Crystal structure of 2-amino-4-(3,4-difluorophenyl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile, C16H12N2O2F2
Zhang, Guang-Hui; Zeitschrift für Kristallographie - New Crystal Structures 231 (2016) 223–224; doi:10.1515/ncrs-2015-0097

data_8106832
_publ_section_title
;
 Crystal structure of
 2-amino-4-(3,4-difluorophenyl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile,
 C16H12N2O2F2
;
_journal_issue                   1
_journal_name_full
'Zeitschrift f\"ur Kristallographie - New Crystal Structures'
_journal_page_first              223
_journal_page_last               224
_journal_paper_doi               10.1515/ncrs-2015-0097
_journal_volume                  231
_journal_year                    2016
_chemical_formula_moiety         'C16 H12 F2 N2 O2'
_chemical_formula_sum            'C16 H12 F2 N2 O2'
_chemical_formula_weight         302.28
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 101.411(9)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   13.2109(11)
_cell_length_b                   10.9570(10)
_cell_length_c                   20.2646(18)
_cell_measurement_reflns_used    1551
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.8120
_cell_measurement_theta_min      2.7620
_cell_volume                     2875.4(4)
_computing_cell_refinement       'Bruker FRAMBO'
_computing_data_collection       'Bruker FRAMBO'
_computing_data_reduction        'Bruker SAINT'
_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 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'multiwire proportional'
_diffrn_measurement_method       'phi and omega 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  0.0200
_diffrn_reflns_av_sigmaI/netI    0.0354
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            5321
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.43
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  none
_diffrn_standards_number         none
_exptl_absorpt_coefficient_mu    0.111
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.79759
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   crystalclear
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.397
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1248
_exptl_crystal_size_max          0.19
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.571
_refine_diff_density_min         -0.232
_refine_diff_density_rms         0.043
_refine_ls_extinction_coef       0.0046(8)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     200
_refine_ls_number_reflns         2528
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0754
_refine_ls_R_factor_gt           0.0529
_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^)+(0.0775P)^2^+2.3983P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1445
_refine_ls_wR_factor_ref         0.1649
_reflns_number_gt                1841
_reflns_number_total             2528
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            suppl_ncrs-2015-0097_suppl.cif
_cod_data_source_block           a
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               8106832