Synthesis, structures, and conformational characteristics of triptycene-derived calix[5]arenes.
Tian, Xiao-Hong; Chen, Chuan-Feng; Organic letters 12 (2010) 524–527; doi:10.1021/ol902758g

data_1504325
_publ_section_title
;
 Synthesis, structures, and conformational characteristics of
 triptycene-derived calix[5]arenes.
;
_journal_issue                   3
_journal_name_full               'Organic letters'
_journal_page_first              524
_journal_page_last               527
_journal_paper_doi               10.1021/ol902758g
_journal_volume                  12
_journal_year                    2010
_chemical_formula_sum            'C57 H66 Cl2 O7'
_chemical_formula_weight         934.00
_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                75.70(3)
_cell_angle_beta                 79.57(3)
_cell_angle_gamma                62.73(3)
_cell_formula_units_Z            2
_cell_length_a                   11.303(2)
_cell_length_b                   12.251(3)
_cell_length_c                   21.395(4)
_cell_measurement_reflns_used    6128
_cell_measurement_temperature    113(2)
_cell_measurement_theta_max      27.499
_cell_measurement_theta_min      1.904
_cell_volume                     2543.8(12)
_computing_cell_refinement       crystalclear
_computing_data_collection       crystalclear
_computing_data_reduction        crystalclear
_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      113(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'rigaku saturn'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  confocal
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0396
_diffrn_reflns_av_sigmaI/netI    0.0635
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            18944
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         1.90
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.179
_exptl_absorpt_correction_T_max  0.9858
_exptl_absorpt_correction_T_min  0.9753
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   crystalclear
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.219
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             996
_exptl_crystal_size_max          0.14
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.08
_refine_diff_density_max         1.357
_refine_diff_density_min         -0.912
_refine_diff_density_rms         0.080
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.113
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     629
_refine_ls_number_reflns         8932
_refine_ls_number_restraints     27
_refine_ls_restrained_S_all      1.116
_refine_ls_R_factor_all          0.1040
_refine_ls_R_factor_gt           0.0780
_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^)+(0.1508P)^2^+0.8066P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2337
_refine_ls_wR_factor_ref         0.2566
_reflns_number_gt                6408
_reflns_number_total             8932
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol902758g_si_004.cif
_cod_data_source_block           r81120a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_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.

'_refine_ls_hydrogen_treatment' value 'CONSTR' changed
to 'constr' 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 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        2543.8(9)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               1504325