Syntheses, structures, and photoluminescent properties of a series of metal‒organic frameworks constructed by 5,5′-bis(1H-imidazol-1-yl)-2,2′-bithiophene and various carboxylate ligands
Shi, Zhi-Qiang; Li, Yi-Zhi; Guo, Zi-Jian; Zheng, He-Gen; CrystEngComm 16 (2014) 900–; doi:10.1039/c3ce41966e

data_7213888
_publ_section_title
;
 Syntheses, structures, and photoluminescent properties of a series of
 metal--organic frameworks constructed by
 5,5&#x2032;-bis(1H-imidazol-1-yl)-2,2&#x2032;-bithiophene and various
 carboxylate ligands
;
_journal_issue                   5
_journal_name_full               CrystEngComm
_journal_page_first              900
_journal_paper_doi               10.1039/c3ce41966e
_journal_volume                  16
_journal_year                    2014
_chemical_formula_moiety         'C24 H24 N4 O4 S2 Zn'
_chemical_formula_sum            'C24 H24 N4 O4 S2 Zn'
_chemical_formula_weight         561.96
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_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                 121.819(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.4879(10)
_cell_length_b                   20.6148(19)
_cell_length_c                   15.5100(11)
_cell_measurement_reflns_used    1573
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      18.93
_cell_measurement_theta_min      2.49
_cell_volume                     2849.4(5)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_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      296(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and 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  0.0138
_diffrn_reflns_av_sigmaI/netI    0.0759
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            17968
_diffrn_reflns_theta_full        27.10
_diffrn_reflns_theta_max         27.10
_diffrn_reflns_theta_min         1.83
_exptl_absorpt_coefficient_mu    1.042
_exptl_absorpt_correction_T_max  0.8594
_exptl_absorpt_correction_T_min  0.7590
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.310
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1160
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.429
_refine_diff_density_min         -0.445
_refine_diff_density_rms         0.095
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.092
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     327
_refine_ls_number_reflns         6271
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.092
_refine_ls_R_factor_all          0.0672
_refine_ls_R_factor_gt           0.0512
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0566P)^2^+0.1000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1348
_refine_ls_wR_factor_ref         0.1367
_reflns_number_gt                3850
_reflns_number_total             6271
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ce41966e.txt
_cod_data_source_block           7
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/automatic-downloads/current/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_cell_volume        2849.4(4)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7213888