Elucidation of the E-Amide Preference of N-Acyl Azoles.
Takahashi, Yuka; Ikeda, Hirotaka; Kanase, Yuki; Makino, Kosho; Tabata, Hidetsugu; Oshitari, Tetsuta; Inagaki, Satoshi; Otani, Yuko; Natsugari, Hideaki; Takahashi, Hideyo; Ohwada, Tomohiko; The Journal of organic chemistry 82 (2017) 11370–11382; doi:10.1021/acs.joc.7b01759

data_4032997
_publ_section_title
;
 Elucidation of the E-Amide Preference of N-Acyl Azoles.
;
_journal_issue                   21
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              11370
_journal_page_last               11382
_journal_paper_doi               10.1021/acs.joc.7b01759
_journal_volume                  82
_journal_year                    2017
_chemical_absolute_configuration 'CHOOSE rm ad rmad syn or unk'
_chemical_formula_moiety         'C9 H4 Cl3 N3 O'
_chemical_formula_sum            'C9 H4 Cl3 N3 O'
_chemical_formula_weight         276.51
_space_group_crystal_system      orthorhombic
_space_group_IT_number           43
_space_group_name_Hall           'F 2 -2d'
_space_group_name_H-M_alt        'F d d 2'
_symmetry_space_group_name_Hall  'F 2 -2d'
_symmetry_space_group_name_H-M   'F d d 2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.0000
_cell_angle_beta                 90.0000
_cell_angle_gamma                90.0000
_cell_formula_units_Z            16
_cell_length_a                   41.9318(18)
_cell_length_b                   10.6612(5)
_cell_length_c                   9.9175(4)
_cell_measurement_reflns_used    5529
_cell_measurement_temperature    173
_cell_measurement_theta_max      68.21
_cell_measurement_theta_min      4.21
_cell_volume                     4433.6(3)
_computing_cell_refinement       'RAPID AUTO'
_computing_data_collection       'RAPID AUTO (Rigaku, ????)'
_computing_data_reduction        'RAPID AUTO'
_computing_molecular_graphics    'CrystalStructure 4.2.2'
_computing_publication_material  'CrystalStructure 4.2.2 (Rigaku, 2016)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR92 (Altomare, et al., 1994)'
_diffrn_ambient_temperature      173
_diffrn_detector_area_resol_mean 10.000
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Rigaku R-AXIS RAPID'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54187
_diffrn_reflns_av_R_equivalents  0.0876
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       49
_diffrn_reflns_limit_h_min       -49
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            11252
_diffrn_reflns_point_group_measured_fraction_full 0.995
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        67.687
_diffrn_reflns_theta_max         68.235
_diffrn_reflns_theta_min         4.217
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    7.346
_exptl_absorpt_correction_T_max  0.693
_exptl_absorpt_correction_T_min  0.500
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSCOR (Rigaku, 1995)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.657
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2208.00
_exptl_crystal_size_max          0.150
_exptl_crystal_size_mid          0.150
_exptl_crystal_size_min          0.050
_refine_diff_density_max         0.33
_refine_diff_density_min         -0.29
_refine_ls_abs_structure_details
'Flack, H. D. (1983), Acta Cryst. A39, 876-881.  939 Friedel Pairs'
_refine_ls_abs_structure_Flack   0.01(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.010
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     145
_refine_ls_number_reflns         2017
_refine_ls_number_restraints     1
_refine_ls_R_factor_all          0.0555
_refine_ls_R_factor_gt           0.0412
_refine_ls_shift/su_max          0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0209P)^2^+15.1661P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0865
_refine_ls_wR_factor_ref         0.0989
_reflns_Friedel_coverage         0.871
_reflns_Friedel_fraction_full    0.988
_reflns_Friedel_fraction_max     0.988
_reflns_number_gt                1656
_reflns_number_total             2017
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            jo7b01759_si_002.cif
_cod_data_source_block           131221-2_compound_8b
_cod_depositor_comments
'Adding full bibliography for 4032995--4033001.cif.'
_cod_database_code               4032997
_shelxl_version_number           2013-4
_shelx_res_checksum              63864
_shelx_hkl_checksum              52383