4-Chloro-1-iodo-2-nitrobenzene
Tahir, M. Nawaz; Arshad, Muhammad Nadeem; Khan, Islam Ullah; Shafiq, Muhammad; Acta Crystallographica Section E 65 (2009) o535–; doi:10.1107/S1600536809004930

data_2221077
_publ_section_title
;
 4-Chloro-1-iodo-2-nitrobenzene
;
_journal_coeditor_code           HB2905
_journal_issue                   3
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o535
_journal_paper_doi               10.1107/S1600536809004930
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          'C6 H3 Cl I N O2'
_chemical_formula_moiety         'C6 H3 Cl I N O2'
_chemical_formula_sum            'C6 H3 Cl I N O2'
_chemical_formula_weight         283.44
_chemical_name_systematic
;
4-Chloro-1-iodo-2-nitrobenzene
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90
_cell_angle_beta                 93.361(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   4.1583(2)
_cell_length_b                   14.5213(7)
_cell_length_c                   13.7990(6)
_cell_measurement_reflns_used    2157
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      28.70
_cell_measurement_theta_min      2.81
_cell_volume                     831.80(7)
_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, 1997) and PLATON (Spek, 2009)'
_computing_publication_material
'WinGX (Farrugia, 1999) and PLATON (Spek, 2009)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_detector_area_resol_mean 7.40
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker Kappa APEXII CCD'
_diffrn_measurement_method       \w
_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  0.0246
_diffrn_reflns_av_sigmaI/netI    0.0207
_diffrn_reflns_limit_h_max       3
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            9922
_diffrn_reflns_theta_full        28.70
_diffrn_reflns_theta_max         28.70
_diffrn_reflns_theta_min         2.81
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    4.118
_exptl_absorpt_correction_T_max  0.664
_exptl_absorpt_correction_T_min  0.554
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2005)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    2.263
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             528
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.659
_refine_diff_density_min         -0.596
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.015
_refine_ls_hydrogen_treatment    refxyz
_refine_ls_matrix_type           full
_refine_ls_number_parameters     128
_refine_ls_number_reflns         2157
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.015
_refine_ls_R_factor_all          0.0352
_refine_ls_R_factor_gt           0.0228
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0177P)^2^+0.626P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0466
_refine_ls_wR_factor_ref         0.0513
_reflns_number_gt                1684
_reflns_number_total             2157
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            hb2905.cif
_cod_data_source_block           I
_cod_original_cell_volume        831.81(7)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2221077
_cod_database_fobs_code          2221077