Five diverse bivalent metal coordination polymers based on benzene dicarboxylate and bent dipyridyl ligands: syntheses, structures, and photoluminescent properties
Maity, Dilip Kumar; Bhattacharya, Biswajit; Mondal, Rajarshi; Ghoshal, Debajyoti; CrystEngComm 16 (2014) 8896–; doi:10.1039/C4CE00966E

data_7217259
_publ_section_title
;
 Five diverse bivalent metal coordination polymers based on benzene
 dicarboxylate and bent dipyridyl ligands: syntheses, structures, and
 photoluminescent properties
;
_journal_issue                   37
_journal_name_full               CrystEngComm
_journal_page_first              8896
_journal_paper_doi               10.1039/C4CE00966E
_journal_volume                  16
_journal_year                    2014
_chemical_formula_sum            'C20 H14 N4 O4 Zn'
_chemical_formula_weight         439.72
_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                 111.595(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   19.0040(4)
_cell_length_b                   6.60430(10)
_cell_length_c                   15.8025(4)
_cell_measurement_reflns_used    250
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      2.3
_cell_volume                     1844.13(7)
_computing_cell_refinement       'SMART APEX II'
_computing_data_collection       'SMART APEX II (Bruker,2010)'
_computing_data_reduction        'SAINT (Bruker,2000)'
_computing_molecular_graphics    'Ortep-3v2 for windows (Farrugia, 1997)'
_computing_publication_material  'PLATON (Spek, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_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  0.0279
_diffrn_reflns_av_sigmaI/netI    0.0205
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            14437
_diffrn_reflns_theta_full        27.51
_diffrn_reflns_theta_max         27.51
_diffrn_reflns_theta_min         2.31
_exptl_absorpt_coefficient_mu    1.368
_exptl_absorpt_correction_T_max  0.9437
_exptl_absorpt_correction_T_min  0.8349
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
'XPREP' - A PROGRAM DATA PREPARATION & RECIPROCAL 
SPACE EXPLORATION,
Bruker Analytical X-ray Systems, 1997
;
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.584
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             896
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.410
_refine_diff_density_min         -0.267
_refine_diff_density_rms         0.064
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.091
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     132
_refine_ls_number_reflns         2112
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.091
_refine_ls_R_factor_all          0.0364
_refine_ls_R_factor_gt           0.0316
_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^)+(0.0505P)^2^+1.3481P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0879
_refine_ls_wR_factor_ref         0.0907
_reflns_number_gt                1897
_reflns_number_total             2112
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c4ce00966e2.cif
_cod_data_source_block           DG3
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/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 

 Adding full bibliography for 7217257--7217261.cif.
;
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7217259