New multidentate ligands for supramolecular coordination chemistry: double and triple helical complexes of ligands containing pyridyl and thiazolyl donor units
Rice, Craig R.; Wörl, Stefan; Jeffery, John C.; Paul, Rowena L.; Ward, Michael D.; Journal of the Chemical Society, Dalton Transactions  (2001) 550–; doi:10.1039/b007922g

data_7702466
_publ_section_title
;
 New multidentate ligands for supramolecular coordination chemistry:
 double and triple helical complexes of ligands containing pyridyl and
 thiazolyl donor units
;
_journal_issue                   5
_journal_name_full
'Journal of the Chemical Society, Dalton Transactions'
_journal_page_first              550
_journal_paper_doi               10.1039/b007922g
_journal_year                    2001
_chemical_formula_sum            'C52 H42 Cl4 N16 O24 S6 Zn2'
_chemical_formula_weight         1739.92
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_cell_setting           monoclinic
_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                 99.357(19)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.329(3)
_cell_length_b                   23.158(3)
_cell_length_c                   22.379(3)
_cell_measurement_temperature    173(2)
_cell_volume                     6816(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device       'Siemens SMART Area Detector'
_diffrn_measurement_method
'\w rotation with narrow frames (0.3 degrees)'_diffrn_detector_area_resol_mean  ? '
_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  0.0251
_diffrn_reflns_av_sigmaI/netI    0.0344
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -30
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            21828
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         1.76
_exptl_absorpt_coefficient_mu    1.135
_exptl_absorpt_correction_T_max  0.71
_exptl_absorpt_correction_T_min  0.50
_exptl_absorpt_correction_type   'Empirical, pseudo-azimuthal scan (SADABS)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.696
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3528
_exptl_crystal_size_max          0.6
_exptl_crystal_size_mid          0.45
_exptl_crystal_size_min          0.3
_refine_diff_density_max         1.918
_refine_diff_density_min         -1.155
_refine_diff_density_rms         0.133
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.078
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     515
_refine_ls_number_reflns         7794
_refine_ls_number_restraints     189
_refine_ls_restrained_S_all      1.120
_refine_ls_R_factor_all          0.0971
_refine_ls_R_factor_gt           0.0772
_refine_ls_shift/su_max          0.041
_refine_ls_shift/su_mean         0.006
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1852P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2483
_refine_ls_wR_factor_ref         0.2630
_reflns_number_gt                5451
_reflns_number_total             7794
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b007922g.txt
_cod_data_source_block           inxs0
_cod_original_cell_volume        6815.9(19)
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7702466