Crystal structure of 2-amino-5,6,7,8-tetrahydro-7,7-dimethyl-4-(naphthalen-2-yl)-5-oxo-4<i>H</i>-chromene-3-carbonitrile
Hebishy, Ali M. S.; Elgemeie, Galal H.; Ali, Rasha A. E.; Jones, Peter G.; Acta Crystallographica Section E 78 (2022) –; doi:10.1107/S2056989022005199

data_2244102
_publ_section_title
;
 Crystal structure of
 2-amino-5,6,7,8-tetrahydro-7,7-dimethyl-4-(naphthalen-2-yl)-5-oxo-4<i>H</i>-chromene-3-carbonitrile
;
_journal_coeditor_code           HB8021
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first
;
;
_journal_paper_doi               10.1107/S2056989022005199
_journal_volume                  78
_journal_year                    2022
_chemical_formula_iupac          'C22 H20 N2 O2'
_chemical_formula_moiety         'C22 H20 N2 O2'
_chemical_formula_sum            'C22 H20 N2 O2'
_chemical_formula_weight         344.40
_chemical_name_systematic
2-Amino-5,6,7,8-tetrahydro-7,7-dimethyl-4-(naphthalen-2-yl)-5-oxo-4<i>H</i>-chromene-3-carbonitrile
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     dual
_audit_creation_method           SHELXL-2018/3
_cell_angle_alpha                90
_cell_angle_beta                 97.8724(10)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   25.3144(3)
_cell_length_b                   9.25765(11)
_cell_length_c                   15.6778(2)
_cell_measurement_reflns_used    35871
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      77.4450
_cell_measurement_theta_min      3.5260
_cell_volume                     3639.49(8)
_computing_cell_refinement
;
CrysAlisPro (Rigaku OD, 2021)
;
_computing_data_collection
;
CrysAlisPro (Rigaku OD, 2021)
;
_computing_data_reduction
;
CrysAlisPro (Rigaku OD, 2021)
;
_computing_molecular_graphics
;
XP (Siemens, 1994)
;
_computing_publication_material
;
<i>SHELXL2018/3</i> (Sheldrick, 2015b)
;
_computing_structure_refinement
;
<i>SHELXL2018/3</i> (Sheldrick, 2015b)
;
_computing_structure_solution
;
SHELXT (Sheldrick, 2015a)
;
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 10.0000
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'XtaLAB Synergy, HyPix'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0303
_diffrn_reflns_av_unetI/netI     0.0113
_diffrn_reflns_limit_h_max       31
_diffrn_reflns_limit_h_min       -31
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            61093
_diffrn_reflns_theta_full        77.000
_diffrn_reflns_theta_max         77.623
_diffrn_reflns_theta_min         3.525
_diffrn_source                   'micro-focus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    0.647
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.82558
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
(CrysalisPro; Rigaku OD, 2021)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.257
_exptl_crystal_description       lath
_exptl_crystal_F_000             1456
_exptl_crystal_size_max          0.08
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.217
_refine_diff_density_min         -0.204
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.067
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     245
_refine_ls_number_reflns         3856
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.066
_refine_ls_R_factor_all          0.0373
_refine_ls_R_factor_gt           0.0355
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0362P)^2^+2.6486P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0848
_refine_ls_wR_factor_ref         0.0860
_reflns_number_gt                3694
_reflns_number_total             3856
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            hb8021sup1.cif
_cod_data_source_block           I
_cod_original_cell_volume        3639.51(8)
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               2244102
_shelx_estimated_absorpt_t_min   0.950
_shelx_estimated_absorpt_t_max   0.987
_shelx_hkl_checksum              90065
_shelx_res_checksum              33647
_cod_database_fobs_code 2244102