Molecular tectonics: design of enantiomerically pure helical tubular crystals with controlled channel size and orientation
Lin, Mei-Jin; Jouaiti, Abdelaziz; Grosshans, Philippe; Kyritsakas, Nathalie; Hosseini, Mir Wais; Chemical Communications (Cambridge, United Kingdom) 47 (2011) 7635–7637; doi:10.1039/c1cc12110c

data_7106586
_publ_section_title
;
 Molecular tectonics: design of enantiomerically pure helical tubular
 crystals with controlled channel size and orientation
;
_journal_coden_ASTM              CHCOFS
_journal_issue                   27
_journal_name_full
;
 Chemical Communications (Cambridge, United Kingdom)
;
_journal_page_first              7635
_journal_page_last               7637
_journal_paper_doi               10.1039/c1cc12110c
_journal_volume                  47
_journal_year                    2011
_chemical_absolute_configuration rm
_chemical_formula_moiety         'C36 H36 F6 N4 O8 Si Zn'
_chemical_formula_sum            'C36 H36 F6 N4 O8 Si Zn'
_chemical_formula_weight         860.17
_space_group_IT_number           20
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'C 2c 2'
_symmetry_space_group_name_H-M   'C 2 2 21'
_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                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.6698(4)
_cell_length_b                   21.0303(11)
_cell_length_c                   28.3731(11)
_cell_measurement_reflns_used    4145
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      26.08
_cell_measurement_theta_min      2.41
_cell_volume                     4576.5(4)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_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      173(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0479
_diffrn_reflns_av_sigmaI/netI    0.0475
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       36
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            23640
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.44
_exptl_absorpt_coefficient_mu    0.634
_exptl_absorpt_correction_T_max  0.9690
_exptl_absorpt_correction_T_min  0.9540
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.248
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1768
_exptl_crystal_size_max          0.08
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.05
_platon_squeeze_details
;

;
_refine_diff_density_max         1.210
_refine_diff_density_min         -1.197
_refine_diff_density_rms         0.163
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.002(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.212
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     243
_refine_ls_number_reflns         5232
_refine_ls_number_restraints     10
_refine_ls_restrained_S_all      1.215
_refine_ls_R_factor_all          0.1319
_refine_ls_R_factor_gt           0.1025
_refine_ls_shift/su_max          0.021
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.2000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2626
_refine_ls_wR_factor_ref         0.3649
_reflns_number_gt                3942
_reflns_number_total             5232
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1cc12110c.txt
_cod_data_source_block           e1345n
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' 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      C222(1)
_cod_database_code               7106586