2-Amino-4-(4-methoxyphenyl)-5-oxo-5,6,7,8-tetrahydro-4<i>H</i>-chromene-3-carbonitrile 1,4-dioxane hemisolvate
Mohamed, Shaaban K.; Akkurt, Mehmet; Tahir, Muhammad N.; Abdelhamid, Antar A.; Younes, Sabry H. H.; Acta Crystallographica Section E 68 (2012) o2178–o2179; doi:10.1107/S1600536812027729

data_2235652
_publ_section_title
;
 2-Amino-4-(4-methoxyphenyl)-5-oxo-5,6,7,8-tetrahydro-4<i>H</i>-chromene-3-carbonitrile
 1,4-dioxane hemisolvate
;
_journal_coeditor_code           TK5115
_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2178
_journal_page_last               o2179
_journal_paper_doi               10.1107/S1600536812027729
_journal_volume                  68
_journal_year                    2012
_chemical_formula_iupac          'C17 H16 N2 O3, 0.5C4 H8 O2'
_chemical_formula_moiety         'C17 H16 N2 O3, 0.5(C4 H8 O2)'
_chemical_formula_sum            'C19 H20 N2 O4'
_chemical_formula_weight         340.37
_chemical_name_systematic
;
2-Amino-4-(4-methoxyphenyl)-5-oxo-5,6,7,8-tetrahydro-4<i>H</i>-chromene-3-
carbonitrile 1,4-dioxane hemisolvate
;
_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
_cell_angle_alpha                94.376(2)
_cell_angle_beta                 102.8270(10)
_cell_angle_gamma                95.972(2)
_cell_formula_units_Z            2
_cell_length_a                   8.0876(4)
_cell_length_b                   9.2013(4)
_cell_length_c                   12.1613(6)
_cell_measurement_reflns_used    420
_cell_measurement_temperature    293
_cell_measurement_theta_max      22.5
_cell_measurement_theta_min      3.6
_cell_volume                     873.00(7)
_computing_cell_refinement       'SAINT (Bruker, 2007)'
_computing_data_collection       'APEX2 (Bruker, 2007)'
_computing_data_reduction        'SAINT (Bruker, 2007)'
_computing_molecular_graphics
'ORTEP-3 for Windows (Farrugia, 1997) and PLATON (Spek, 2009)'
_computing_publication_material
'WinGX (Farrugia, 1999) and PLATON (Spek, 2009)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_detector_area_resol_mean 0.81
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device_type  'Bruker Kappa APEXII CCD'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0211
_diffrn_reflns_av_sigmaI/netI    0.0210
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            14186
_diffrn_reflns_reduction_process
;
;
_diffrn_reflns_theta_full        27.93
_diffrn_reflns_theta_max         27.93
_diffrn_reflns_theta_min         1.73
_exptl_absorpt_coefficient_mu    0.092
_exptl_absorpt_correction_T_max  0.980
_exptl_absorpt_correction_T_min  0.973
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2005)'
_exptl_crystal_colour            light-yellow
_exptl_crystal_density_diffrn    1.295
_exptl_crystal_density_method    'Not Measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             360
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.602
_refine_diff_density_min         -0.391
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.066
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     227
_refine_ls_number_reflns         4108
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.066
_refine_ls_R_factor_all          0.0741
_refine_ls_R_factor_gt           0.0591
_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^)+(0.0997P)^2^+0.2730P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1766
_refine_ls_wR_factor_ref         0.1941
_reflns_number_gt                3134
_reflns_number_total             4108
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            tk5115.cif
_cod_data_source_block           I
_cod_original_cell_volume        873.01(7)
_cod_database_code               2235652
_cod_database_fobs_code          2235652