<i>rac</i>-2-Iodo-3,4-dihydronaphthalen-1(2<i>H</i>)-one
Raza, Abdul Rauf; Tahir, M. Nawaz; Sultan, Ayesha; Danish, Muhammad; Sohail, Muhammad; Acta Crystallographica Section E 65 (2009) o3172–; doi:10.1107/S1600536809049095

data_2224264
_publ_section_title
;
 <i>rac</i>-2-Iodo-3,4-dihydronaphthalen-1(2<i>H</i>)-one
;
_journal_coeditor_code           HB5236
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o3172
_journal_paper_doi               10.1107/S1600536809049095
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          'C10 H9 I O'
_chemical_formula_moiety         'C10 H9 I O'
_chemical_formula_sum            'C10 H9 I O'
_chemical_formula_weight         272.07
_chemical_name_systematic
;
<i>rac</i>-2-Iodo-3,4-dihydronaphthalen-1(2<i>H</i>)-one
;
_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                 90.551(5)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   6.115(5)
_cell_length_b                   19.658(4)
_cell_length_c                   15.896(5)
_cell_measurement_reflns_used    4397
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.82
_cell_measurement_theta_min      2.44
_cell_volume                     1910.7(17)
_computing_cell_refinement       'SAINT (Bruker, 2007)'
_computing_data_collection       'APEX2 (Bruker, 2007)'
_computing_data_reduction        'SAINT (Bruker, 2007)'
_computing_molecular_graphics
'ORTEP-3 (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 7.50
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.973
_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  0.0263
_diffrn_reflns_av_sigmaI/netI    0.0208
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            19043
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         27.82
_diffrn_reflns_theta_min         2.44
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.307
_exptl_absorpt_correction_T_max  0.717
_exptl_absorpt_correction_T_min  0.685
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2005)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.892
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1040
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.390
_refine_diff_density_min         -0.495
_refine_ls_extinction_coef       0.00283(17)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL97 (Sheldrick, 2008)'
_refine_ls_goodness_of_fit_ref   1.066
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     238
_refine_ls_number_reflns         4397
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.066
_refine_ls_R_factor_all          0.0339
_refine_ls_R_factor_gt           0.0237
_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^)+(0.0273P)^2^+0.6672P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0544
_refine_ls_wR_factor_ref         0.0588
_reflns_number_gt                3632
_reflns_number_total             4397
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            hb5236.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2224264
_cod_database_fobs_code          2224264