Crystal structure of 2-amino-4-(3,5-difluorophenyl)-7,7-dimethyl-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile, C18H16F2N2O2
Lou, He; Zeitschrift für Kristallographie - New Crystal Structures 231 (2016) 1091–1092; doi:10.1515/ncrs-2016-0072

data_8107110
_publ_section_title
;
 Crystal structure of
 2-amino-4-(3,5-difluorophenyl)-7,7-dimethyl-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile,
 C18H16F2N2O2
;
_journal_issue                   4
_journal_name_full
'Zeitschrift f\"ur Kristallographie - New Crystal Structures'
_journal_page_first              1091
_journal_page_last               1092
_journal_paper_doi               10.1515/ncrs-2016-0072
_journal_volume                  231
_journal_year                    2016
_chemical_formula_moiety         'C18 H16 F2 N2 O2'
_chemical_formula_sum            'C18 H16 F2 N2 O2'
_chemical_formula_weight         330.33
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 98.799(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.619(3)
_cell_length_b                   9.481(2)
_cell_length_c                   14.555(3)
_cell_measurement_reflns_used    3693
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.4779
_cell_measurement_theta_min      2.5727
_cell_volume                     1584.5(6)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.977
_diffrn_measured_fraction_theta_max 0.977
_diffrn_measurement_device_type  'Bruker P4'
_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  0.0136
_diffrn_reflns_av_sigmaI/netI    0.0107
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            11299
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.57
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  none
_diffrn_standards_number         none
_exptl_absorpt_coefficient_mu    0.107
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.0000
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   crystalclear
_exptl_crystal_colour            White
_exptl_crystal_density_diffrn    1.385
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             688
_exptl_crystal_size_max          0.6000
_exptl_crystal_size_mid          0.5000
_exptl_crystal_size_min          0.4000
_refine_diff_density_max         0.232
_refine_diff_density_min         -0.236
_refine_diff_density_rms         0.032
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.019
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     217
_refine_ls_number_reflns         2734
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.019
_refine_ls_R_factor_all          0.0435
_refine_ls_R_factor_gt           0.0404
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0660P)^2^+0.4902P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1107
_refine_ls_wR_factor_ref         0.1139
_reflns_number_gt                2525
_reflns_number_total             2734
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            suppl_ncrs-2016-0072_suppl.cif
_cod_data_source_block           a
_cod_original_cell_volume        1584.6(6)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               8107110