Octahedral Copper(II) and Tetrahedral Copper(I) Double-Strand Helicates: Chiral Self-Recognition and Redox Behavior
Valeria Amendola; Massimo Boiocchi; Valentina Brega; Luigi Fabbrizzi; Lorenzo Mosca; Inorganic Chemistry 49 (2010) 997–1007; doi:10.1021/ic9019684

data_4314676
_publ_contact_author
;
  Prof Luigi Fabbrizzi
  Dipartimento di Chimica Generale
  University of Pavia
  via Taramelli 12, I-27100 Pavia, ITALY
;
_publ_contact_author_email
;
 luigi.fabbrizzi@unipv.it
;
_publ_section_title
;
 Octahedral Copper(II) and Tetrahedral Copper(I) Double-Strand Helicates:
 Chiral Self-Recognition and Redox Behavior
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              997
_journal_page_last               1007
_journal_paper_doi               10.1021/ic9019684
_journal_volume                  49
_journal_year                    2010
_chemical_formula_moiety         'C80 H72 Cu2 N8 O4, 2(Cl O4), H2 O'
_chemical_formula_sum            'C80 H74 Cl2 Cu2 N8 O13'
_chemical_formula_weight         1553.46
_chemical_name_common
; 
 bis(bis((8-benzyloxyquinolin-2-yl)methylene)-rac-1,2-cyclohexanediamine)
 -di-copper(I) diperchlorate hydrate 
;
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           13
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      13
_symmetry_space_group_name_Hall  '-P 2yac'
_symmetry_space_group_name_H-M   'P 1 2/n 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                 103.530(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   14.020(5)
_cell_length_b                   12.510(5)
_cell_length_c                   22.794(5)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      11
_cell_measurement_theta_min      6
_cell_volume                     3887(2)
_computing_cell_refinement       'CAD4 Express (Enraf Nonius, 1994)'
_computing_data_collection       'CAD4 Express (Enraf Nonius, 1994)'
_computing_data_reduction        'XCAD4 (Harms & Wocadlo, 1995)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR-97 (Altomare et al.,1999)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Enraf-Nonius CAD4'
_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  0.0460
_diffrn_reflns_av_sigmaI/netI    0.2000
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            5667
_diffrn_reflns_theta_full        23.00
_diffrn_reflns_theta_max         23.00
_diffrn_reflns_theta_min         1.56
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  300
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.682
_exptl_absorpt_correction_T_max  0.9807
_exptl_absorpt_correction_T_min  0.9098
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details
;
North A.C.T., Phillips D.C. & Mathews F.S. (1968) Acta. Cryst. A24, 351
;
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.327
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'platy prism'
_exptl_crystal_F_000             1612
_exptl_crystal_size_max          0.58
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.805
_refine_diff_density_min         -0.372
_refine_diff_density_rms         0.117
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.004
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     485
_refine_ls_number_reflns         5411
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.004
_refine_ls_R_factor_all          0.2558
_refine_ls_R_factor_gt           0.1064
_refine_ls_shift/su_max          0.006
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1661P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2667
_refine_ls_wR_factor_ref         0.3553
_reflns_number_gt                2057
_reflns_number_total             5411
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            ic9019684_si_001_4.cif
_cod_data_source_block           CuI_RAC5
_cod_original_sg_symbol_H-M      'P 2/n'
_cod_database_code               4314676