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_7150069
_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          372.5(5)
_chemical_name_common
;
(1R,5S,5S)-Spiro(6,6-dimethyl-bicyclo(3.1.1)heptane)-2,5-(5,6-
dihydro-(1,3)dithiolo(4,5-b)(1,4)dithiine-2-thione)
;
_chemical_name_systematic
;
(1R,5S,5S)-Spiro[6,6-dimethyl-bicyclo[3.1.1]heptane]-2,5-
[5,6-dihydro-[1,3]dithiolo[4,5-b][1,4]dithiine-2-thione]
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 93.0600(16)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.3217(2)
_cell_length_b                   13.4551(4)
_cell_length_c                   17.5120(5)
_cell_measurement_reflns_used    9387
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.81
_cell_volume                     1487.43(8)
_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 9.091
_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  0.0612
_diffrn_reflns_av_sigmaI/netI    0.0857
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            19537
_diffrn_reflns_theta_full        27.51
_diffrn_reflns_theta_max         27.51
_diffrn_reflns_theta_min         3.03
_exptl_absorpt_coefficient_mu    0.758
_exptl_absorpt_correction_T_max  0.868
_exptl_absorpt_correction_T_min  0.832
_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    1.485
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       slab
_exptl_crystal_F_000             696
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.305
_refine_diff_density_min         -0.366
_refine_diff_density_rms         0.070
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.01(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.820
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     453
_refine_ls_number_reflns         6771
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.820
_refine_ls_R_factor_all          0.0682
_refine_ls_R_factor_gt           0.0422
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0989
_refine_ls_wR_factor_ref         0.1131
_reflns_number_gt                5327
_reflns_number_total             6771
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b502437d.txt
_cod_data_source_block           compound40
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_melting_point' value '372-373' was changed to '372.5(5)' -
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      P21
_cod_database_code               7150069