2-[(<i>Z</i>)-1,1-Dioxo-2-(2,4,5-trifluorobenzyl)-3,4-dihydro-2<i>H</i>-1,2-benzothiazin-4-ylidene]acetic acid
Parveen, Shagufta; Hussain, Saghir; Zhu, Shaojuan; Hao, Xin; Zhu, Changjin; Acta Crystallographica Section E 70 (2014) o627–; doi:10.1107/S1600536814008903

data_2239543
_publ_section_title
;
 2-[(<i>Z</i>)-1,1-Dioxo-2-(2,4,5-trifluorobenzyl)-3,4-dihydro-2<i>H</i>-1,2-benzothiazin-4-ylidene]acetic
 acid
;
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o627
_journal_paper_doi               10.1107/S1600536814008903
_journal_volume                  70
_journal_year                    2014
_chemical_formula_iupac          'C17 H12 F3 N O4 S'
_chemical_formula_moiety         'C17 H12 F3 N O4 S'
_chemical_formula_sum            'C17 H12 F3 N O4 S'
_chemical_formula_weight         383.34
_chemical_name_systematic
'2-[(<i>Z</i>)-1,1-Dioxo-2-(2,4,5-trifluorobenzyl)-3,4-dihydro-2<i>H</i>-1,2-benzothiazin-4-ylidene]acetic acid'
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_symmetry_cell_setting           monoclinic
_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     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 99.601(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.6085(12)
_cell_length_b                   12.649(3)
_cell_length_c                   18.757(4)
_cell_measurement_reflns_used    5016
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      29.131
_cell_measurement_theta_min      2.202
_cell_volume                     1546.0(6)
_computing_cell_refinement       'CrystalClear (Rigaku, 2008)'
_computing_data_collection       'CrystalClear (Rigaku, 2008)'
_computing_data_reduction        'CrystalClear (Rigaku, 2008)'
_computing_molecular_graphics    'DIAMOND (Brandenburg, 1998)'
_computing_publication_material  'CrystalStructure (Rigaku, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      153(2)
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Rigaku AFC10/Saturn724+ CCD-detector'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Rotating Anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0328
_diffrn_reflns_av_sigmaI/netI    0.0367
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            13553
_diffrn_reflns_theta_full        29.11
_diffrn_reflns_theta_max         29.11
_diffrn_reflns_theta_min         3.14
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.269
_exptl_absorpt_correction_T_max  0.970
_exptl_absorpt_correction_T_min  0.910
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(CrystalClear; Rigaku, 2008)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.647
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             784
_exptl_crystal_size_max          0.31
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.300
_refine_diff_density_min         -0.459
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.000
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     239
_refine_ls_number_reflns         4123
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.000
_refine_ls_R_factor_all          0.0598
_refine_ls_R_factor_gt           0.0485
_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^)+(0.0691P)^2^+0.9600P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1213
_refine_ls_wR_factor_ref         0.1297
_reflns_number_gt                3594
_reflns_number_total             4123
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            zs2294sup1.cif
_cod_data_source_block           I
_cod_original_cell_volume        1545.9(5)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2239543
_cod_database_fobs_code          2239543