2-[(<i>Z</i>)-4,7-Dichloro-3,3-dimethyl-2,3-dihydro-1<i>H</i>-indol-2-ylidene]-3-oxopropanenitrile
Helliwell, Madeleine; Baradarani, Mehdi M.; Mohammadnejadaghdam, Razieh; Afghan, Arash; Joule, John A.; Acta Crystallographica Section E 68 (2012) o233–; doi:10.1107/S1600536811053906

data_2233347
_publ_section_title
;
 2-[(<i>Z</i>)-4,7-Dichloro-3,3-dimethyl-2,3-dihydro-1<i>H</i>-indol-2-ylidene]-3-oxopropanenitrile
;
_journal_coeditor_code           ZQ2144
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o233
_journal_paper_doi               10.1107/S1600536811053906
_journal_volume                  68
_journal_year                    2012
_chemical_formula_moiety         'C13 H10 Cl2 N2 O'
_chemical_formula_sum            'C13 H10 Cl2 N2 O'
_chemical_formula_weight         281.13
_chemical_name_systematic
;
2-[(<i>Z</i>)-4,7-Dichloro-3,3-dimethyl-2,3-dihydro-1<i>H</i>-indol-2-
ylidene]-3-oxopropanenitrile
;
_space_group_IT_number           2
_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                105.151(2)
_cell_angle_beta                 104.855(2)
_cell_angle_gamma                95.296(2)
_cell_formula_units_Z            2
_cell_length_a                   7.0535(8)
_cell_length_b                   7.9455(10)
_cell_length_c                   12.2883(15)
_cell_measurement_reflns_used    954
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.61
_cell_measurement_theta_min      2.69
_cell_volume                     633.09(13)
_computing_cell_refinement       'SAINT (Bruker, 2002)'
_computing_data_collection       'SMART (Bruker, 2001)'
_computing_data_reduction        'SAINT (Bruker, 2002)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.973
_diffrn_measured_fraction_theta_max 0.973
_diffrn_measurement_device_type  'Bruker SMART CCD area-detector'
_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  0.0363
_diffrn_reflns_av_sigmaI/netI    0.0585
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            3237
_diffrn_reflns_theta_full        25.35
_diffrn_reflns_theta_max         25.35
_diffrn_reflns_theta_min         1.80
_exptl_absorpt_coefficient_mu    0.500
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.724
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2001)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.475
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       irregular
_exptl_crystal_F_000             288
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.60
_exptl_crystal_size_min          0.40
_refine_diff_density_max         0.365
_refine_diff_density_min         -0.333
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     169
_refine_ls_number_reflns         2268
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.0503
_refine_ls_R_factor_gt           0.0463
_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^)+(0.0661P)^2^+0.3121P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1227
_refine_ls_wR_factor_ref         0.1265
_reflns_number_gt                2028
_reflns_number_total             2268
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            zq2144.cif
_cod_data_source_block           I
_cod_database_code               2233347
_cod_database_fobs_code          2233347