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_7233210
_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, C2 H3 N'
_chemical_formula_sum            'C15 H14 N4 O4 S2'
_chemical_formula_weight         378.42
_chemical_name_common            'tenoxicam acetonitrile solvat'
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2019-07-01
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.18 svn.r3508 for OlexSys, GUI svn.r5497)
;
_audit_update_record
;
2019-07-04 deposited with the CCDC.    2019-07-12 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 98.591(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.1718(3)
_cell_length_b                   8.9965(3)
_cell_length_c                   21.1092(8)
_cell_measurement_reflns_used    6671
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      26.1550
_cell_measurement_theta_min      3.7050
_cell_volume                     1722.26(11)
_computing_cell_refinement       'CrysAlisPro 1.171.38.43d (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.38.43d (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.38.43d (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 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 10.3457
_diffrn_detector_type            Ruby
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.999
_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    -70.00   2.00   1.00   90.00    --  -11.27 127.00-122.49   72
  2  \w    -74.00  -2.00   1.00   90.00    --  -11.27 133.00 -23.53   72
  3  \w    -67.00  -5.00   1.00   90.00    --  -11.27 122.00  98.73   62
  4  \w    -90.00 -28.00   1.00   90.00    --  -11.27 -77.00-150.00   62
  5  \w    -85.00  16.00   1.00   90.00    --  -11.27 -57.00  90.00  101
  6  \w    -87.00  13.00   1.00   90.00    --  -11.27 -38.00-120.00  100
  7  \w    -74.00  48.00   1.00   90.00    --  -11.27   0.00 -60.00  122
  8  \w    -77.00 -45.00   1.00   90.00    --   11.43 178.00-150.00   32
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'Xcalibur, Ruby, Gemini ultra'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      0.0755395000
_diffrn_orient_matrix_UB_12      0.0150364000
_diffrn_orient_matrix_UB_13      -0.0010261000
_diffrn_orient_matrix_UB_21      0.0114499000
_diffrn_orient_matrix_UB_22      0.0127030000
_diffrn_orient_matrix_UB_23      0.0335194000
_diffrn_orient_matrix_UB_31      0.0168119000
_diffrn_orient_matrix_UB_32      -0.0763684000
_diffrn_orient_matrix_UB_33      0.0053893000
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0603
_diffrn_reflns_av_unetI/netI     0.0353
_diffrn_reflns_Laue_measured_fraction_full 0.998
_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       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            26375
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.365
_diffrn_reflns_theta_min         3.190
_diffrn_source                   'fine-focus sealed X-ray tube'
_diffrn_source_type              'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.338
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.82253
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.38.43d (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    1.459
_exptl_crystal_description       plate
_exptl_crystal_F_000             784
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: acetonitrile'
_exptl_crystal_size_max          0.13
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.284
_refine_diff_density_min         -0.263
_refine_diff_density_rms         0.044
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.058
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     228
_refine_ls_number_reflns         3527
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.058
_refine_ls_R_factor_all          0.0613
_refine_ls_R_factor_gt           0.0434
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0413P)^2^+0.5668P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0934
_refine_ls_wR_factor_ref         0.1011
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2809
_reflns_number_total             3527
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9ce00874h2.cif
_cod_data_source_block           tnx_acetonitrile
_cod_depositor_comments
'Adding full bibliography for 7233208--7233213.cif.'
_cod_database_code               7233210
_shelx_shelxl_version_number     2017/1
_shelx_estimated_absorpt_t_max   0.997
_shelx_estimated_absorpt_t_min   0.957
_reflns_odcompleteness_completeness 99.74
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     26.32
_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.a Aromatic/amide H refined with riding coordinates:
 N1(H1), N2(H2), C4(H4), C2(H2A), C1(H1A), C11(H11), C3(H3), C12(H12)
2.b Idealised Me refined as rotating group:
 C13(H13A,H13B,H13C), C15(H15A,H15B,H15C)
;
_shelx_res_checksum              62913
_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
;
_oxdiff_exptl_absorpt_empirical_full_max 1.152
_oxdiff_exptl_absorpt_empirical_full_min 0.910