiral metal-organic framework (MOF) constructed from rigid enantiopure bistriazolate linker molecules.
Knippen, Katharina; Bredenkötter, Björn; Kanschat, Lisa; Kraft, Maryana; Vermeyen, Tom; Herrebout, Wouter; Sugimoto, Kunihisa; Bultinck, Patrick; Volkmer, Dirk; Dalton transactions (Cambridge, England : 2003) 49 (2020) 15758–15768; doi:10.1039/d0dt02847a

data_7706257
_publ_section_title
;
 CFA-18: a homochiral metal-organic framework (MOF) constructed from rigid
 enantiopure bistriazolate linker molecules.
;
_journal_issue                   44
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              15758
_journal_page_last               15768
_journal_paper_doi               10.1039/d0dt02847a
_journal_volume                  49
_journal_year                    2020
_chemical_formula_sum            'C21 H22 N2 O6'
_chemical_formula_weight         398.40
_space_group_crystal_system      orthorhombic
_space_group_IT_number           18
_space_group_name_Hall           'P 2 2ab'
_space_group_name_H-M_alt        'P 21 21 2'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2020-10-05 deposited with the CCDC.	2020-10-29 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   9.7978(3)
_cell_length_b                   12.4501(4)
_cell_length_c                   7.9839(3)
_cell_measurement_reflns_used    4300
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      68.042
_cell_measurement_theta_min      4.513
_cell_volume                     973.90(6)
_computing_cell_refinement       'SAINT V8.27B (Bruker AXS Inc., 2012)'
_computing_data_collection       'Bruker Instrument Service v3.0.25'
_computing_data_reduction        'SAINT V8.27B (Bruker AXS Inc., 2012)'
_computing_molecular_graphics    'Mercury, Diamond'
_computing_publication_material  Word
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2014/4 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'Bruker D8 Venture'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0228
_diffrn_reflns_av_unetI/netI     0.0224
_diffrn_reflns_Laue_measured_fraction_full 0.987
_diffrn_reflns_Laue_measured_fraction_max 0.987
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            5274
_diffrn_reflns_point_group_measured_fraction_full 0.979
_diffrn_reflns_point_group_measured_fraction_max 0.979
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         68.036
_diffrn_reflns_theta_min         5.541
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.836
_exptl_absorpt_correction_T_max  0.7530
_exptl_absorpt_correction_T_min  0.6834
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2014/5 (Bruker AXS Inc.)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.359
_exptl_crystal_description       'block crystal'
_exptl_crystal_F_000             420
_exptl_crystal_size_max          0.07
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.186
_refine_diff_density_min         -0.140
_refine_diff_density_rms         0.036
_refine_ls_abs_structure_details
;
 Flack x determined using 669 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.02(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.089
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     135
_refine_ls_number_reflns         1751
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.089
_refine_ls_R_factor_all          0.0328
_refine_ls_R_factor_gt           0.0310
_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^)+(0.0433P)^2^+0.2011P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0783
_refine_ls_wR_factor_ref         0.0796
_reflns_Friedel_coverage         0.677
_reflns_Friedel_fraction_full    0.968
_reflns_Friedel_fraction_max     0.967
_reflns_number_gt                1679
_reflns_number_total             1751
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0dt02847a2.cif
_cod_data_source_block           cu_BB2_0ma_a
_cod_database_code               7706257
_shelx_shelxl_version_number     2018/3
_shelx_res_checksum              64859