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_7218226
_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 O4 Zn, 0.25(C2 H3 N)'
_chemical_formula_sum            'C26.5 H20.75 N1.25 O4 Zn'
_chemical_formula_weight         486.08
_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                 94.63(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   15.281(3)
_cell_length_b                   21.460(4)
_cell_length_c                   15.867(3)
_cell_measurement_temperature    223(2)
_cell_volume                     5186.3(17)
_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 0.993
_diffrn_measured_fraction_theta_max 0.993
_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  0.0333
_diffrn_reflns_av_sigmaI/netI    0.0309
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            17296
_diffrn_reflns_theta_full        25.05
_diffrn_reflns_theta_max         25.05
_diffrn_reflns_theta_min         1.64
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.977
_exptl_absorpt_correction_T_max  0.7716
_exptl_absorpt_correction_T_min  0.7582
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs, (Sheldrick 2001)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.245
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2004
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.28
_refine_diff_density_max         0.621
_refine_diff_density_min         -0.787
_refine_diff_density_rms         0.113
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     295
_refine_ls_number_reflns         4566
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0756
_refine_ls_R_factor_gt           0.0593
_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^)+(0.0878P)^2^+2.2935P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1533
_refine_ls_wR_factor_ref         0.1694
_reflns_number_gt                3655
_reflns_number_total             4566
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ce01635a2.cif
_cod_data_source_block           3
_cod_depositor_comments
'Adding full bibliography for 7218224--7218228.cif.'
_cod_original_cell_volume        5186.3(18)
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_original_formula_sum        'C26.50 H20.75 N1.25 O4 Zn'
_cod_database_code               7218226