Enantioselective self-assembly of antiferromagnetic hexacopper(II) wheels with chiral amino acid oxamates
Thais Grancha; Jesus Ferrando-Soria; Joan Cano; Francesc Lloret; Miguel Julve; Giovanni De Munno; Donatella Armentano; Emilio Pardo; Chem.Commun. 49 (2013) 5942–; doi:10.1039/c3cc42776e

data_7109407
_publ_section_title
;
 Enantioselective self-assembly of antiferromagnetic hexacopper(II) wheels
 with chiral amino acid oxamates
;
_journal_name_full               Chem.Commun.
_journal_page_first              5942
_journal_paper_doi               10.1039/c3cc42776e
_journal_volume                  49
_journal_year                    2013
_chemical_formula_sum            'C66 H134 Cu6 N12 O37'
_chemical_formula_weight         2069.09
_chemical_name_systematic
;
?
;
_space_group_IT_number           173
_symmetry_cell_setting           hexagonal
_symmetry_space_group_name_Hall  'P 6c'
_symmetry_space_group_name_H-M   'P 63'
_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                   16.7208(4)
_cell_length_b                   16.7208(4)
_cell_length_c                   20.8549(8)
_cell_measurement_reflns_used    9810
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      21.91
_cell_measurement_theta_min      2.4
_cell_volume                     5049.6(3)
_computing_cell_refinement       'Bruker APEX'
_computing_data_collection       'Bruker APEX'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and 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  0.0285
_diffrn_reflns_av_sigmaI/netI    0.0170
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            60872
_diffrn_reflns_theta_full        23.30
_diffrn_reflns_theta_max         23.30
_diffrn_reflns_theta_min         1.41
_exptl_absorpt_coefficient_mu    1.321
_exptl_absorpt_correction_T_max  0.761
_exptl_absorpt_correction_T_min  0.690
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.361
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       cubic
_exptl_crystal_F_000             2168
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.933
_refine_diff_density_min         -0.598
_refine_diff_density_rms         0.223
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.01(2)
_refine_ls_extinction_coef       0.0065(9)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.144
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     358
_refine_ls_number_reflns         4882
_refine_ls_number_restraints     12
_refine_ls_restrained_S_all      1.147
_refine_ls_R_factor_all          0.0745
_refine_ls_R_factor_gt           0.0611
_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^)+(0.1444P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1637
_refine_ls_wR_factor_ref         0.1831
_reflns_number_gt                4368
_reflns_number_total             4882
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3cc42776e.txt
_cod_data_source_block           wheelr
_cod_original_cell_volume        5049.5(3)
_cod_original_sg_symbol_H-M      P6(3)
_cod_database_code               7109407