New Zn(ii) coordination polymers with 1,3-bis(4-pyridyl)-propane: syntheses, crystal structures and properties
Zheng, Yue-Qing; Zhang, Jie; Liu, Ji-Yong; CrystEngComm 12 (2010) 2740–; doi:10.1039/b927448k

data_7212425
_publ_section_title
;
 New Zn(ii) coordination polymers with 1,3-bis(4-pyridyl)-propane:
 syntheses, crystal structures and properties
;
_journal_issue                   10
_journal_name_full               CrystEngComm
_journal_page_first              2740
_journal_paper_doi               10.1039/b927448k
_journal_volume                  12
_journal_year                    2010
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C17 H14 N2 O4 Zn'
_chemical_formula_sum            'C17 H14 N2 O4 Zn'
_chemical_formula_weight         375.68
_chemical_name_systematic
;
?
;
_space_group_IT_number           20
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'C 2c 2'
_symmetry_space_group_name_H-M   'C 2 2 21'
_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                   10.504(2)
_cell_length_b                   15.411(3)
_cell_length_c                   20.264(4)
_cell_measurement_reflns_used    16103
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.42
_cell_measurement_theta_min      3.09
_cell_volume                     3280.3(11)
_computing_cell_refinement       RAPID-AUTO
_computing_data_collection       'RAPID-AUTO (Rigaku, 1998)'
_computing_data_reduction        'CrystalStructure (Rigaku/MSC, 2004)'
_computing_molecular_graphics    'SHELXTL (Bruker, 1997)'
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      295(2)
_diffrn_detector_area_resol_mean 0
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Rigaku R-AXIS RAPID'
_diffrn_measurement_method       '\w 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  0.0686
_diffrn_reflns_av_sigmaI/netI    0.0623
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            16103
_diffrn_reflns_theta_full        27.42
_diffrn_reflns_theta_max         27.42
_diffrn_reflns_theta_min         3.09
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.486
_exptl_absorpt_correction_T_max  0.731
_exptl_absorpt_correction_T_min  0.622
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'ABSCOR (Higashi, 1995)'
_exptl_crystal_colour            block
_exptl_crystal_density_diffrn    1.521
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Colorless
_exptl_crystal_F_000             1536
_exptl_crystal_size_max          0.37
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.21
_refine_diff_density_max         0.462
_refine_diff_density_min         -0.450
_refine_diff_density_rms         0.062
_refine_ls_abs_structure_details 'Flack (1983), 1646 Friedel pairs'
_refine_ls_abs_structure_Flack   0.018(16)
_refine_ls_extinction_coef       0.00000
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.068
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     218
_refine_ls_number_reflns         3725
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.068
_refine_ls_R_factor_all          0.0822
_refine_ls_R_factor_gt           0.0416
_refine_ls_shift/su_max          0.019
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0283P)^2^+1.6547P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0698
_refine_ls_wR_factor_ref         0.0886
_reflns_number_gt                2423
_reflns_number_total             3725
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b927448k.txt
_cod_data_source_block           4
_cod_original_cell_volume        3280.4(11)
_cod_original_sg_symbol_H-M      C2221
_cod_database_code               7212425