Syntheses, structures, and photoluminescent properties of ten metal‒organic frameworks constructed by a flexible tetracarboxylate ligand
He, Xiang; Lu, Xiao-Peng; Ju, Zhan-Feng; Li, Chun-Ju; Zhang, Qi-Kai; Li, Ming-Xing; CrystEngComm 15 (2013) 2731–; doi:10.1039/c3ce26864k

data_7210699
_publ_section_title
;
 Syntheses, structures, and photoluminescent properties of ten
 metal--organic frameworks constructed by a flexible tetracarboxylate
 ligand
;
_journal_issue                   14
_journal_name_full               CrystEngComm
_journal_page_first              2731
_journal_paper_doi               10.1039/c3ce26864k
_journal_volume                  15
_journal_year                    2013
_chemical_formula_moiety         'C12 H11 O7 Zn'
_chemical_formula_sum            'C24 H22 O14 Zn2'
_chemical_formula_weight         665.16
_chemical_name_systematic
;
?
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 105.8440(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   20.334(2)
_cell_length_b                   15.2784(16)
_cell_length_c                   8.0062(9)
_cell_measurement_temperature    296(2)
_cell_volume                     2392.8(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0385
_diffrn_reflns_av_sigmaI/netI    0.0521
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -7
_diffrn_reflns_number            7421
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.69
_exptl_absorpt_coefficient_mu    2.084
_exptl_absorpt_correction_T_max  0.9213
_exptl_absorpt_correction_T_min  0.9030
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick,1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.846
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1352
_exptl_crystal_size_max          0.05
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.552
_refine_diff_density_min         -0.629
_refine_diff_density_rms         0.093
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.899
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     181
_refine_ls_number_reflns         2755
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.899
_refine_ls_R_factor_all          0.0658
_refine_ls_R_factor_gt           0.0404
_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^)+(0.0777P)^2^+3.9381P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1087
_refine_ls_wR_factor_ref         0.1287
_reflns_number_gt                1947
_reflns_number_total             2755
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ce26864k.txt
_cod_data_source_block           3
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7210699