2-Methyl-<i>N</i>-(3,4,5-trimethoxybenzylidene)aniline <i>N</i>-oxide
Naveen, S.; Sadashiva, M. P.; Rangappa, K. S.; Sridhar, M. A.; Shashidhara Prasad, J.; Acta Crystallographica Section E 62 (2006) o4793–o4795; doi:10.1107/S1600536806039791

data_2210974
_publ_section_title
;
 2-Methyl-<i>N</i>-(3,4,5-trimethoxybenzylidene)aniline <i>N</i>-oxide
;
_journal_coeditor_code           DN3023
_journal_issue                   11
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o4793
_journal_page_last               o4795
_journal_paper_doi               10.1107/S1600536806039791
_journal_volume                  62
_journal_year                    2006
_chemical_formula_iupac          'C17 H19 N O4'
_chemical_formula_moiety         'C17 H19 N O4'
_chemical_formula_sum            'C17 H19 N O4'
_chemical_formula_weight         301.33
_chemical_name_common
;
N-(2-Methylphenyl)-C-(3,4,5-trimethoxyphenyl)nitrone
;
_chemical_name_systematic
;
2-Methyl-N-(3,4,5-trimethoxybenzylidene)aniline N-oxide
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90
_cell_angle_beta                 96.283(4)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   7.532(8)
_cell_length_b                   8.256(9)
_cell_length_c                   12.872(13)
_cell_measurement_reflns_used    2564
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      25.04
_cell_measurement_theta_min      2.94
_cell_volume                     795.6(15)
_computing_cell_refinement       'SCALEPACK (Otwinowski & Minor, 1997)'
_computing_data_collection       'XPRESS (MacScience, 2002)'
_computing_data_reduction
'SCALEPACK and DENZO (Otwinowski & Minor, 1997)'
_computing_molecular_graphics
;
PLATON (Spek, 2003), ORTEPIII (Burnett & Johnson, 1996) and
ORTEP-3 for Windows (Farrugia, 1997)
;
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      295(2)
_diffrn_detector_area_resol_mean 10.0
_diffrn_measured_fraction_theta_full 0.968
_diffrn_measured_fraction_theta_max 0.968
_diffrn_measurement_device_type  'MacScience DIPLabo 32001'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0288
_diffrn_reflns_av_sigmaI/netI    0.0294
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            2564
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         2.94
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_type   none
_exptl_absorpt_process_details   none
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.258
_exptl_crystal_density_method    'not Measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             320
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.115
_refine_diff_density_min         -0.149
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.114
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     203
_refine_ls_number_reflns         1461
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.114
_refine_ls_R_factor_all          0.0399
_refine_ls_R_factor_gt           0.0375
_refine_ls_shift/su_max          0.006
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0501P)^2^+0.1017P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0975
_refine_ls_wR_factor_ref         0.0995
_reflns_number_gt                1375
_reflns_number_total             1461
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            dn3023.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:

'_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_sg_symbol_H-M      'P 21'
_cod_database_code               2210974
_cod_database_fobs_code          2210974