Crystal structure of 2-amino-4-(2,6-dichlorophenyl)-7,7-dimethyl-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile, C18H16Cl2N2O2
Sui, Feng; Li, Jing; Zeitschrift für Kristallographie - New Crystal Structures 231 (2016) 489–490; doi:10.1515/ncrs-2015-0150

data_8106917
_publ_section_title
;
 Crystal structure of
 2-amino-4-(2,6-dichlorophenyl)-7,7-dimethyl-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile,
 C18H16Cl2N2O2
;
_journal_issue                   2
_journal_name_full
'Zeitschrift f\"ur Kristallographie - New Crystal Structures'
_journal_page_first              489
_journal_page_last               490
_journal_paper_doi               10.1515/ncrs-2015-0150
_journal_volume                  231
_journal_year                    2016
_chemical_formula_moiety         'C18 H16 Cl2 N2 O2'
_chemical_formula_sum            'C18 H16 Cl2 N2 O2'
_chemical_formula_weight         363.23
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                113.355(8)
_cell_angle_beta                 103.305(7)
_cell_angle_gamma                98.461(7)
_cell_formula_units_Z            2
_cell_length_a                   8.5266(7)
_cell_length_b                   11.2217(9)
_cell_length_c                   11.5785(9)
_cell_measurement_reflns_used    2287
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.2340
_cell_measurement_theta_min      2.7080
_cell_volume                     953.91(16)
_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  0.0252
_diffrn_reflns_av_sigmaI/netI    0.0414
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            5968
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.55
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  none
_diffrn_standards_number         none
_exptl_absorpt_coefficient_mu    0.352
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.53822
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   crystalclear
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.265
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             376
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.398
_refine_diff_density_min         -0.409
_refine_diff_density_rms         0.063
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.094
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     217
_refine_ls_number_reflns         3355
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.094
_refine_ls_R_factor_all          0.0669
_refine_ls_R_factor_gt           0.0524
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0878P)^2^+0.3604P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1587
_refine_ls_wR_factor_ref         0.1747
_reflns_number_gt                2639
_reflns_number_total             3355
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            suppl_ncrs-2015-0150_suppl.cif
_cod_data_source_block           a
_cod_original_cell_volume        953.91(13)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               8106917