Structural diversity and photoluminescence properties of zinc coordination polymers constructed from 1,4-bis[2-(4-pyridyl)ethenyl]-2,3,5,6-tetramethylbenzene and para-dicarboxylates
Ge, Yu; Li, Ni-Ya; Ma, Wei; Liu, Dong; Tang, Xiao-Yan; CrystEngComm 16 (2014) 10949–; doi:10.1039/C4CE01635A

data_7218227
_publ_section_title
;
 Structural diversity and photoluminescence properties of zinc
 coordination polymers constructed from
 1,4-bis[2-(4-pyridyl)ethenyl]-2,3,5,6-tetramethylbenzene and
 para-dicarboxylates
;
_journal_issue                   48
_journal_name_full               CrystEngComm
_journal_page_first              10949
_journal_paper_doi               10.1039/C4CE01635A
_journal_volume                  16
_journal_year                    2014
_chemical_formula_moiety         'C26 H20 N O5 Zn'
_chemical_formula_sum            'C26 H20 N O5 Zn'
_chemical_formula_weight         491.82
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           98
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'I 4bw 2bw'
_symmetry_space_group_name_H-M   'I 41 2 2'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   16.260(3)
_cell_length_b                   16.260(3)
_cell_length_c                   16.549(3)
_cell_measurement_temperature    223(2)
_cell_volume                     4375.4(14)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    Diamond
_computing_publication_material  'SHELXTL and PLATON (Spek, 2009)'
_computing_structure_refinement  SHELXTL
_computing_structure_solution    'SHELXTL (Sheldrick, 2008)'
_diffrn_ambient_temperature      223(2)
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.984
_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  0.0349
_diffrn_reflns_av_sigmaI/netI    0.0321
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            5713
_diffrn_reflns_theta_full        25.04
_diffrn_reflns_theta_max         25.04
_diffrn_reflns_theta_min         1.76
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.162
_exptl_absorpt_correction_T_max  0.8450
_exptl_absorpt_correction_T_min  0.8009
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs, (Sheldrick 2001)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.493
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2024
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.364
_refine_diff_density_min         -0.263
_refine_diff_density_rms         0.063
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.00
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.052
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     161
_refine_ls_number_reflns         1898
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0487
_refine_ls_R_factor_gt           0.0421
_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^)+(0.0742P)^2^+1.6355P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1117
_refine_ls_wR_factor_ref         0.1189
_reflns_number_gt                1679
_reflns_number_total             1898
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ce01635a2.cif
_cod_data_source_block           4
_cod_depositor_comments
'Adding full bibliography for 7218224--7218228.cif.'
_cod_original_cell_volume        4375.4(18)
_cod_database_code               7218227