Synthetic strategies to chiral organosulfur donors related to bis(ethylenedithio)tetrathiafulvalene.
Griffiths, Jon-Paul; Nie, Hui; Brown, R. James; Day, Peter; Wallis, John D.; Organic & biomolecular chemistry 3 (2005) 2155–2166; doi:10.1039/b502437d

data_7150071
_publ_section_title
;
 Synthetic strategies to chiral organosulfur donors related to
 bis(ethylenedithio)tetrathiafulvalene.
;
_journal_issue                   11
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              2155
_journal_page_last               2166
_journal_paper_doi               10.1039/b502437d
_journal_volume                  3
_journal_year                    2005
_chemical_absolute_configuration syn
_chemical_formula_sum            'C13 H16 S5'
_chemical_formula_weight         332.56
_chemical_melting_point          399.0(10)
_chemical_name_common
;
(4aR,7R,8S,8aS)-4a,5,6,7,8,8a-Hexahydro-7,8-isopropano-4a-
methyl-1,3-dithiolo (4,5-b)(1,4)benzodithiin-2-thione
;
_chemical_name_systematic
;
(4aR,7R,8S,8aS)-4a,5,6,7,8,8a-Hexahydro-7,8-isopropano-4a-methyl-1,3-dithiolo
[4,5-b][1,4]benzodithiin-2-thione
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   difmap
_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            4
_cell_length_a                   7.60900(10)
_cell_length_b                   9.7890(2)
_cell_length_c                   20.1711(5)
_cell_measurement_reflns_used    9971
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.91
_cell_volume                     1502.43(5)
_computing_cell_refinement
;
'DENZO (Otwinowski and Minor, 1997)'
'COLLECT (Hooft, 1998)'
;
_computing_data_collection
;
'DENZO (Otwinowski and Minor, 1997)'
'COLLECT (Hooft, 1998)'
;
_computing_data_reduction
;
'DENZO (Otwinowski and Minor, 1997)'
'COLLECT (Hooft, 1998)'
;
_computing_molecular_graphics    'ORTEP3 (Johnson and Burnett, 1996)'
_computing_publication_material  'SHELXS-97 (Sheldrick, 1990)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 9.09
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device       'Enraf Nonius KappaCCD area detector'
_diffrn_measurement_method       'Phi and Omega scans to fill Ewald sphere'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enraf Nonius FR591 rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0531
_diffrn_reflns_av_sigmaI/netI    0.0353
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            15154
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.35
_exptl_absorpt_coefficient_mu    0.751
_exptl_absorpt_correction_T_max  0.57
_exptl_absorpt_correction_T_min  0.50
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Using multiple and symmetry-related data measurements via the program
SORTAV
See R. H. Blessing, Acta Cryst. (1995), A51, 33-38
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.470
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             696
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.258
_refine_diff_density_min         -0.403
_refine_diff_density_rms         0.078
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.03(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.044
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     227
_refine_ls_number_reflns         3415
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.0283
_refine_ls_R_factor_gt           0.0253
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0371P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0594
_refine_ls_wR_factor_ref         0.0603
_reflns_number_gt                3208
_reflns_number_total             3415
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b502437d.txt
_cod_data_source_block           compound42
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_melting_point' value '398-400' was changed to '399.0(10)'
- the average value was taken and precision was estimated.

Automatic conversion script
Id: cif_fix_values 1569 2011-02-09 13:29:24Z adriana 
;
_cod_original_sg_symbol_H-M      P212121
_cod_database_code               7150071