The role of S-bond in tenoxicam keto–enolic tautomerization
Arkhipov, Sergey G.; Sherin, Peter S.; Kiryutin, Alexey S.; Lazarenko, Vladimir A.; Tantardini, Christian; CrystEngComm 21 (2019) 5392–; doi:10.1039/C9CE00874H

data_7233208
_publ_section_title
;
 The role of S-bond in tenoxicam keto--enolic tautomerization
;
_journal_issue                   36
_journal_name_full               CrystEngComm
_journal_page_first              5392
_journal_paper_doi               10.1039/C9CE00874H
_journal_volume                  21
_journal_year                    2019
_chemical_formula_moiety         'C13 H11 N3 O4 S2, C3 H6 O'
_chemical_formula_sum            'C16 H17 N3 O5 S2'
_chemical_formula_weight         395.44
_chemical_name_common            'tenoxicam acetone solvate'
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     dual
_audit_creation_date             2019-01-15
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.18 svn.r3508 for OlexSys, GUI svn.r5497)
;
_audit_update_record
;
2019-07-05 deposited with the CCDC.    2019-07-12 downloaded from the CCDC.
;
_cell_angle_alpha                75.325(4)
_cell_angle_beta                 81.348(4)
_cell_angle_gamma                89.620(4)
_cell_formula_units_Z            2
_cell_length_a                   8.9341(4)
_cell_length_b                   8.9659(5)
_cell_length_c                   11.9315(6)
_cell_measurement_reflns_used    6678
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      29.3360
_cell_measurement_theta_min      3.8000
_cell_volume                     913.55(8)
_computing_cell_refinement       'CrysAlisPro 1.171.38.43 (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.38.43 (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.38.43 (Rigaku OD, 2015)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      293.0
_diffrn_detector_area_resol_mean 10.3457
_diffrn_detector_type            Ruby
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.977
_diffrn_measurement_details
;
List of Runs (angles in degrees, time in seconds):

  # Type    Start    End  Width  t~exp~   \w     \q     \k     \f   Frames
  1  \w    -83.00 -11.00   1.00   15.00    --  -11.43 147.00-108.90   72
  2  \w    -90.00 -18.00   1.00   15.00    --  -11.43 157.00 153.69   72
  3  \w    -90.00 -16.00   1.00   15.00    --  -11.43 156.00 -16.45   74
  4  \w    -58.00  41.00   1.00   15.00    --   11.59 -57.00 150.00   99
  5  \w    -15.00  87.00   1.00   15.00    --   11.59  38.00-150.00  102
  6  \w    -17.00  78.00   1.00   15.00    --   11.59  57.00 -60.00   95
  7  \w    -13.00  90.00   1.00   15.00    --   11.59  77.00  60.00  103
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'Xcalibur, Ruby, Gemini ultra'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0282
_diffrn_reflns_av_unetI/netI     0.0273
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.977
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            15092
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.977
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.877
_diffrn_reflns_theta_min         3.295
_exptl_absorpt_coefficient_mu    0.324
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.90682
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.38.43 (Rigaku Oxford Diffraction, 2015)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'clear light yellow'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.438
_exptl_crystal_description       prism
_exptl_crystal_F_000             412
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: acetone'
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.45
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.281
_refine_diff_density_min         -0.345
_refine_diff_density_rms         0.049
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.052
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     289
_refine_ls_number_reflns         4269
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0518
_refine_ls_R_factor_gt           0.0378
_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^)+(0.0532P)^2^+0.1667P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0971
_refine_ls_wR_factor_ref         0.1079
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3370
_reflns_number_total             4269
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9ce00874h2.cif
_cod_data_source_block           tnx_aceton
_cod_depositor_comments
'Adding full bibliography for 7233208--7233213.cif.'
_cod_database_code               7233208
_shelx_shelxl_version_number     2017/1
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All N(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2. Others
 Sof(C16A)=Sof(H16D)=Sof(H16E)=Sof(H16F)=1-FVAR(1)
 Sof(C16)=Sof(H16A)=Sof(H16B)=Sof(H16C)=FVAR(1)
3.a Idealised Me refined as rotating group:
 C16(H16A,H16B,H16C), C16A(H16D,H16E,H16F)
;
_shelx_res_checksum              10399
_olex2_submission_special_instructions 'No special instructions were received'
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;