1,3-Diiodoazulene-2-carbonitrile
Förster, Sebastian; Seichter, Wilhelm; Weber, Edwin; Acta Crystallographica Section E 69 (2013) o654–o655; doi:10.1107/S1600536813008301

data_2238114
_publ_section_title
;
 1,3-Diiodoazulene-2-carbonitrile
;
_journal_coeditor_code           ZP2002
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o654
_journal_page_last               o655
_journal_paper_doi               10.1107/S1600536813008301
_journal_volume                  69
_journal_year                    2013
_chemical_formula_iupac          'C11 H5 I2 N'
_chemical_formula_moiety         'C11 H5 I2 N'
_chemical_formula_sum            'C11 H5 I2 N'
_chemical_formula_weight         404.96
_chemical_name_systematic
;
1,3-Diiodoazulene-2-carbonitrile
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 96.9520(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   4.26770(10)
_cell_length_b                   14.9344(4)
_cell_length_c                   16.7882(4)
_cell_measurement_reflns_used    7883
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      36.47
_cell_measurement_theta_min      2.73
_cell_volume                     1062.14(5)
_computing_cell_refinement       'SAINT (Bruker, 2007)'
_computing_data_collection       'APEX2 (Bruker, 2007)'
_computing_data_reduction        'SAINT (Bruker, 2007)'
_computing_molecular_graphics    'ORTEP-3 for Windows  (Farrugia, 2012)'
_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 0.982
_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_device_type  'Bruker APEXII 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  0.0232
_diffrn_reflns_av_sigmaI/netI    0.0224
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            17691
_diffrn_reflns_theta_full        35.10
_diffrn_reflns_theta_max         35.10
_diffrn_reflns_theta_min         1.83
_exptl_absorpt_coefficient_mu    5.878
_exptl_absorpt_correction_T_max  0.8434
_exptl_absorpt_correction_T_min  0.1500
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2007)'
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    2.532
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             736
_exptl_crystal_size_max          0.52
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.03
_refine_diff_density_max         1.479
_refine_diff_density_min         -1.324
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     127
_refine_ls_number_reflns         4616
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0313
_refine_ls_R_factor_gt           0.0237
_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^)+(0.0289P)^2^+0.3529P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0554
_refine_ls_wR_factor_ref         0.0580
_reflns_number_gt                3863
_reflns_number_total             4616
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            zp2002.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2238114
_cod_database_fobs_code          2238114