Synthesis and Characterization of Diverse Coordination Polymers. Linear and Zigzag Chains Involving Their Structural Transformation via Intermolecular Hydrogen-Bonded, Interpenetrating Ladders Polycatenane, and Noninterpenetrating Square Grid from Long, Rigid N,N'-Bidentate Ligands: 1,4-Bis[(x-pyridyl)ethynyl]benzene (x= 3 and 4)
Md. Badruz Zaman; Konstantin Udachin; John A. Ripmeester; Mark D. Smith; Hans-Conrad zur Loye; Inorganic Chemistry 44 (2005) 5047–5059; doi:10.1021/ic050080d

data_4309179
_publ_section_title
;
Synthesis and Characterization of Diverse Coordination Polymers. Linear and
Zigzag Chains Involving Their Structural Transformation via Intermolecular
Hydrogen-Bonded, Interpenetrating Ladders Polycatenane, and
Noninterpenetrating Square Grid from Long, Rigid N,N'-Bidentate Ligands:
1,4-Bis[(x-pyridyl)ethynyl]benzene (x= 3 and 4)
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5047
_journal_page_last               5059
_journal_paper_doi               10.1021/ic050080d
_journal_volume                  44
_journal_year                    2005
_chemical_formula_moiety
; 
Cd (C20H12N2)2 (NO3)2 
;
_chemical_formula_sum            'C40 H24 Cd N6 O6'
_chemical_formula_weight         797.05
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-I 2ya'
_symmetry_space_group_name_H-M   'I 1 2/a 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                 100.201(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.3706(10)
_cell_length_b                   20.3114(18)
_cell_length_c                   15.2401(19)
_cell_measurement_reflns_used    5564
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      24.988
_cell_measurement_theta_min      2.716
_cell_volume                     3464.1(6)
_computing_cell_refinement       'SAINT+ NT V6.02a (Bruker, 1998)'
_computing_data_collection       'SMART NT V5.619 (Bruker, 2000)'
_computing_data_reduction        'SAINT+ NT V6.02a'
_computing_molecular_graphics    'SHELXTL V5.1 (Sheldrick, 1997)'
_computing_publication_material  'SHELXTL V5.1'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker SMART APEX CCD diffractometer'
_diffrn_measurement_method       '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  0.0361
_diffrn_reflns_av_sigmaI/netI    0.0383
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            10187
_diffrn_reflns_theta_full        25.04
_diffrn_reflns_theta_max         25.04
_diffrn_reflns_theta_min         1.69
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    0.689
_exptl_absorpt_correction_T_max  0.9743
_exptl_absorpt_correction_T_min  0.8649
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS, Bruker, 1997)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.528
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1608
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.04
_refine_diff_density_max         1.186
_refine_diff_density_min         -0.545
_refine_diff_density_rms         0.090
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.063
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     242
_refine_ls_number_reflns         3076
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.0482
_refine_ls_R_factor_gt           0.0396
_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^)+(0.0683P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1037
_refine_ls_wR_factor_ref         0.1074
_reflns_number_gt                2633
_reflns_number_total             3076
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic050080dsi20050119_032607_7.cif
_cod_data_source_block           compound-7_i2a
_cod_original_sg_symbol_H-M      'I 2/a'
_cod_database_code               4309179