2-(2,4,5-Trimethoxyphenyl)-2,3-dihydroquinolin-4(1<i>H</i>)-one
Chantrapromma, Suchada; Ruanwas, Pumsak; Boonnak, Nawong; Chantrapromma, Kan; Fun, Hoong-Kun; Acta Crystallographica Section E 68 (2012) o664–o665; doi:10.1107/S1600536812002917

data_2233829
_publ_section_title
;
 2-(2,4,5-Trimethoxyphenyl)-2,3-dihydroquinolin-4(1<i>H</i>)-one
;
_journal_coeditor_code           HB6602
_journal_issue                   3
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o664
_journal_page_last               o665
_journal_paper_doi               10.1107/S1600536812002917
_journal_volume                  68
_journal_year                    2012
_chemical_formula_iupac          'C18 H19 N O4'
_chemical_formula_moiety         'C18 H19 N O4'
_chemical_formula_sum            'C18 H19 N O4'
_chemical_formula_weight         313.34
_chemical_melting_point_gt       419
_chemical_melting_point_lt       420
_chemical_name_systematic
;
2-(2,4,5-Trimethoxyphenyl)-2,3-dihydroquinolin-4(1<i>H</i>)-one
;
_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'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 102.981(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.7354(11)
_cell_length_b                   17.1525(16)
_cell_length_c                   8.6471(8)
_cell_measurement_reflns_used    4511
_cell_measurement_temperature    100
_cell_measurement_theta_max      30.00
_cell_measurement_theta_min      1.95
_cell_volume                     1551.6(3)
_computing_cell_refinement       'SAINT (Bruker, 2005)'
_computing_data_collection       'APEX2 (Bruker, 2005)'
_computing_data_reduction        'SAINT (Bruker, 2005)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material
;
SHELXTL (Sheldrick, 2008) and PLATON (Spek, 2009)
;
_computing_structure_refinement  'SHELXTL (Sheldrick, 2008)'
_computing_structure_solution    'SHELXTL (Sheldrick, 2008)'
_diffrn_ambient_temperature      100
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker APEXII CCD'
_diffrn_measurement_method       '\f and \w'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0619
_diffrn_reflns_av_sigmaI/netI    0.0786
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            13335
_diffrn_reflns_theta_full        30.00
_diffrn_reflns_theta_max         30.00
_diffrn_reflns_theta_min         1.95
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.095
_exptl_absorpt_correction_T_max  0.9944
_exptl_absorpt_correction_T_min  0.9619
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2005)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.341
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             664
_exptl_crystal_size_max          0.41
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.383
_refine_diff_density_min         -0.296
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.034
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     215
_refine_ls_number_reflns         4511
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.034
_refine_ls_R_factor_all          0.1190
_refine_ls_R_factor_gt           0.0629
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w = 1/[\s^2^(Fo^2^)+(0.0535P)^2^+0.8134P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1275
_refine_ls_wR_factor_ref         0.1557
_reflns_number_gt                2751
_reflns_number_total             4511
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            hb6602.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2233829
_cod_database_fobs_code          2233829