<i>N</i>-(2,5-Dimethoxyphenyl)-6-nitroquinazolin-4-amine
Saad, Syed Muhammad; Khan, Imran; Perveen, Shahnaz; Khan, Khalid M.; Yousuf, Sammer; Acta Crystallographica Section E 69 (2013) o8–; doi:10.1107/S1600536812048878

data_2237219
_publ_section_title
;
 <i>N</i>-(2,5-Dimethoxyphenyl)-6-nitroquinazolin-4-amine
;
_journal_coeditor_code           RZ5029
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o8
_journal_paper_doi               10.1107/S1600536812048878
_journal_volume                  69
_journal_year                    2013
_chemical_formula_iupac          'C16 H14 N4 O4'
_chemical_formula_moiety         'C16 H14 N4 O4'
_chemical_formula_sum            'C16 H14 N4 O4'
_chemical_formula_weight         326.31
_chemical_name_systematic
;
<i>N</i>-(2,5-Dimethoxyphenyl)-6-nitroquinazolin-4-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                72.475(2)
_cell_angle_beta                 83.663(2)
_cell_angle_gamma                70.429(2)
_cell_formula_units_Z            2
_cell_length_a                   7.2440(7)
_cell_length_b                   10.2832(10)
_cell_length_c                   11.1622(11)
_cell_measurement_reflns_used    2914
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      28.22
_cell_measurement_theta_min      2.19
_cell_volume                     747.05(13)
_computing_cell_refinement       'SAINT (Bruker, 2000)'
_computing_data_collection       'SMART (Bruker, 2000)'
_computing_data_reduction        'SAINT (Bruker, 2000)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material
;
SHELXTL (Sheldrick, 2008), PARST (Nardelli, 1995) and PLATON
(Spek, 2009)
;
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type
;
Bruker SMART APEX CCD area-detector
;
_diffrn_measurement_method       '\w scan'
_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  0.0207
_diffrn_reflns_av_sigmaI/netI    0.0201
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            8510
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         1.91
_exptl_absorpt_coefficient_mu    0.107
_exptl_absorpt_correction_T_max  0.9841
_exptl_absorpt_correction_T_min  0.9695
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2000)'
_exptl_crystal_colour            Brown
_exptl_crystal_density_diffrn    1.451
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             340
_exptl_crystal_size_max          0.29
_exptl_crystal_size_mid          0.19
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.184
_refine_diff_density_min         -0.197
_refine_ls_extinction_coef       0.012(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL97 (Sheldrick, 2008)'
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     224
_refine_ls_number_reflns         2792
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.0513
_refine_ls_R_factor_gt           0.0415
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0634P)^2^+0.1096P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1104
_refine_ls_wR_factor_ref         0.1197
_reflns_number_gt                2249
_reflns_number_total             2792
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            rz5029.cif
_cod_data_source_block           I
_cod_database_code               2237219
_cod_database_fobs_code          2237219