Homochiral porous metal‒organic frameworks containing only achiral building blocks for enantioselective separation
Zhang, Hai-Xia; Wang, Fei; Tan, Yan-Xi; Kang, Yao; Zhang, Jian; Journal of Materials Chemistry 22 (2012) 16288–; doi:10.1039/c2jm33269h

data_7208428
_publ_section_title
;
 Homochiral porous metal--organic frameworks containing only achiral
 building blocks for enantioselective separation
;
_journal_issue                   32
_journal_name_full               'Journal of Materials Chemistry'
_journal_page_first              16288
_journal_paper_doi               10.1039/c2jm33269h
_journal_volume                  22
_journal_year                    2012
_chemical_formula_sum            'C26 H23 Co2 N4 O9.5'
_chemical_formula_weight         661.34
_chemical_name_systematic
;
?
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.2690(17)
_cell_length_b                   13.382(2)
_cell_length_c                   25.592(4)
_cell_measurement_reflns_used    12752
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.4971
_cell_measurement_theta_min      2.3621
_cell_volume                     3859.3(10)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean none
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0318
_diffrn_reflns_av_sigmaI/netI    0.0416
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            30673
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         2.36
_diffrn_standards_decay_%        none
_diffrn_standards_interval_count none
_diffrn_standards_interval_time  none
_diffrn_standards_number         none
_exptl_absorpt_coefficient_mu    0.904
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.8635
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            Red
_exptl_crystal_density_diffrn    1.138
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             1348
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.682
_refine_diff_density_min         -0.445
_refine_diff_density_rms         0.086
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.002(11)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.112
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     397
_refine_ls_number_reflns         8749
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.112
_refine_ls_R_factor_all          0.0338
_refine_ls_R_factor_gt           0.0326
_refine_ls_shift/su_max          0.016
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0654P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1043
_refine_ls_wR_factor_ref         0.1052
_reflns_number_gt                8376
_reflns_number_total             8749
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2jm33269h.txt
_cod_data_source_block           1_2-butanol
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'Multi-scan'
changed to 'multi-scan' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_cell_volume        3859.4(10)
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_original_formula_sum        'C26 H23 Co2 N4 O9.50'
_cod_database_code               7208428