Chiral Moieties-Oriented Single-Stranded Helical Assembly of Calix[4]azacrown Derivatives
Guan, Yang-Fan; Li, Zheng-Yi; Ni, Meng-Fei; Lin, Chen; Jiang, Juli; Li, Yi-Zhi; Wang, Leyong; Crystal Growth & Design 11 (2011) 2684–; doi:10.1021/cg2000975

data_4500681
_publ_section_title
;
 Chiral Moieties-Oriented Single-Stranded Helical Assembly of
 Calix[4]azacrown Derivatives
;
_journal_issue                   7
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              2684
_journal_paper_doi               10.1021/cg2000975
_journal_volume                  11
_journal_year                    2011
_chemical_formula_moiety         'C51 H64 N O7, C H4 O, H2 O'
_chemical_formula_sum            'C52 H70 N O9'
_chemical_formula_weight         853.09
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           152
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  'P 31 2"'
_symmetry_space_group_name_H-M   'P 31 2 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                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            3
_cell_length_a                   12.6602(9)
_cell_length_b                   12.6602(9)
_cell_length_c                   28.733(4)
_cell_measurement_reflns_used    4050
_cell_measurement_temperature    291(2)
_cell_measurement_theta_max      20.17
_cell_measurement_theta_min      2.33
_cell_volume                     3988.3(7)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (Bruker, 2000)'
_computing_data_reduction        'SAINT (Bruker, 2000)'
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  SHELXTL
_computing_structure_solution    'SHELXTL (Bruker, 2000)'
_diffrn_ambient_temperature      291(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker Smart Apex CCD '
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0418
_diffrn_reflns_av_sigmaI/netI    0.0496
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -34
_diffrn_reflns_number            21817
_diffrn_reflns_theta_full        25.99
_diffrn_reflns_theta_max         25.99
_diffrn_reflns_theta_min         1.86
_exptl_absorpt_coefficient_mu    0.072
_exptl_absorpt_correction_T_max  0.98
_exptl_absorpt_correction_T_min  0.98
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS; Bruker, 2000'
_exptl_crystal_density_diffrn    1.066
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1383
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.206
_refine_diff_density_min         -0.601
_refine_diff_density_rms         0.039
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.05(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.090
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     301
_refine_ls_number_reflns         5230
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.090
_refine_ls_R_factor_all          0.0770
_refine_ls_R_factor_gt           0.0606
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.05P)^2^+1.55P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1363
_refine_ls_wR_factor_ref         0.1403
_reflns_number_gt                4042
_reflns_number_total             5230
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg2000975_si_001.cif
_cod_data_source_block           S-1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Trigonal' changed to 'trigonal'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_Hall     'P 31 2" '
_cod_original_sg_symbol_H-M      'P3(1)21 '
_cod_database_code               4500681