Methyl (2-benzylidene-3-oxo-1,4-benzothiazin-4-yl)acetate
Zerzouf, A.; Salem, M.; Essassi, E. M.; Pierrot, M.; Acta Crystallographica Section E 57 (2001) o498–o499; doi:10.1107/S1600536801007139

data_2200359
_publ_section_title
;
 Methyl (2-benzylidene-3-oxo-1,4-benzothiazin-4-yl)acetate
;
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o498
_journal_page_last               o499
_journal_paper_doi               10.1107/S1600536801007139
_journal_volume                  57
_journal_year                    2001
_chemical_formula_iupac          'C18 H15 N O3 S'
_chemical_formula_moiety         'C18 H15 N O3 S'
_chemical_formula_sum            'C18 H15 N O3 S'
_chemical_formula_weight         325.39
_chemical_name_systematic
;
Methyl (2-benzylidene-3-oxo-1,4-benzothiazin-4-yl)acetate
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_cell_angle_alpha                90.0
_cell_angle_beta                 155.4920(10)
_cell_angle_gamma                90.0
_cell_formula_units_Z            4
_cell_length_a                   19.0388(6)
_cell_length_b                   9.6511(3)
_cell_length_c                   20.9817(6)
_cell_measurement_reflns_used    '11 106'
_cell_measurement_temperature    298
_cell_measurement_theta_max      26.30
_cell_measurement_theta_min      1
_cell_volume                     1599.25(10)
_computing_data_collection       'KappaCCD Reference Manual (Nonius, 1998)'
_computing_data_reduction
'DENZO and SCALEPACK (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'ORTEPII (Johnson, 1976)'
_computing_publication_material  maXus
_computing_structure_refinement  'maXus (Mackay et al., 1999)'
_computing_structure_solution    'SIR92 (Altomare et al., 1994)'
_diffrn_measurement_device       CCD
_diffrn_measurement_method       '\f scan'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_reflns_av_R_equivalents  .029
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       0
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            3354
_diffrn_reflns_theta_max         26.36
_exptl_absorpt_coefficient_mu    .217
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            incolore
_exptl_crystal_density_diffrn    1.352
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       cube
_exptl_crystal_F_000             680
_exptl_crystal_size_max          .40
_exptl_crystal_size_mid          .40
_exptl_crystal_size_min          .35
_refine_diff_density_max         .19
_refine_diff_density_min         -.18
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_all   1.398
_refine_ls_goodness_of_fit_ref   1.289
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
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_refine_ls_number_reflns         2718
_refine_ls_R_factor_all          .048
_refine_ls_R_factor_gt           .039
_refine_ls_shift/su_max          .005
_refine_ls_shift/su_mean         .001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details     'w = 1 /[\s^2^(Fo^2^) + 0.03Fo^2^]'
_refine_ls_weighting_scheme      sigma
_refine_ls_wR_factor_all         .052
_refine_ls_wR_factor_ref         .050
_reflns_number_gt                2718
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_reflns_threshold_expression     I>3\s(I)
_cod_data_source_file            wn6016.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_atom_site_adp_type' tag value 'Uij' was replaced with 'Uani' value
23 times.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        1599.00(10)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2200359
_cod_database_fobs_code          2200359