Acentric and chiral four-connected metal‒organic frameworks based on the racemic binaphthol-like chiral ligand of 4-(1-H(or methyl)-imidaozol-1-yl)benzoic acid
Cui, Ke-Hui; Yao, Shi-Yan; Li, Hai-Qin; Li, Yan-Tao; Zhao, Hai-Ping; Jiang, Chun-Jie; Tian, Yun-Qi; CrystEngComm 13 (2011) 3432–; doi:10.1039/c0ce00789g

data_7215297
_publ_section_title
;
 Acentric and chiral four-connected metal--organic frameworks based on the
 racemic binaphthol-like chiral ligand of 4-(1-H(or
 methyl)-imidaozol-1-yl)benzoic acid
;
_journal_issue                   10
_journal_name_full               CrystEngComm
_journal_page_first              3432
_journal_paper_doi               10.1039/c0ce00789g
_journal_volume                  13
_journal_year                    2011
_chemical_formula_moiety         'C20 H14 N4 O4 Zn'
_chemical_formula_sum            'C20 H14 N4 O4 Zn'
_chemical_formula_weight         439.72
_chemical_name_systematic
;
?
;
_space_group_IT_number           95
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P 4cw 2c'
_symmetry_space_group_name_H-M   'P 43 2 2'
_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                   8.0674(4)
_cell_length_b                   8.0674(4)
_cell_length_c                   28.0367(6)
_cell_measurement_reflns_used    79
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      30.85
_cell_measurement_theta_min      1.52
_cell_volume                     1824.71(13)
_computing_cell_refinement       'SAINT (Bruker, 1999)'
_computing_data_collection       'SMART (Bruker, 1997)'
_computing_data_reduction        SAINT
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'omega 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  0.0699
_diffrn_reflns_av_sigmaI/netI    0.0501
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -34
_diffrn_reflns_number            9881
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.88
_diffrn_reflns_theta_min         2.52
_exptl_absorpt_coefficient_mu    1.383
_exptl_absorpt_correction_T_max  0.86
_exptl_absorpt_correction_T_min  0.78
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2000)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.601
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             896
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.264
_refine_diff_density_min         -0.711
_refine_diff_density_rms         0.071
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.01(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.007
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     132
_refine_ls_number_reflns         1771
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.007
_refine_ls_R_factor_all          0.0706
_refine_ls_R_factor_gt           0.0435
_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^)+(0.0591P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1008
_refine_ls_wR_factor_ref         0.1141
_reflns_number_gt                1273
_reflns_number_total             1771
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0ce00789g.txt
_cod_data_source_block           2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_exptl_absorpt_correction_type' value 'MULTI-SCAN'
changed to 'multi-scan' according to
/usr/data/users/saulius/automatic-downloads/retrospective/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      P4(3)22
_cod_database_code               7215297