1,2,3-Thiadiazol-3-ium-3-methanide (ylide) 1,3-dipoles: cycloaddition–rearrangement sequences leading to substituted 1-(2-vinylthioethenyl)pyrazole systems: azolium 1,3-dipoles
Butler, Richard N.; Cloonan, Martin O.; McArdle, P.; Cunningham, D.; Journal of the Chemical Society, Perkin Transactions 1  (1999) 1415–; doi:10.1039/a901727e

data_7213048
_publ_section_title
;
 1,2,3-Thiadiazol-3-ium-3-methanide (ylide) 1,3-dipoles:
 cycloaddition--rearrangement sequences leading to substituted
 1-(2-vinylthioethenyl)pyrazole systems: azolium 1,3-dipoles
;
_journal_issue                   11
_journal_name_full
'Journal of the Chemical Society, Perkin Transactions 1'
_journal_page_first              1415
_journal_paper_doi               10.1039/a901727e
_journal_year                    1999
_chemical_formula_sum            'C27 H24 N2 O8 S'
_chemical_formula_weight         536.54
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                97.974(15)
_cell_angle_beta                 105.989(16)
_cell_angle_gamma                111.055(12)
_cell_formula_units_Z            2
_cell_length_a                   10.605(2)
_cell_length_b                   11.781(2)
_cell_length_c                   12.306(3)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      18
_cell_measurement_theta_min      12
_cell_volume                     1330.0(5)
_computing_molecular_graphics    'ORTEX (P.McArdle, 1995)'
_computing_publication_material  'SHELXL-97/2 (Sheldrick,1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.577
_diffrn_measured_fraction_theta_max 0.577
_diffrn_measurement_device_type  '4-circle diffractometer'
_diffrn_measurement_method       'scintillation counter'
_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  0.0617
_diffrn_reflns_av_sigmaI/netI    0.0313
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            5939
_diffrn_reflns_theta_full        31.94
_diffrn_reflns_theta_max         31.94
_diffrn_reflns_theta_min         2.20
_exptl_absorpt_coefficient_mu    0.174
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.340
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Parallelepiped
_exptl_crystal_F_000             560
_exptl_crystal_size_max          0.46
_exptl_crystal_size_mid          0.31
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.701
_refine_diff_density_min         -0.625
_refine_diff_density_rms         0.089
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.089
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     347
_refine_ls_number_reflns         5305
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.089
_refine_ls_R_factor_all          0.0832
_refine_ls_R_factor_gt           0.0725
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1626P)^2^+0.3029P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2244
_refine_ls_wR_factor_ref         0.2348
_reflns_number_gt                4119
_reflns_number_total             5305
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            901727esup1.cif
_cod_data_source_block           mc5
_cod_depositor_comments
;
The following automatic conversions were performed:
'_atom_site_symetry_multiplicity' tag replaced with
'_atom_site_symmetry_multiplicity'.

Automatic conversion script
Id: cif_correct_tags 1440 2010-10-19 06:21:57Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7213048