Crystal structure of 2-(4-acetyl-2,6-dimethyl-phenyl)-5,6-dichloro-isoindole-1,3-dione, C18H13Cl2NO3
Li, Feng-Cui; Shi, Qi-Lin; Zhou, Xiao-Hu; Ren, Yang; Xu, Hai; Zeitschrift für Kristallographie - New Crystal Structures 231 (2016) 149–151; doi:10.1515/ncrs-2015-0064

data_8106810
_publ_section_title
;
 Crystal structure of
 2-(4-acetyl-2,6-dimethyl-phenyl)-5,6-dichloro-isoindole-1,3-dione,
 C18H13Cl2NO3
;
_journal_issue                   1
_journal_name_full
'Zeitschrift f\"ur Kristallographie - New Crystal Structures'
_journal_page_first              149
_journal_page_last               151
_journal_paper_doi               10.1515/ncrs-2015-0064
_journal_volume                  231
_journal_year                    2016
_chemical_formula_moiety         'C18 H13 Cl2 N O3'
_chemical_formula_sum            'C18 H13 Cl2 N O3'
_chemical_formula_weight         362.19
_chemical_name_common
2-(4-Acetyl-2,6-dimethyl-phenyl)-5,6-dichloro-isoindole-1,3-dione
_chemical_name_systematic
;
2-(4-Acetyl-2,6-dimethyl-phenyl)-5,6-dichloro-isoindole-1,3-dione
;
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 107.5570(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   13.6464(2)
_cell_length_b                   18.1592(3)
_cell_length_c                   13.9829(2)
_cell_measurement_reflns_used    9918
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.53
_cell_measurement_theta_min      2.50
_cell_volume                     3303.66(9)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_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    'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \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  0.0167
_diffrn_reflns_av_sigmaI/netI    0.0159
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            22286
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.71
_exptl_absorpt_coefficient_mu    0.409
_exptl_absorpt_correction_T_max  0.9227
_exptl_absorpt_correction_T_min  0.8872
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.456
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1488
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.296
_refine_diff_density_min         -0.294
_refine_diff_density_rms         0.044
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.021
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     439
_refine_ls_number_reflns         6472
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.021
_refine_ls_R_factor_all          0.0334
_refine_ls_R_factor_gt           0.0291
_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^)+(0.0362P)^2^+1.8874P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0734
_refine_ls_wR_factor_ref         0.0768
_reflns_number_gt                5809
_reflns_number_total             6472
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            suppl_ncrs-2015-0064_suppl.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               8106810
_publcif_info_exptl_table_max_cols 4
_publcif_info_exptl_table_use_headnotes n