N-Benzoyl- and N-Sulfonyl-1,5-benzodiazepines: Comparison of Their Atropisomeric and Conformational Properties.
Yoneda, Tetsuya; Tabata, Hidetsugu; Nakagomi, Jun; Tasaka, Tomohiko; Oshitari, Tetsuta; Takahashi, Hideyo; Natsugari, Hideaki; The Journal of organic chemistry 79 (2014) 5717–5727; doi:10.1021/jo5008509

data_4029523
_publ_section_title
;
 N-Benzoyl- and N-Sulfonyl-1,5-benzodiazepines: Comparison of Their
 Atropisomeric and Conformational Properties.
;
_journal_issue                   12
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              5717
_journal_page_last               5727
_journal_paper_doi               10.1021/jo5008509
_journal_volume                  79
_journal_year                    2014
_chemical_absolute_configuration 'CHOOSE rm ad rmad syn or unk'
_chemical_formula_moiety         'C18 H20 N2 O3 S'
_chemical_formula_sum            'C18 H20 N2 O3 S'
_chemical_formula_weight         344.43
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      19
_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
_cell_angle_alpha                90.0000
_cell_angle_beta                 90.0000
_cell_angle_gamma                90.0000
_cell_formula_units_Z            4
_cell_length_a                   6.53799(12)
_cell_length_b                   13.6252(3)
_cell_length_c                   18.5986(4)
_cell_measurement_reflns_used    13298
_cell_measurement_temperature    173
_cell_measurement_theta_max      68.24
_cell_measurement_theta_min      3.25
_cell_volume                     1656.79(6)
_computing_cell_refinement       'RAPID AUTO'
_computing_data_collection       'RAPID AUTO (Rigaku, ????)'
_computing_data_reduction        'RAPID AUTO'
_computing_molecular_graphics    'CrystalStructure 4.0'
_computing_publication_material  'CrystalStructure 4.0 (Rigaku, 2010)'
_computing_structure_refinement  'CRYSTALS (Carruthers, et al., 1999)'
_computing_structure_solution    'SIR92 (Altomare, et al., 1994)'
_diffrn_ambient_temperature      173
_diffrn_detector_area_resol_mean 10.000
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0343
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            17031
_diffrn_reflns_theta_full        68.24
_diffrn_reflns_theta_max         68.24
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.898
_exptl_absorpt_correction_T_max  0.827
_exptl_absorpt_correction_T_min  0.732
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSCOR (Rigaku, 1995)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.381
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             728.00
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.469
_refine_diff_density_min         -0.562
_refine_ls_abs_structure_details
'Flack, H. D. (1983), Acta Cryst. A39, 876-881.  1254 Friedel Pairs'
_refine_ls_abs_structure_Flack   -0.007(17)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.118
_refine_ls_hydrogen_treatment    mixed
_refine_ls_number_parameters     280
_refine_ls_number_reflns         3020
_refine_ls_R_factor_gt           0.0331
_refine_ls_shift/su_max          0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[0.0010Fo^2^ + 1.0000\s(Fo^2^)]/(4Fo^2^)'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.0942
_reflns_number_gt                2765
_reflns_number_total             3020
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            jo5008509_si_001.cif
_cod_data_source_block           120514
_cod_depositor_comments
'Adding full bibliography for 4029521--4029530.cif.'
_cod_original_cell_volume        1656.78(6)
_cod_database_code               4029523