Conformational Effect of 2,6-Bis(imidazol-1-yl)pyridine on the Self-Assembly of 1D Coordination Chains: Spontaneous Resolution, Supramolecular Isomerism, and Structural Transformation
Chen, Chih-Yuan; Cheng, Pi-Yun; Wu, Hsin-Hsuan; Lee, Hon Man; Inorganic Chemistry 46 (2007) 5691–5699; doi:10.1021/ic700428e

data_4333256
_publ_section_title
;
 Conformational Effect of 2,6-Bis(imidazol-1-yl)pyridine on the
 Self-Assembly of 1D Coordination Chains:&#x00A0; Spontaneous Resolution,
 Supramolecular Isomerism, and Structural Transformation
;
_journal_issue                   14
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5691
_journal_page_last               5699
_journal_paper_doi               10.1021/ic700428e
_journal_volume                  46
_journal_year                    2007
_chemical_formula_moiety         '2(C11 H9 Cl2 N5 Zn), O'
_chemical_formula_sum            'C22 H18 Cl4 N10 O Zn2'
_chemical_formula_weight         711.00
_space_group_IT_number           152
_symmetry_cell_setting           rhombohedral
_symmetry_Int_Tables_number      152
_symmetry_space_group_name_Hall  'P 31 2"'
_symmetry_space_group_name_H-M   'P 31 2 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                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            3
_cell_length_a                   9.61650(10)
_cell_length_b                   9.61650(10)
_cell_length_c                   25.2979(4)
_cell_measurement_temperature    150(2)
_cell_volume                     2026.05(4)
_computing_cell_refinement       'APEX2 v1.0-22'
_computing_data_collection       'APEX2 v1.0-22 (Bruker, 2004)'
_computing_data_reduction        'APEX2 v1.0-22'
_computing_molecular_graphics    'SHELXTL 5.1'
_computing_publication_material  'SHELXTL 5.1'
_computing_structure_refinement  'SHELXTL 5.1'
_computing_structure_solution    'SHELXTL 5.1 (Sheldrick, 1998)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker SMART APEX II'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0160
_diffrn_reflns_av_sigmaI/netI    0.0287
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -34
_diffrn_reflns_number            9235
_diffrn_reflns_theta_full        28.69
_diffrn_reflns_theta_max         28.69
_diffrn_reflns_theta_min         2.42
_diffrn_source                   'fine-focus sealed tube'
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.210
_exptl_absorpt_correction_T_max  0.4606
_exptl_absorpt_correction_T_min  0.3851
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2.10 (Sheldrick, 2003)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.748
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1068
_exptl_crystal_size_max          0.48
_exptl_crystal_size_mid          0.43
_exptl_crystal_size_min          0.35
_refine_diff_density_max         0.793
_refine_diff_density_min         -0.875
_refine_diff_density_rms         0.072
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.002(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.025
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     177
_refine_ls_number_reflns         3463
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.0245
_refine_ls_R_factor_gt           0.0229
_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^)+(0.0363P)^2^+0.6444P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0627
_refine_ls_wR_factor_ref         0.0631
_reflns_number_gt                3298
_reflns_number_total             3463
_reflns_threshold_expression     I>2\s
_cod_data_source_file            ic700428esup1.cif
_cod_data_source_block           1b
_cod_original_cell_volume        2026.04(4)
_cod_database_code               4333256