Axially chiral metal‒organic frameworks produced from spontaneous resolution with an achiral pyridyl dicarboxylate ligand
Tan, Xin; Zhan, Jixian; Zhang, Jianyong; Jiang, Long; Pan, Mei; Su, Cheng-Yong; CrystEngComm 14 (2012) 63–; doi:10.1039/c1ce05995e

data_7207106
_publ_section_title
;
 Axially chiral metal--organic frameworks produced from spontaneous
 resolution with an achiral pyridyl dicarboxylate ligand
;
_journal_issue                   1
_journal_name_full               CrystEngComm
_journal_page_first              63
_journal_paper_doi               10.1039/c1ce05995e
_journal_volume                  14
_journal_year                    2012
_chemical_formula_sum            'C13 H11 N O6 Zn'
_chemical_formula_weight         342.60
_chemical_name_systematic
;
?
;
_space_group_IT_number           169
_symmetry_cell_setting           hexagonal
_symmetry_space_group_name_Hall  'P 61'
_symmetry_space_group_name_H-M   'P 61'
_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                120.00
_cell_formula_units_Z            6
_cell_length_a                   10.2723(4)
_cell_length_b                   10.2723(4)
_cell_length_c                   20.4692(9)
_cell_measurement_temperature    298(2)
_cell_volume                     1870.54(13)
_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      298(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_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  0.0293
_diffrn_reflns_av_sigmaI/netI    0.0550
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            5821
_diffrn_reflns_theta_full        27.46
_diffrn_reflns_theta_max         27.46
_diffrn_reflns_theta_min         3.03
_exptl_absorpt_coefficient_mu    1.999
_exptl_absorpt_correction_T_max  0.6906
_exptl_absorpt_correction_T_min  0.6906
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.825
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1044
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.343
_refine_diff_density_min         -0.296
_refine_diff_density_rms         0.078
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.013(12)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.123
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     190
_refine_ls_number_reflns         2703
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.123
_refine_ls_R_factor_all          0.0323
_refine_ls_R_factor_gt           0.0262
_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^)+(0.0070P)^2^+0.3368P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0539
_refine_ls_wR_factor_ref         0.0635
_reflns_number_gt                2499
_reflns_number_total             2703
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1ce05995e.txt
_cod_data_source_block           P-Zn
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Hexagonal' changed to 'hexagonal'
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 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P6(1)
_cod_database_code               7207106