Crystal structure of 2-amino-4-(2,3-dichlorophenyl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile, C16H12Cl2N2O2
He, Jing; Zeitschrift für Kristallographie - New Crystal Structures 232 (2017) 237–238; doi:10.1515/ncrs-2016-0221

data_8106494
_publ_section_title
;
 Crystal structure of
 2-amino-4-(2,3-dichlorophenyl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile,
 C16H12Cl2N2O2
;
_journal_issue                   2
_journal_name_full
'Zeitschrift f\"ur Kristallographie - New Crystal Structures'
_journal_page_first              237
_journal_page_last               238
_journal_paper_doi               10.1515/ncrs-2016-0221
_journal_volume                  232
_journal_year                    2017
_chemical_formula_moiety         'C16 H12 Cl2 N2 O2'
_chemical_formula_sum            'C16 H12 Cl2 N2 O2'
_chemical_formula_weight         335.18
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.0741(4)
_cell_length_b                   14.9623(8)
_cell_length_c                   16.2178(9)
_cell_measurement_reflns_used    1296
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      26.8230
_cell_measurement_theta_min      2.8570
_cell_volume                     1473.91(15)
_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 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0274
_diffrn_reflns_av_sigmaI/netI    0.0489
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       7
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            3651
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.51
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  none
_diffrn_standards_number         none
_exptl_absorpt_coefficient_mu    0.448
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.85339
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   crystalclear
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.510
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             688
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.199
_refine_diff_density_min         -0.206
_refine_diff_density_rms         0.041
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.01(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.025
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     199
_refine_ls_number_reflns         2336
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.0477
_refine_ls_R_factor_gt           0.0376
_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^)+(0.0391P)^2^+0.0170P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0828
_refine_ls_wR_factor_ref         0.0918
_reflns_number_gt                1999
_reflns_number_total             2336
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            suppl_ncrs-2016-0221_suppl.cif
_cod_data_source_block           a
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               8106494