Preorganization in a Cleft-Type Anion Receptor Featuring Iodo-1,2,3-Triazoles As Halogen Bond Donors.
Tepper, Ronny; Schulze, Benjamin; Görls, Helmar; Bellstedt, Peter; Jäger, Michael; Schubert, Ulrich S.; Organic letters 17 (2015) 5740–5743; doi:10.1021/acs.orglett.5b02760

data_1555391
_publ_section_title
;
 Preorganization in a Cleft-Type Anion Receptor Featuring
 Iodo-1,2,3-Triazoles As Halogen Bond Donors.
;
_journal_issue                   23
_journal_name_full               'Organic letters'
_journal_page_first              5740
_journal_page_last               5743
_journal_paper_doi               10.1021/acs.orglett.5b02760
_journal_volume                  17
_journal_year                    2015
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C28 H26 I2 N6, C16 H36 N, C4 H8 O, Cl'
_chemical_formula_sum            'C48 H70 Cl I2 N7 O'
_chemical_formula_weight         1050.36
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_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
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.7863(1)
_cell_length_b                   15.6266(2)
_cell_length_c                   27.3025(4)
_cell_measurement_temperature    133(2)
_cell_volume                     5028.57(11)
_computing_cell_refinement       DENZO
_computing_data_collection       COLLECT
_computing_data_reduction        DENZO
_computing_molecular_graphics    SHELXTL/PC
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      133(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       'phi- + omega-scan'
_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  0.0477
_diffrn_reflns_av_sigmaI/netI    0.0352
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            39841
_diffrn_reflns_theta_full        27.45
_diffrn_reflns_theta_max         27.45
_diffrn_reflns_theta_min         1.88
_exptl_absorpt_coefficient_mu    1.345
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6978
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Bruker-AXS, 2002'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.387
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2152
_exptl_crystal_size_max          0.045
_exptl_crystal_size_mid          0.042
_exptl_crystal_size_min          0.028
_refine_diff_density_max         1.169
_refine_diff_density_min         -0.804
_refine_diff_density_rms         0.078
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.029(14)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.082
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     542
_refine_ls_number_reflns         11482
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.082
_refine_ls_R_factor_all          0.0358
_refine_ls_R_factor_gt           0.0319
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0000P)^2^+8.6788P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0595
_refine_ls_wR_factor_ref         0.0610
_reflns_number_gt                10798
_reflns_number_total             11482
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol5b02760_si_001.cif
_cod_data_source_block           FO5667
_cod_database_code               1555391