3,4-Dimethyl-<i>N</i>-(2,4,5-trimethoxybenzylidene)-1,2-isoxazol-5-amine
Asiri, Abdullah M.; Khan, Salman A.; Tan, Kong Wai; Ng, Seik Weng; Acta Crystallographica Section E 66 (2010) o2019–; doi:10.1107/S1600536810026966

data_2226787
_publ_section_title
;
 3,4-Dimethyl-<i>N</i>-(2,4,5-trimethoxybenzylidene)-1,2-isoxazol-5-amine
;
_journal_coeditor_code           BT5294
_journal_issue                   8
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2019
_journal_paper_doi               10.1107/S1600536810026966
_journal_volume                  66
_journal_year                    2010
_chemical_formula_iupac          'C15 H18 N2 O4'
_chemical_formula_moiety         'C15 H18 N2 O4'
_chemical_formula_sum            'C15 H18 N2 O4'
_chemical_formula_weight         290.31
_chemical_name_systematic
;
3,4-Dimethyl-<i>N</i>-(2,4,5-trimethoxybenzylidene)-1,2-isoxazol-5-amine
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                63.4630(10)
_cell_angle_beta                 83.0780(10)
_cell_angle_gamma                79.9850(10)
_cell_formula_units_Z            2
_cell_length_a                   6.6502(5)
_cell_length_b                   10.9012(8)
_cell_length_c                   11.2582(8)
_cell_measurement_reflns_used    3842
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.3
_cell_measurement_theta_min      3.1
_cell_volume                     718.20(9)
_computing_cell_refinement       'SAINT (Bruker, 2009)'
_computing_data_collection       'APEX2 (Bruker, 2009)'
_computing_data_reduction        'SAINT (Bruker, 2009)'
_computing_molecular_graphics    'X-SEED (Barbour, 2001)'
_computing_publication_material  'publCIF (Westrip, 2010)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Bruker SMART APEX diffractometer'
_diffrn_measurement_method       '\w scans'
_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  0.0256
_diffrn_reflns_av_sigmaI/netI    0.0328
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            6732
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         2.02
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.098
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.342
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             308
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.266
_refine_diff_density_min         -0.327
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     195
_refine_ls_number_reflns         3274
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.0574
_refine_ls_R_factor_gt           0.0455
_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^)+(0.0858P)^2^+0.1878P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1230
_refine_ls_wR_factor_ref         0.1388
_reflns_number_gt                2660
_reflns_number_total             3274
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            bt5294.cif
_cod_data_source_block           I
_cod_database_code               2226787
_cod_database_fobs_code          2226787