Air- and moisture-stable p-monothiobenzoquinones incorporated in an octaalkyl-s-hydrindacene skeleton.
Hachiya, Makoto; Ito, Mikinao; Matsuo, Tsukasa; Hashizume, Daisuke; Fueno, Hiroyuki; Tanaka, Kazuyoshi; Tamao, Kohei; Organic letters 13 (2011) 2666–2669; doi:10.1021/ol200768b

data_1502172
_publ_section_title
;
 Air- and moisture-stable p-monothiobenzoquinones incorporated in an
 octaalkyl-s-hydrindacene skeleton.
;
_journal_issue                   10
_journal_name_full               'Organic letters'
_journal_page_first              2666
_journal_page_last               2669
_journal_paper_doi               10.1021/ol200768b
_journal_volume                  13
_journal_year                    2011
_chemical_formula_moiety         'C20 H28 O S'
_chemical_formula_sum            'C20 H28 O S'
_chemical_formula_weight         316.48
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90
_cell_angle_beta                 90.4817(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.00740(10)
_cell_length_b                   19.0009(4)
_cell_length_c                   15.4033(4)
_cell_measurement_reflns_used    48285
_cell_measurement_temperature    90
_cell_measurement_theta_max      31.01
_cell_measurement_theta_min      1.07
_cell_volume                     1758.16(7)
_computing_cell_refinement       HKL2000
_computing_data_collection       CrystalClear
_computing_data_reduction        HKL2000
_computing_molecular_graphics    SV
_computing_publication_material  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      90
_diffrn_detector_area_resol_mean 7.31
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Rigaku AFC-8 with Saturn70 CCD'
_diffrn_measurement_method       \w-scan
_diffrn_radiation_monochromator  confocal
_diffrn_radiation_source         'fine-focus rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0706
_diffrn_reflns_av_sigmaI/netI    0.0388
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            47432
_diffrn_reflns_theta_full        31.00
_diffrn_reflns_theta_max         31.00
_diffrn_reflns_theta_min         1.70
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.185
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.196
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             688
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.351
_refine_diff_density_min         -0.422
_refine_diff_density_rms         0.050
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.059
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     216
_refine_ls_number_reflns         5590
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      1.119
_refine_ls_R_factor_all          0.0650
_refine_ls_R_factor_gt           0.0451
_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^)+(0.0596P)^2^+0.3996P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1184
_refine_ls_wR_factor_ref         0.1276
_reflns_number_gt                4196
_reflns_number_total             5590
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ol200768b_si_002.cif
_cod_data_source_block           Mindthioquinone
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               1502172