Triptycene-derived calix[6]arenes: synthesis, structure and tubular assemblies in the solid state
Tian, Xiao-Hong; Hao, Xiang; Liang, Tong-Ling; Chen, Chuan-Feng; Chemical Communications  (2009) 6771–6773; doi:10.1039/b912323g

data_7111551
_publ_section_title
;
 Triptycene-derived calix[6]arenes: synthesis, structure and tubular
 assemblies in the solid state
;
_journal_issue                   44
_journal_name_full               'Chemical Communications'
_journal_page_first              6771
_journal_page_last               6773
_journal_paper_doi               10.1039/b912323g
_journal_year                    2009
_chemical_formula_sum            'C70 H72 O8'
_chemical_formula_weight         1041.28
_chemical_name_systematic
;
?
;
_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                 104.15(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.954(3)
_cell_length_b                   13.561(3)
_cell_length_c                   29.634(6)
_cell_measurement_reflns_used    7752
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      25.50
_cell_measurement_theta_min      2.28
_cell_volume                     5827(2)
_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2008)'
_computing_molecular_graphics
;
Mercury: visualization and analysis of crystal structures, C. F. Macrae,
P. R. Edgington, P. McCabe, E. Pidcock, G. P. Shields, R. Taylor,
M. Towler and J. van de Streek, J. Appl. Cryst., 39, 453-457, 2006.
;
_computing_publication_material  'SHELX-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELX-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELX-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Saturn724+ CCD'
_diffrn_measurement_method       '\w scans at fixed \c = 45\%'
_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  0.0482
_diffrn_reflns_av_sigmaI/netI    0.0349
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            28032
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         2.28
_exptl_absorpt_coefficient_mu    0.076
_exptl_absorpt_correction_T_max  0.9954
_exptl_absorpt_correction_T_min  0.9564
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'CrystalClear (Rigaku Inc., 2008)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.187
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2224
_exptl_crystal_size_max          0.59
_exptl_crystal_size_mid          0.57
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.279
_refine_diff_density_min         -0.268
_refine_diff_density_rms         0.039
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.273
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     377
_refine_ls_number_reflns         5418
_refine_ls_number_restraints     26
_refine_ls_restrained_S_all      1.273
_refine_ls_R_factor_all          0.0834
_refine_ls_R_factor_gt           0.0769
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0416P)^2^+7.3051P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1575
_refine_ls_wR_factor_ref         0.1607
_reflns_number_gt                5080
_reflns_number_total             5418
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b912323gsup1.cif
_cod_data_source_block           a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7111551