4-Chloro-1<i>H</i>-indole-2,3-dione
Juma, Rashid M.; Golen, James A.; Manke, David R.; IUCrData 1 (2016) x160689–; doi:10.1107/S2414314616006891

data_1543224
_publ_section_title
;
 4-Chloro-1<i>H</i>-indole-2,3-dione
;
_journal_coeditor_code           SJ4026
_journal_issue                   4
_journal_name_full               IUCrData
_journal_page_first              x160689
_journal_paper_doi               10.1107/S2414314616006891
_journal_volume                  1
_journal_year                    2016
_chemical_formula_iupac          'C8 H4 Cl N O2'
_chemical_formula_moiety         'C8 H4 Cl N O2'
_chemical_formula_sum            'C8 H4 Cl N O2'
_chemical_formula_weight         181.57
_chemical_name_systematic
;
4-Chloro-1<i>H</i>-indole-2,3-dione
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method
;
Olex2 1.2
(compiled 2016.02.19 svn.r3266 for OlexSys, GUI svn.r5155)
;
_cell_angle_alpha                90
_cell_angle_beta                 104.746(5)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.2745(8)
_cell_length_b                   6.0367(6)
_cell_length_c                   14.8609(14)
_cell_measurement_reflns_used    6743
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      68.50
_cell_measurement_theta_min      3.08
_cell_volume                     717.86(12)
_computing_cell_refinement
;
SAINT (Bruker, 2014)
;
_computing_data_collection
;
APEX2 (Bruker, 2014)
;
_computing_data_reduction
;
SAINT (Bruker, 2014)
;
_computing_molecular_graphics
;
<i>OLEX2</i> (Dolomanov <i>et al.</i>,  2009)
;
_computing_publication_material
;
<i>OLEX2</i> (Dolomanov <i>et al.</i>,  2009) and publCIF (Westrip,
2010)
;
_computing_structure_refinement
;
SHELXL2014 (Sheldrick, 2015)
;
_computing_structure_solution
;
SHELXS97 (Sheldrick, 2008)
;
_diffrn_ambient_temperature      120.06
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker CMOS'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  'HELIOS MX'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0580
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            9961
_diffrn_reflns_theta_full        68.000
_diffrn_reflns_theta_max         68.494
_diffrn_reflns_theta_min         3.075
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    4.314
_exptl_absorpt_correction_T_max  0.3107
_exptl_absorpt_correction_T_min  0.2052
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
(SADABS; Bruker, 2014)
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.680
_exptl_crystal_description       block
_exptl_crystal_F_000             368
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.579
_refine_diff_density_min         -0.269
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0.11(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     224
_refine_ls_number_reflns         2579
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0423
_refine_ls_R_factor_gt           0.0379
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0531P)^2^+0.1710P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0923
_refine_ls_wR_factor_ref         0.0959
_reflns_number_gt                2388
_reflns_number_total             2579
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            sj4026sup1.cif
_cod_data_source_block           I
_cod_database_code               1543224
_cod_database_fobs_code          1543224
_shelx_hkl_checksum              39040
_shelx_res_checksum              73223
_shelxl_version_number           2014/6