1,3-Dimethyl-5,6,7,8-tetrahydro-4<i>H</i>-cyclohepta[<i>c</i>]thiophene-4,8-dione
Yu, Lijuan; Yin, Yinghui; Zhou, Xiaole; Li, Renjie; Peng, Tianyou; Acta Crystallographica Section E 66 (2010) o3231–; doi:10.1107/S1600536810047331

data_2228581
_publ_section_title
;
 1,3-Dimethyl-5,6,7,8-tetrahydro-4<i>H</i>-cyclohepta[<i>c</i>]thiophene-4,8-dione
;
_journal_coeditor_code           VM2059
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o3231
_journal_paper_doi               10.1107/S1600536810047331
_journal_volume                  66
_journal_year                    2010
_chemical_formula_iupac          'C11 H12 O2 S'
_chemical_formula_moiety         'C11 H12 O2 S'
_chemical_formula_sum            'C11 H12 O2 S'
_chemical_formula_weight         208.27
_chemical_name_systematic
;
1,3-Dimethyl-5,6,7,8-tetrahydro-4<i>H</i>-cyclohepta[<i>c</i>]thiophene-
4,8-dione
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   15.9875(6)
_cell_length_b                   7.6354(3)
_cell_length_c                   16.9963(6)
_cell_measurement_reflns_used    4563
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      22.18
_cell_measurement_theta_min      2.40
_cell_volume                     2074.75(13)
_computing_cell_refinement       'SAINT (Bruker, 2001)'
_computing_data_collection       'APEX2 (Bruker, 2004)'
_computing_data_reduction        'SAINT (Bruker, 2001)'
_computing_molecular_graphics    'SHELXTL-Plus (Sheldrick, 2008)'
_computing_publication_material  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0337
_diffrn_reflns_av_sigmaI/netI    0.0204
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            15732
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.40
_exptl_absorpt_coefficient_mu    0.282
_exptl_absorpt_correction_T_max  0.9510
_exptl_absorpt_correction_T_min  0.9202
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2004)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.333
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             880
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.159
_refine_diff_density_min         -0.289
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.022
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     129
_refine_ls_number_reflns         1822
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.0519
_refine_ls_R_factor_gt           0.0392
_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^)+(0.0555P)^2^+0.5349P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0995
_refine_ls_wR_factor_ref         0.1087
_reflns_number_gt                1430
_reflns_number_total             1822
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            vm2059.cif
_cod_data_source_block           I
_cod_database_code               2228581
_cod_database_fobs_code          2228581