Nonplanar Structures of Thioamides Derived from 7-Azabicyclo[2.2.1]heptane. Electronically Tunable Planarity of Thioamides
Tetsuharu Hori; Yuko Otani; Masatoshi Kawahata; Kentaro Yamaguchi; Tomohiko Ohwada; Journal of Organic Chemistry 73 (2008) 9102–9108; doi:10.1021/jo801996b

data_4023879
_publ_section_title
;
 Nonplanar Structures of Thioamides Derived from
 7-Azabicyclo[2.2.1]heptane. Electronically Tunable
 Planarity of Thioamides
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              9102
_journal_page_last               9108
_journal_paper_doi               10.1021/jo801996b
_journal_volume                  73
_journal_year                    2008
_chemical_formula_moiety         'C13 H14 N2 O2 S'
_chemical_formula_sum            'C13 H14 N2 O2 S'
_chemical_formula_weight         262.32
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 98.845(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.9612(16)
_cell_length_b                   6.8315(14)
_cell_length_c                   23.039(5)
_cell_measurement_reflns_used    3767
_cell_measurement_temperature    90
_cell_measurement_theta_max      28.26
_cell_measurement_theta_min      2.59
_cell_volume                     1238.1(4)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (Bruker, 1998)'
_computing_data_reduction        'SAINT (Bruker, 1998)'
_computing_molecular_graphics    'ORTEP-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      90
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.961
_diffrn_measurement_device_type  'Bruker SMART 1000 CCD area detector'
_diffrn_measurement_method       '\f and \w 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  0.0386
_diffrn_reflns_av_sigmaI/netI    0.0435
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -4
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            7277
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.26
_diffrn_reflns_theta_min         1.79
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.257
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.407
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             552
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.330
_refine_diff_density_min         -0.286
_refine_diff_density_rms         0.061
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.065
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     163
_refine_ls_number_reflns         2935
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.065
_refine_ls_R_factor_all          0.0402
_refine_ls_R_factor_gt           0.0348
_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^)+(0.0437P)^2^+0.4673P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0924
_refine_ls_wR_factor_ref         0.0970
_reflns_number_gt                2570
_reflns_number_total             2935
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            jo801996b_si_002_06.cif
_cod_data_source_block           1h
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4023879