Conformationally Restricted Calix[8]arenes Substituted at All Methylene Bridges
Katerina Kogan; Silvio E. Biali; Journal of Organic Chemistry 76 (2011) 7240–7244; doi:10.1021/jo2009643

data_4026547
_publ_section_title
;
 Conformationally Restricted Calix[8]arenes Substituted at All Methylene
 Bridges
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              7240
_journal_page_last               7244
_journal_paper_doi               10.1021/jo2009643
_journal_volume                  76
_journal_year                    2011
_chemical_formula_moiety         'C104 H144 O16, C3 H6 O'
_chemical_formula_sum            'C107 H150 O17'
_chemical_formula_weight         1708.27
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                74.6100(10)
_cell_angle_beta                 77.7440(10)
_cell_angle_gamma                73.7380(10)
_cell_formula_units_Z            2
_cell_length_a                   17.6991(11)
_cell_length_b                   17.7612(11)
_cell_length_c                   18.1080(11)
_cell_measurement_temperature    173(1)
_cell_volume                     5209.8(6)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(1)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_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  0.0272
_diffrn_reflns_av_sigmaI/netI    0.0374
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            57796
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         2.17
_exptl_absorpt_coefficient_mu    0.072
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.089
_exptl_crystal_description       shapeless
_exptl_crystal_F_000             1856
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.36
_exptl_crystal_size_min          0.34
_refine_diff_density_max         0.851
_refine_diff_density_min         -0.537
_refine_diff_density_rms         0.066
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.085
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1161
_refine_ls_number_reflns         22492
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.088
_refine_ls_R_factor_all          0.0977
_refine_ls_R_factor_gt           0.0753
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1380P)^2^+1.3854P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2194
_refine_ls_wR_factor_ref         0.2342
_reflns_number_gt                16447
_reflns_number_total             22492
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo2009643_si_001_1.cif
_cod_data_source_block           katya23m
_cod_database_code               4026547