Carbon-Sulfur Bond Cleavage and Hydrodesulfurization of Thiophenes by Tungsten
Aaron Sattler; Gerard Parkin; Journal of the American Chemical Society 133 (2011) 3748–3751; doi:10.1021/ja111034g

data_4105780
_publ_section_title
;
 Carbon-Sulfur Bond Cleavage and Hydrodesulfurization of Thiophenes by
 Tungsten
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              3748
_journal_page_last               3751
_journal_paper_doi               10.1021/ja111034g
_journal_volume                  133
_journal_year                    2011
_chemical_formula_sum            'C20 H44 P4 S W'
_chemical_formula_weight         624.34
_chemical_name_systematic
; 
 ? 
;
_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   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 98.724(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   18.507(2)
_cell_length_b                   15.220(2)
_cell_length_c                   19.118(3)
_cell_measurement_reflns_used    9936
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      30.54
_cell_measurement_theta_min      2.54
_cell_volume                     5322.8(12)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0814
_diffrn_reflns_av_sigmaI/netI    0.0629
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            82546
_diffrn_reflns_theta_full        30.03
_diffrn_reflns_theta_max         30.03
_diffrn_reflns_theta_min         1.43
_exptl_absorpt_coefficient_mu    4.664
_exptl_absorpt_correction_T_max  0.8003
_exptl_absorpt_correction_T_min  0.3083
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            YELLOW
_exptl_crystal_density_diffrn    1.558
_exptl_crystal_description       NEEDLE
_exptl_crystal_F_000             2512
_exptl_crystal_size_max          0.33
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         3.650
_refine_diff_density_min         -2.237
_refine_diff_density_rms         0.189
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     500
_refine_ls_number_reflns         15571
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0786
_refine_ls_R_factor_gt           0.0514
_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^)+(0.0375P)^2^+27.8708P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1065
_refine_ls_wR_factor_ref         0.1177
_reflns_number_gt                11523
_reflns_number_total             15571
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja111034g_si_002_4.cif
_cod_data_source_block           wbths10
_cod_original_cell_volume        5322.9(12)
_cod_database_code               4105780