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_7706253
_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_absolute_configuration rm
_chemical_formula_sum            'C21 H22 N6'
_chemical_formula_weight         358.44
_space_group_crystal_system      trigonal
_space_group_IT_number           152
_space_group_name_Hall           'P 31 2"'
_space_group_name_H-M_alt        'P 31 2 1'
_atom_sites_solution_hydrogens   difmap
_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                120
_cell_formula_units_Z            3
_cell_length_a                   9.0638(3)
_cell_length_b                   9.0638(3)
_cell_length_c                   22.3036(9)
_cell_measurement_reflns_used    6739
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.037
_cell_measurement_theta_min      2.595
_cell_volume                     1586.81(10)
_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 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker D8 Venture'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0922
_diffrn_reflns_av_unetI/netI     0.0472
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            17089
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        25.037
_diffrn_reflns_theta_max         25.037
_diffrn_reflns_theta_min         2.595
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.070
_exptl_absorpt_correction_T_max  0.7452
_exptl_absorpt_correction_T_min  0.6241
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2014/5 (Bruker AXS Inc.)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.125
_exptl_crystal_description       needle
_exptl_crystal_F_000             570
_exptl_crystal_size_max          0.07
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.182
_refine_diff_density_min         -0.208
_refine_diff_density_rms         0.049
_refine_ls_abs_structure_details
;
 Flack x determined using 552 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.6(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.130
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     167
_refine_ls_number_reflns         1877
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.130
_refine_ls_R_factor_all          0.0680
_refine_ls_R_factor_gt           0.0540
_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^)+(0.0372P)^2^+0.7735P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0994
_refine_ls_wR_factor_ref         0.1038
_reflns_Friedel_coverage         0.667
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     1.000
_reflns_number_gt                1613
_reflns_number_total             1877
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0dt02847a2.cif
_cod_data_source_block           mo_LK61_0m
_cod_original_cell_volume        1586.81(12)
_cod_database_code               7706253
_shelx_shelxl_version_number     2018/3
_shelx_res_checksum              6305