Crystal structure of 3-amino-1-(4-meth-oxy-phen-yl)-1H-benzo[f]chromene-2-carbo-nitrile.
Mohamed, Shaaban K.; Horton, Peter N.; Akkurt, Mehmet; Younes, Sabry H. H.; Albayati, Mustafa R.; Acta crystallographica. Section E, Crystallographic communications 71 (2015) o468–9; doi:10.1107/S2056989015011020

data_2311285
_publ_section_title
;
 Crystal structure of
 3-amino-1-(4-meth-oxy-phen-yl)-1H-benzo[f]chromene-2-carbo-nitrile.
;
_journal_coeditor_code           HG5445
_journal_issue                   'Pt 7'
_journal_name_full
'Acta crystallographica. Section E, Crystallographic communications'
_journal_page_first              o468
_journal_page_last               9
_journal_paper_doi               10.1107/S2056989015011020
_journal_volume                  71
_journal_year                    2015
_chemical_formula_iupac          'C21 H16 N2 O2'
_chemical_formula_moiety         'C21 H16 N2 O2'
_chemical_formula_sum            'C21 H16 N2 O2'
_chemical_formula_weight         328.36
_chemical_name_systematic
;
3-Amino-1-(4-methoxyphenyl)-1<i>H</i>-benzo[<i>f</i>]chromene-2-carbonitrile
;
_space_group_IT_number           15
_space_group_name_Hall           '-I 2ya'
_space_group_name_H-M_alt        'I 1 2/a 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-I 2ya'
_symmetry_space_group_name_H-M   'I 1 2/a 1'
_atom_sites_solution_hydrogens   mixed
_cell_angle_alpha                90
_cell_angle_beta                 94.332(4)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   20.6017(14)
_cell_length_b                   6.1461(4)
_cell_length_c                   25.9689(16)
_cell_measurement_reflns_used    15816
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      68.3
_cell_measurement_theta_min      2.6
_cell_volume                     3278.8(4)
_computing_cell_refinement
;
<i>CrystalClearSM Expert</i> (Rigaku, 2012)
;
_computing_data_collection
;
<i>CrystalClearSM Expert</i> (Rigaku, 2012)
;
_computing_data_reduction
;
<i>CrystalClearSM Expert</i> (Rigaku, 2012)
;
_computing_molecular_graphics
;
ORTEP-3 for Windows (Farrugia, 2012)
;
_computing_publication_material
;
WinGX (Farrugia, 2012)
;
_computing_structure_refinement
;
SHELXL2014 (Sheldrick, 2015)
;
_computing_structure_solution
;
SUPERFLIP (Palatinus & Chapuis, 2007)
;
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 22.2222
_diffrn_measured_fraction_theta_full 0.973
_diffrn_measured_fraction_theta_max 0.969
_diffrn_measurement_device       'four-circle quarter \c goniometer'
_diffrn_measurement_device_type  'Rigaku AFC11'
_diffrn_measurement_method       'profile data from \w-scans'
_diffrn_radiation_source         'Rotating Anode'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0369
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            12941
_diffrn_reflns_reduction_process
;
;
_diffrn_reflns_theta_full        67.69
_diffrn_reflns_theta_max         68.24
_diffrn_reflns_theta_min         3.41
_exptl_absorpt_coefficient_mu    0.696
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.910
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
(<i>CrystalClearSM Expert</i>; Rigaku, 2012)
;
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.330
_exptl_crystal_density_method    'Not Measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             1376
_exptl_crystal_size_max          0.380
_exptl_crystal_size_mid          0.230
_exptl_crystal_size_min          0.130
_refine_diff_density_max         0.312
_refine_diff_density_min         -0.226
_refine_ls_extinction_coef       0.0014(2)
_refine_ls_extinction_expression FC^*^=KFC[1+0.001XFC^2^\L^3^/SIN(2\Q)]^-1/4^
_refine_ls_extinction_method
;
SHELXL2014 (Sheldrick, 2015)
;
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     236
_refine_ls_number_reflns         2914
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.0416
_refine_ls_R_factor_gt           0.0409
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0752P)^2^+2.3851P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1152
_refine_ls_wR_factor_ref         0.1161
_reflns_number_gt                2832
_reflns_number_total             2914
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            hg5445sup1.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'I 2/a'
_cod_database_code               2311285