Synthesis, Crystal Structure, and Photoluminescence of a Series of Zinc(II) Coordination Polymers with 1,4-Di(1H-imidazol-4-yl)benzene and Varied Carboxylate Ligands
Chen, Shui-Sheng; Fan, Jian; Okamura, Taka-aki; Chen, Man-Sheng; Su, Zhi; Sun, Wei-Yin; Ueyama, Norikazu; Crystal Growth & Design 10 (2010) 812–; doi:10.1021/cg9011857

data_4502429
_publ_section_title
;
 Synthesis, Crystal Structure, and Photoluminescence of a Series of
 Zinc(II) Coordination Polymers with 1,4-Di(1H-imidazol-4-yl)benzene and
 Varied Carboxylate Ligands
;
_journal_issue                   2
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              812
_journal_paper_doi               10.1021/cg9011857
_journal_volume                  10
_journal_year                    2010
_chemical_formula_moiety         'C20 H14 N4 O4 Zn'
_chemical_formula_sum            'C20 H14 N4 O4 Zn'
_chemical_formula_weight         439.72
_chemical_name_systematic
; 
[Zn(L)(pbda)]
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      15
_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_date             2009-04-16
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 106.445(16)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.773(7)
_cell_length_b                   7.371(4)
_cell_length_c                   13.609(5)
_cell_measurement_reflns_used    6752
_cell_measurement_temperature    200
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      3.0
_cell_volume                     1709.9(13)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      200
_diffrn_detector_area_resol_mean 10.00
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Rigaku RAXIS-RAPID'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0232
_diffrn_reflns_av_sigmaI/netI    0.0181
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            7801
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.01
_exptl_absorpt_coefficient_mu    1.475
_exptl_absorpt_correction_T_max  0.7568
_exptl_absorpt_correction_T_min  0.7093
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
    Higashi, T. (1995). Program for Absorption Correction.
    Rigaku Corporation, Tokyo, Japan.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.708
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             896
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.313
_refine_diff_density_min         -0.345
_refine_diff_density_rms         0.076
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.076
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     133
_refine_ls_number_reflns         1959
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.076
_refine_ls_R_factor_all          0.0238
_refine_ls_R_factor_gt           0.0227
_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^)+(0.0314P)^2^+1.9945P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0584
_refine_ls_wR_factor_ref         0.0591
_reflns_number_gt                1879
_reflns_number_total             1959
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            cg9011857_si_002.cif
_cod_data_source_block           4
_cod_original_cell_volume        1710.0(13)
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4502429