Lone-Pair-Induced Topicity Observed in Macrobicyclic Tetra-thia Lactams and Cryptands: Synthesis, Spectral Identification, and Computational Assessment.
Walker, Tia L.; Taschner, Ian S.; Chandra M, Sharath; Taschner, Michael J.; Engle, James T.; Schrage, Briana R.; Ziegler, Christopher J.; Gao, Xinfeng; Wheeler, Steven E.; The Journal of organic chemistry 83 (2018) 10025–10036; doi:10.1021/acs.joc.8b01382

data_4035085
_publ_section_title
;
 Lone-Pair-Induced Topicity Observed in Macrobicyclic Tetra-thia Lactams
 and Cryptands: Synthesis, Spectral Identification, and Computational
 Assessment.
;
_journal_issue                   17
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              10025
_journal_page_last               10036
_journal_paper_doi               10.1021/acs.joc.8b01382
_journal_volume                  83
_journal_year                    2018
_chemical_formula_sum            'C17 H37 B N2 S4'
_chemical_formula_weight         408.53
_space_group_crystal_system      monoclinic
_space_group_IT_number           9
_space_group_name_Hall           'C -2yc'
_space_group_name_H-M_alt        'C 1 c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2016/6
_cell_angle_alpha                90
_cell_angle_beta                 117.809(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.821(3)
_cell_length_b                   27.136(7)
_cell_length_c                   9.389(2)
_cell_measurement_reflns_used    2328
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      24.85
_cell_measurement_theta_min      2.46
_cell_volume                     2213.2(10)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean '\f and \w scans'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  graphite
_diffrn_measurement_method       'Bruker APEX-II CCD'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0370
_diffrn_reflns_av_unetI/netI     0.0576
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       32
_diffrn_reflns_limit_k_min       -32
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            7916
_diffrn_reflns_point_group_measured_fraction_full 0.979
_diffrn_reflns_point_group_measured_fraction_max 0.979
_diffrn_reflns_theta_full        25.086
_diffrn_reflns_theta_max         25.086
_diffrn_reflns_theta_min         1.501
_diffrn_source                   'sealed tube'
_exptl_absorpt_coefficient_mu    0.432
_exptl_absorpt_correction_T_max  0.7452
_exptl_absorpt_correction_T_min  0.6177
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.226
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rod
_exptl_crystal_F_000             888
_exptl_crystal_size_max          0.180
_exptl_crystal_size_mid          0.140
_exptl_crystal_size_min          0.060
_refine_diff_density_max         0.423
_refine_diff_density_min         -0.231
_refine_diff_density_rms         0.055
_refine_ls_abs_structure_details
;
 Flack x determined using 1380 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.11(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     218
_refine_ls_number_reflns         3850
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0538
_refine_ls_R_factor_gt           0.0426
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0436P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0864
_refine_ls_wR_factor_ref         0.0922
_reflns_Friedel_coverage         0.952
_reflns_Friedel_fraction_full    0.959
_reflns_Friedel_fraction_max     0.959
_reflns_number_gt                3355
_reflns_number_total             3850
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo8b01382_si_004.cif
_cod_data_source_block           3
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_crystal_density_meas' value 'not measured' was
changed to '?' -- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_sg_symbol_H-M      'C c'
_cod_database_code               4035085
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_min   0.926
_shelx_estimated_absorpt_t_max   0.975
_shelx_res_checksum              8767
_shelx_hkl_checksum              23926