A series of metal‒organic frameworks based on polydentate Schiff-base ligands derived from benzil dihydrazone: synthesis, crystal structures and luminescent properties
Bai, Yan; Gao, Hui; Dang, Dong-Bin; Guo, Xiang-Yang; An, Bing; Shang, Wei-Li; CrystEngComm 12 (2010) 1422–; doi:10.1039/b919813j

data_7212111
_publ_section_title
;
 A series of metal--organic frameworks based on polydentate Schiff-base
 ligands derived from benzil dihydrazone: synthesis, crystal structures
 and luminescent properties
;
_journal_issue                   5
_journal_name_full               CrystEngComm
_journal_page_first              1422
_journal_paper_doi               10.1039/b919813j
_journal_volume                  12
_journal_year                    2010
_chemical_formula_sum            'C28 H26 Ag N7 O4'
_chemical_formula_weight         632.43
_chemical_name_systematic
;
?
;
_space_group_IT_number           9
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 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                 96.672(19)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.162(9)
_cell_length_b                   13.554(9)
_cell_length_c                   17.423(13)
_cell_measurement_reflns_used    2249
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      20.77
_cell_measurement_theta_min      2.26
_cell_volume                     2853(4)
_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  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega'
_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  0.0264
_diffrn_reflns_av_sigmaI/netI    0.0341
_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       21
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            7763
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.26
_exptl_absorpt_coefficient_mu    0.752
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.473
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1288
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.445
_refine_diff_density_min         -0.372
_refine_diff_density_rms         0.044
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.24(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.978
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     398
_refine_ls_number_reflns         3681
_refine_ls_number_restraints     14
_refine_ls_restrained_S_all      0.976
_refine_ls_R_factor_all          0.0688
_refine_ls_R_factor_gt           0.0416
_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^)+(0.0710P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1065
_refine_ls_wR_factor_ref         0.1182
_reflns_number_gt                2491
_reflns_number_total             3681
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b919813j.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_cell_volume        2853(3)
_cod_original_sg_symbol_H-M      'Cc '
_cod_database_code               7212111