Coordination-directed one-dimensional coordination polymers generated from a new oxadiazole bridging ligand and Hg<i>X</i>~2~ (<i>X</i> = Cl, Br and I)
Yang, Rui; Ma, Jian-Ping; Huang, Ru-Qi; Dong, Yu-Bin; Acta Crystallographica Section C 67 (2011) m176–m180; doi:10.1107/S0108270111016246

data_2018113
_publ_section_title
;
 Coordination-directed one-dimensional coordination polymers generated
 from a new oxadiazole bridging ligand and Hg<i>X</i>~2~ (<i>X</i> =
 Cl, Br and I)
;
_journal_coeditor_code           SQ3288
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              m176
_journal_page_last               m180
_journal_paper_doi               10.1107/S0108270111016246
_journal_volume                  67
_journal_year                    2011
_chemical_formula_iupac          'C28 H24 N4 O3'
_chemical_formula_moiety         'C28 H24 N4 O3'
_chemical_formula_sum            'C28 H24 N4 O3'
_chemical_formula_weight         464.51
_chemical_name_systematic
;
2,5-bis{5-methyl-2-[(4-pyridyl)methoxy]phenyl}-1,3,4-oxadiazole
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 98.766(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.479(4)
_cell_length_b                   11.452(4)
_cell_length_c                   16.776(6)
_cell_measurement_reflns_used    2175
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      22.293
_cell_measurement_theta_min      2.161
_cell_volume                     2369.4(14)
_computing_cell_refinement       'SMART (Bruker, 2003)'
_computing_data_collection       'SMART (Bruker, 2003)'
_computing_data_reduction        'SAINT (Bruker, 2003)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker SMART CCD area-detector'
_diffrn_measurement_method       '\f and \w'
_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  0.0323
_diffrn_reflns_av_sigmaI/netI    0.0406
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            12163
_diffrn_reflns_theta_full        25.49
_diffrn_reflns_theta_max         25.49
_diffrn_reflns_theta_min         1.90
_exptl_absorpt_coefficient_mu    0.087
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.302
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             976
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.170
_refine_diff_density_min         -0.168
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.023
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     318
_refine_ls_number_reflns         4420
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.023
_refine_ls_R_factor_all          0.0873
_refine_ls_R_factor_gt           0.0534
_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^)+(0.0690P)^2^+0.0818P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1229
_refine_ls_wR_factor_ref         0.1413
_reflns_number_gt                2887
_reflns_number_total             4420
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            sq3288.cif
_cod_data_source_block           I
_cod_original_sg_symbol_Hall     -P2yn
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2018113
_cod_database_fobs_code          2018113