Methoxy-ether and crown-ether derivatives of tetrahomodioxa- and octahomotetraoxacalix[4]arenes
Masci, Bernardo; Saccheo, Stefano; Fonsi, Massimiliano; Varrone, Maurizio; Finelli, Marco; Nierlich, Martine; Thuéry, Pierre; Acta Crystallographica Section C 57 (2001) 978–981; doi:10.1107/S010827010100823X

data_2012152
_publ_section_title
;
 Methoxy-ether and crown-ether derivatives of tetrahomodioxa- and
 octahomotetraoxacalix[4]arenes
;
_journal_issue                   8
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              978
_journal_page_last               981
_journal_paper_doi               10.1107/S010827010100823X
_journal_volume                  57
_journal_year                    2001
_chemical_formula_moiety         'C44 H56 O8'
_chemical_formula_sum            'C44 H56 O8'
_chemical_formula_weight         712.89
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 108.819(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   23.2320(15)
_cell_length_b                   9.0186(3)
_cell_length_c                   19.6065(12)
_cell_measurement_reflns_used    14012
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.68
_cell_measurement_theta_min      2.64
_cell_volume                     3888.4(4)
_computing_cell_refinement       'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'Kappa-CCD Software (Nonius, 1998)'
_computing_data_reduction        DENZO-SMN
_computing_molecular_graphics    'SHELXTL (Sheldrick, 1999)'
_computing_publication_material  'SHELXTL and PARST97 (Nardelli, 1995)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 18
_diffrn_measured_fraction_theta_full .996
_diffrn_measured_fraction_theta_max .996
_diffrn_measurement_device_type  'Nonius Kappa-CCD'
_diffrn_measurement_method       '\f scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     .71073
_diffrn_reflns_av_R_equivalents  .0776
_diffrn_reflns_av_sigmaI/netI    .0993
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            14012
_diffrn_reflns_theta_full        25.68
_diffrn_reflns_theta_max         25.68
_diffrn_reflns_theta_min         2.64
_diffrn_standards_decay_%        none
_exptl_absorpt_coefficient_mu    .082
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.218
_exptl_crystal_density_meas      ?
_exptl_crystal_description       platelet
_exptl_crystal_F_000             1536
_exptl_crystal_size_max          .20
_exptl_crystal_size_mid          .20
_exptl_crystal_size_min          .10
_refine_diff_density_max         .236
_refine_diff_density_min         -.245
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.014
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     479
_refine_ls_number_reflns         7332
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.014
_refine_ls_R_factor_all          .1171
_refine_ls_R_factor_gt           .0571
_refine_ls_shift/su_max          <0.001
_refine_ls_shift/su_mean         .000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0568P)^2^+0.2708P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         .1444
_reflns_number_gt                4351
_reflns_number_total             7332
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            na1520.cif
_cod_data_source_block           III
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2012152
_cod_database_fobs_code          2012152