Control of bulk homochirality and proton conductivity in isostructural chiral metal-organic frameworks.
Song, Bai-Qiao; Chen, Da-Qin; Ji, Zhenguo; Tang, Junhong; Wang, Xin-Long; Zang, Hong-Ying; Su, Zhong-Min; Chemical communications (Cambridge, England) 53 (2017) 1892–1895; doi:10.1039/c6cc07729c

data_7119277
_publ_section_title
;
 Control of bulk homochirality and proton conductivity in isostructural
 chiral metal-organic frameworks.
;
_journal_issue                   11
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              1892
_journal_page_last               1895
_journal_paper_doi               10.1039/c6cc07729c
_journal_volume                  53
_journal_year                    2017
_chemical_absolute_configuration known
_chemical_formula_moiety         'C18 H30 Cu4 N9 O6, NO3, 3H2O'
_chemical_formula_sum            'C18 H30 Cu4 N10 O12'
_chemical_formula_weight         832.68
_space_group_crystal_system      hexagonal
_space_group_IT_number           182
_space_group_name_Hall           'P 6c 2c'
_space_group_name_H-M_alt        'P 63 2 2'
_symmetry_space_group_name_Hall  'P 6c 2c'
_symmetry_space_group_name_H-M   'P 63 2 2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2016/6
_audit_update_record
;
2016-12-22 deposited with the CCDC.
2017-01-03 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            4
_cell_length_a                   19.6977(13)
_cell_length_b                   19.6977(13)
_cell_length_c                   13.8757(10)
_cell_measurement_reflns_used    3172
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      37.014
_cell_measurement_theta_min      4.776
_cell_volume                     4662.5(5)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (Bruker, 1997)'
_computing_data_reduction        'SAINT (Bruker, 1999)'
_computing_molecular_graphics    'Diamond (Brandenburg and Putz, 2008)'
_computing_publication_material  'SHELXL-2016/6 (Sheldrick, 2016)'
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_computing_structure_solution    'SHELXS-2016/6 (Sheldrick, 2016)'
_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 CCD area-detector'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0758
_diffrn_reflns_av_unetI/netI     0.0463
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            27099
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.067
_diffrn_reflns_theta_max         25.067
_diffrn_reflns_theta_min         1.194
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    1.847
_exptl_absorpt_correction_T_max  0.7321
_exptl_absorpt_correction_T_min  0.6653
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.186
_exptl_crystal_description       block
_exptl_crystal_F_000             1680
_exptl_crystal_size_max          0.240
_exptl_crystal_size_mid          0.180
_exptl_crystal_size_min          0.180
_refine_diff_density_max         0.592
_refine_diff_density_min         -0.321
_refine_diff_density_rms         0.072
_refine_ls_abs_structure_details
;
 Flack x determined using 542 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.06(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.006
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     113
_refine_ls_number_reflns         2785
_refine_ls_number_restraints     90
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.0782
_refine_ls_R_factor_gt           0.0566
_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^)+(0.0856P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1424
_refine_ls_wR_factor_ref         0.1507
_reflns_Friedel_coverage         0.680
_reflns_Friedel_fraction_full    0.999
_reflns_Friedel_fraction_max     0.999
_reflns_number_gt                1841
_reflns_number_total             2785
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6cc07729c2.cif
_cod_data_source_block           2M
_cod_depositor_comments
'Adding full bibliography for 7119274--7119277.cif.'
_cod_original_cell_volume        4662.5(7)
_cod_database_code               7119277
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_min   0.665
_shelx_estimated_absorpt_t_max   0.732
_shelx_res_checksum              17762
_shelx_hkl_checksum              27126
_shelx_fab_checksum              82795