9,10-Diiodophenanthrene
Yokota, Ruri; Kitamura, Chitoshi; Kawase, Takeshi; Acta Crystallographica Section E 68 (2012) o3323–; doi:10.1107/S1600536812045758

data_2236939
_publ_section_title
;
 9,10-Diiodophenanthrene
;
_journal_coeditor_code           JJ2155
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o3323
_journal_paper_doi               10.1107/S1600536812045758
_journal_volume                  68
_journal_year                    2012
_chemical_formula_iupac          'C14 H8 I2'
_chemical_formula_moiety         'C14 H8 I2'
_chemical_formula_sum            'C14 H8 I2'
_chemical_formula_weight         430
_chemical_name_systematic
;
9,10-diiodophenanthrene
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_cell_angle_alpha                90
_cell_angle_beta                 111.953(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   18.094(2)
_cell_length_b                   9.4557(14)
_cell_length_c                   7.4187(10)
_cell_measurement_reflns_used    3465
_cell_measurement_temperature    223
_cell_measurement_theta_max      27.52
_cell_measurement_theta_min      3.045
_cell_volume                     1177.2(3)
_computing_cell_refinement       'PROCESS-AUTO (Rigaku, 1998)'
_computing_data_collection       'RAPID-AUTO (Rigaku, 1999)'
_computing_data_reduction        'PROCESS-AUTO (Rigaku, 1998)'
_computing_molecular_graphics    'ORTEP-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR2004 (Burla <i>et al.</i>, 2005)'
_diffrn_ambient_temperature      223
_diffrn_detector_area_resol_mean 10
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Rigaku R-AXIS RAPID'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0301
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            5595
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         3.49
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    5.309
_exptl_absorpt_correction_T_max  0.8688
_exptl_absorpt_correction_T_min  0.3877
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   '(NUMABS; Higashi, 1999)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.426
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             792
_exptl_crystal_size_max          0.52
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.92
_refine_diff_density_min         -0.92
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.121
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     73
_refine_ls_number_reflns         1345
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.121
_refine_ls_R_factor_all          0.0467
_refine_ls_R_factor_gt           0.0328
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0077P)^2^+13.1956P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0664
_refine_ls_wR_factor_ref         0.083
_reflns_number_gt                1077
_reflns_number_total             1345
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            jj2155.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               2236939
_cod_database_fobs_code          2236939