Structurally-variable, rigid and optically-active D2 and D3 macrocycles possessing recognition properties towards C60.
Coluccini, Carmine; Dondi, Daniele; Caricato, Marco; Taglietti, Angelo; Boiocchi, Massimo; Pasini, Dario; Organic & biomolecular chemistry 8 (2010) 1640–1649; doi:10.1039/b920867d

data_7153275
_publ_section_title
;
 Structurally-variable, rigid and optically-active D2 and D3 macrocycles
 possessing recognition properties towards C60.
;
_journal_issue                   7
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              1640
_journal_page_last               1649
_journal_paper_doi               10.1039/b920867d
_journal_volume                  8
_journal_year                    2010
_chemical_formula_moiety         'C64 H48 O12, 2(C3 H6 O)'
_chemical_formula_sum            'C70 H60 O14'
_chemical_formula_weight         1125.18
_chemical_name_common
;bis(bis(2-methoxy-3-methyl-naphthyl)-terephthalate)
bis(acetone) solvate
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      4
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 91.474(15)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   11.4141(18)
_cell_length_b                   20.620(3)
_cell_length_c                   12.643(4)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      12
_cell_measurement_theta_min      7
_cell_volume                     2974.7(11)
_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 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0147
_diffrn_reflns_av_sigmaI/netI    0.0351
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            6900
_diffrn_reflns_theta_full        25.05
_diffrn_reflns_theta_max         25.05
_diffrn_reflns_theta_min         1.61
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  250
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.087
_exptl_absorpt_correction_T_max  0.959
_exptl_absorpt_correction_T_min  0.872
_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            COLORLESS
_exptl_crystal_density_diffrn    1.256
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       IRREGULAR
_exptl_crystal_F_000             1184
_exptl_crystal_size_max          0.86
_exptl_crystal_size_mid          0.58
_exptl_crystal_size_min          0.43
_refine_diff_density_max         0.224
_refine_diff_density_min         -0.134
_refine_diff_density_rms         0.032
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     757
_refine_ls_number_reflns         5419
_refine_ls_number_restraints     7
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.0760
_refine_ls_R_factor_gt           0.0482
_refine_ls_shift/su_max          0.024
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0763P)^2^+0.2482P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1202
_refine_ls_wR_factor_ref         0.1371
_reflns_number_gt                3884
_reflns_number_total             5419
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b920867d.txt
_cod_data_source_block           3c
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               7153275