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_2012150
_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         'C50 H68 O6'
_chemical_formula_sum            'C50 H68 O6'
_chemical_formula_weight         765.04
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_audit_creation_method           SHELXL-97
_cell_angle_alpha                84.280(4)
_cell_angle_beta                 69.132(2)
_cell_angle_gamma                79.683(4)
_cell_formula_units_Z            2
_cell_length_a                   11.3148(8)
_cell_length_b                   14.2488(5)
_cell_length_c                   15.3512(11)
_cell_measurement_reflns_used    17232
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.68
_cell_measurement_theta_min      2.66
_cell_volume                     2273.5(2)
_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 .924
_diffrn_measured_fraction_theta_max .924
_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  .072
_diffrn_reflns_av_sigmaI/netI    .077
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            7972
_diffrn_reflns_theta_full        25.68
_diffrn_reflns_theta_max         25.68
_diffrn_reflns_theta_min         2.66
_diffrn_standards_decay_%        none
_exptl_absorpt_coefficient_mu    .071
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.118
_exptl_crystal_density_meas      ?
_exptl_crystal_description       parallelepipedic
_exptl_crystal_F_000             832
_exptl_crystal_size_max          .25
_exptl_crystal_size_mid          .25
_exptl_crystal_size_min          .25
_refine_diff_density_max         .390
_refine_diff_density_min         -.210
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.016
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     521
_refine_ls_number_reflns         7972
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.016
_refine_ls_R_factor_all          .1069
_refine_ls_R_factor_gt           .0608
_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^)+(0.0533P)^2^+1.6661P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         .1579
_reflns_number_gt                5246
_reflns_number_total             7972
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            na1520.cif
_cod_data_source_block           I
_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-1
_cod_database_code               2012150
_cod_database_fobs_code          2012150