Triple-Stranded Helicates of Zinc(II) and Cadmium(II) Involving a New Redox-Active Multiring Nitrogenous Heterocyclic Ligand: Synthesis, Structure, and Electrochemical and Photophysical Properties
Nabanita Kundu; Sk Md Towsif Abtab; Sanchita Kundu; Akira Endo; Simon J. Teat; Muktimoy Chaudhury; Inorganic Chemistry 51 (2012) 2652–2661; doi:10.1021/ic202595p

data_4328443
_publ_section_title
;
 Triple-Stranded Helicates of Zinc(II) and Cadmium(II) Involving a New
 Redox-Active Multiring Nitrogenous Heterocyclic Ligand: Synthesis,
 Structure, and Electrochemical and Photophysical Properties
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              2652
_journal_page_last               2661
_journal_paper_doi               10.1021/ic202595p
_journal_volume                  51
_journal_year                    2012
_chemical_formula_sum            'C26 H18 F6 N6 O6 S2'
_chemical_formula_weight         688.58
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 98.553(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   5.3667(8)
_cell_length_b                   17.057(3)
_cell_length_c                   15.106(2)
_cell_measurement_temperature    296(2)
_cell_volume                     1367.4(4)
_computing_cell_refinement       'BRUKER APEX II'
_computing_data_collection       'BRUKER APEX II'
_computing_data_reduction        'BRUKER APEX II'
_computing_molecular_graphics    'MERCURY 2.2, PLATON-97'
_computing_publication_material  'MERCURY 2.2, PLATON-97'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.926
_diffrn_measured_fraction_theta_max 0.926
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       OMEGA-SCAN
_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  0.0847
_diffrn_reflns_av_sigmaI/netI    0.1257
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            15115
_diffrn_reflns_theta_full        33.69
_diffrn_reflns_theta_max         33.69
_diffrn_reflns_theta_min         1.81
_exptl_absorpt_coefficient_mu    0.292
_exptl_absorpt_correction_T_max  0.9714
_exptl_absorpt_correction_T_min  0.9253
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2002)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.672
_exptl_crystal_description       needle
_exptl_crystal_F_000             700
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.150
_refine_diff_density_min         -1.713
_refine_diff_density_rms         0.192
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.314
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     208
_refine_ls_number_reflns         5056
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.314
_refine_ls_R_factor_all          0.2158
_refine_ls_R_factor_gt           0.0909
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2087
_refine_ls_wR_factor_ref         0.2752
_reflns_number_gt                2124
_reflns_number_total             5056
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic202595p_si_002_1.cif
_cod_data_source_block           1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'multi-scan ' changed to
'multi-scan' according to the built-in table from CIF Core dictionary
named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      'P 1 21/c 1 '
_cod_database_code               4328443