2,5-Dimethyl-3,4-bis(methylsulfanyl)benzo[1,2-<i>b</i>:4,3-<i>b</i>']difuran
Choi, Hong Dae; Jang, Ji Bong; Seo, Pil Ja; Son, Byeng Wha; Lee, Uk; Acta Crystallographica Section E 62 (2006) o2722–o2724; doi:10.1107/S1600536806020538

data_2209539
_publ_section_title
;
 2,5-Dimethyl-3,4-bis(methylsulfanyl)benzo[1,2-<i>b</i>:4,3-<i>b</i>']difuran
;
_journal_coeditor_code           HK2046
_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2722
_journal_page_last               o2724
_journal_paper_doi               10.1107/S1600536806020538
_journal_volume                  62
_journal_year                    2006
_chemical_formula_iupac          'C14 H14 O2 S2'
_chemical_formula_moiety         'C14 H14 O2 S2'
_chemical_formula_sum            'C14 H14 O2 S2'
_chemical_formula_weight         278.37
_chemical_name_systematic
;
2,5-Dimethyl-3,4-bis(methylsulfanyl)benzo[1,2-b:4,3-b']difuran
;
_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
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 117.60(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   18.106(6)
_cell_length_b                   8.936(3)
_cell_length_c                   9.300(3)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      10.7
_cell_measurement_theta_min      9.5
_cell_volume                     1333.5(8)
_computing_cell_refinement       STADI4
_computing_data_collection       'STADI4 (Stoe & Cie, 1996)'
_computing_data_reduction        'X-RED  (Stoe & Cie, 1996)'
_computing_molecular_graphics
'ORTEP-3 (Farrugia, 1997) and DIAMOND (Brandenburg, 1998)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Stoe Stadi-4'
_diffrn_measurement_method       \w/2\q
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0247
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            1526
_diffrn_reflns_theta_full        27.43
_diffrn_reflns_theta_max         27.43
_diffrn_reflns_theta_min         2.54
_diffrn_standards_decay_%        2.8
_diffrn_standards_interval_time  60
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.390
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.387
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             584
_exptl_crystal_size_max          0.53
_exptl_crystal_size_mid          0.31
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.313
_refine_diff_density_min         -0.391
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.074
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     82
_refine_ls_number_reflns         1526
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.074
_refine_ls_R_factor_all          0.0800
_refine_ls_R_factor_gt           0.0562
_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^)+(0.0696P)^2^+2.3312P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1376
_refine_ls_wR_factor_ref         0.1582
_reflns_number_gt                1138
_reflns_number_total             1526
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            hk2046.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               2209539
_cod_database_fobs_code          2209539