A Foldamer-Based Chiroptical Molecular Switch That Displays Complete Inversion of the Helical Sense upon Anion Binding
Jae-min Suk; Veluru Ramesh Naidu; Xinfang Liu; Myoung Soo Lah; Kyu-Sung Jeong; Journal of the American Chemical Society 133 (2011) 13938–13941; doi:10.1021/ja206546b

data_4106732
_publ_section_title
;
 A Foldamer-Based Chiroptical Molecular Switch That Displays Complete
 Inversion of the Helical Sense upon Anion Binding
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              13938
_journal_page_last               13941
_journal_paper_doi               10.1021/ja206546b
_journal_volume                  133
_journal_year                    2011
_chemical_absolute_configuration rmad
_chemical_formula_sum            'C148 H198 N8 O6 S'
_chemical_formula_weight         2217.20
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 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                   18.534(4)
_cell_length_b                   27.265(6)
_cell_length_c                   27.405(6)
_cell_measurement_reflns_used    55460
_cell_measurement_temperature    96(2)
_cell_measurement_theta_max      25.00
_cell_measurement_theta_min      1.59
_cell_volume                     13849(5)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    ORTEP3
_computing_publication_material  WinGX
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'WinGX SIR-2002'
_diffrn_ambient_temperature      96(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi scans'
_diffrn_radiation_monochromator  'Si(111) double crystal monochromator'
_diffrn_radiation_source         'bending magnet 6B MX beamline'
_diffrn_radiation_type           synchrotron
_diffrn_radiation_wavelength     0.85000
_diffrn_reflns_av_R_equivalents  0.0776
_diffrn_reflns_av_sigmaI/netI    0.0606
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            44110
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.59
_exptl_absorpt_coefficient_mu    0.078
_exptl_absorpt_correction_T_max  0.9899
_exptl_absorpt_correction_T_min  0.9619
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'HKL2000 Scalepack'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.063
_exptl_crystal_description       needle
_exptl_crystal_F_000             4824
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.723
_refine_diff_density_min         -0.344
_refine_diff_density_rms         0.097
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.37(17)
_refine_ls_extinction_coef       0.0245(14)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.148
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1380
_refine_ls_number_reflns         14084
_refine_ls_number_restraints     25
_refine_ls_restrained_S_all      1.149
_refine_ls_R_factor_all          0.1209
_refine_ls_R_factor_gt           0.1061
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.2000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2637
_refine_ls_wR_factor_ref         0.2792
_reflns_number_gt                11190
_reflns_number_total             14084
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja206546b_si_003.cif
_cod_data_source_block           p10_34or
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'multi-scans' was replaced
with the value 'multi-scan' as specified in the replacement file
'src/cod-tools/trunk/data/replacement-values/replacement_values.lst'.

Automatic conversion script
Id: cif_fix_values 5376 2017-05-30 11:51:03Z andrius 
;
_cod_database_code               4106732