Double and triple stranded mesocates containing the bis(bidentate) bridging ligand 1,3-bis(pyridine-2-carboxamide)benzene. Structure, properties and DNA interaction
Palacios, MaAngeles; Rodríguez-Diéguez, Antonio; Sironi, Angelo; Herrera, Juan Manuel; Mota, Antonio J.; Moreno, Virtudes; Cano, Joan; Colacio, Enrique; New Journal of Chemistry 33 (2009) 1901–; doi:10.1039/b905330a

data_7051718
_publ_section_title
;
 Double and triple stranded mesocates containing the bis(bidentate)
 bridging ligand 1,3-bis(pyridine-2-carboxamide)benzene. Structure,
 properties and DNA interaction
;
_journal_issue                   9
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              1901
_journal_paper_doi               10.1039/b905330a
_journal_volume                  33
_journal_year                    2009
_chemical_formula_sum            'C54 H73 N13 O26 Zn2'
_chemical_formula_weight         1450.99
_chemical_name_systematic
;
?
;
_space_group_IT_number           176
_symmetry_cell_setting           hexagonal
_symmetry_space_group_name_Hall  '-P 6c'
_symmetry_space_group_name_H-M   'P 63/m'
_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            2
_cell_length_a                   13.645(2)
_cell_length_b                   13.645(2)
_cell_length_c                   22.394(1)
_cell_measurement_reflns_used    1813
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      19.210
_cell_measurement_theta_min      2.480
_cell_volume                     3610.8(8)
_computing_cell_refinement       'Bruker APEXII'
_computing_data_collection       'Bruker APEXII'
_computing_data_reduction        'Bruker APEXII'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_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  0.0770
_diffrn_reflns_av_sigmaI/netI    0.0344
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            13275
_diffrn_reflns_theta_full        19.52
_diffrn_reflns_theta_max         19.52
_diffrn_reflns_theta_min         1.95
_exptl_absorpt_coefficient_mu    0.747
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.783
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2004)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.335
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             1512
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.06
_platon_squeeze_details
;
;
_refine_diff_density_max         0.416
_refine_diff_density_min         -0.281
_refine_diff_density_rms         0.057
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.852
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     115
_refine_ls_number_reflns         1082
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.852
_refine_ls_R_factor_all          0.0765
_refine_ls_R_factor_gt           0.0606
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.2000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1894
_refine_ls_wR_factor_ref         0.2060
_reflns_number_gt                863
_reflns_number_total             1082
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b905330a.txt
_cod_data_source_block           2
_cod_depositor_comments
;
The following automatic conversions were performed:
'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_cell_volume        3610.8(4)
_cod_original_sg_symbol_H-M      P63/m
_cod_database_code               7051718