Methyl Ether Derivatives of p-tert-Butyl[3.1.3.1]homooxacalixarene. Formation, Structure, and Complexes with Quaternary Ammonium Ions
Bernardo Masci; Stefano Levi Mortera; Daniela Persiani; Pierre Thuéry; Journal of Organic Chemistry 71 (2006) 504–511; doi:10.1021/jo051922t

data_4021389
_publ_contact_author             'P. Thu\'ery'
_publ_contact_author_address
;
      CEA/Saclay, SCM (CNRS URA 331)
      B\^at. 125
      91191 Gif-sur-Yvette
      France
;
_publ_contact_author_email       thuery@drecam.cea.fr
_publ_contact_author_fax         '33 1 69 08 66 40'
_publ_contact_author_phone       '33 01 69 08 63 29'
_publ_section_title
;
 Methyl Ether Derivatives of p-tert-Butyl[3.1.3.1]homooxacalixarene.
 Formation, Structure, and Complexes with
 Quaternary Ammonium Ions
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              504
_journal_page_last               511
_journal_paper_doi               10.1021/jo051922t
_journal_volume                  71
_journal_year                    2006
_chemical_formula_sum            'C50 H68 O6'
_chemical_formula_weight         765.04
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 117.988(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   30.6685(18)
_cell_length_b                   14.3273(5)
_cell_length_c                   23.3049(13)
_cell_measurement_reflns_used    97090
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.68
_cell_measurement_theta_min      3.00
_cell_volume                     9042.5(8)
_computing_cell_refinement       'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'Kappa-CCD software (Nonius B.V., 1998)'
_computing_data_reduction        'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 1999)'
_computing_publication_material
'SHELXTL (Sheldrick, 1999); PLATON (Spek, 2003)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Nonius Kappa-CCD area-detector diffractometer'
_diffrn_measurement_method       'two \f and one \w scans with 2\% steps'
_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  0.1084
_diffrn_reflns_av_sigmaI/netI    0.0436
_diffrn_reflns_limit_h_max       37
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            97090
_diffrn_reflns_theta_full        25.68
_diffrn_reflns_theta_max         25.68
_diffrn_reflns_theta_min         3.00
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  0
_exptl_absorpt_coefficient_mu    0.072
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.124
_exptl_crystal_density_meas      ?
_exptl_crystal_description       irregular
_exptl_crystal_F_000             3328
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.271
_refine_diff_density_min         -0.243
_refine_diff_density_rms         0.055
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.019
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     521
_refine_ls_number_reflns         8586
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.019
_refine_ls_R_factor_all          0.0819
_refine_ls_R_factor_gt           0.0543
_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^)+(0.1114P)^2^+0.8966P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1557
_refine_ls_wR_factor_ref         0.1735
_reflns_number_gt                6146
_reflns_number_total             8586
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo051922tsi20050914_124826.cif
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4021389