Synthesis and unprecedented oxidation of a cationic Sb-analogue of an Arduengo's carbene
Gudat, Dietrich; Gans-Eichler, Timo; Nieger, Martin; Chemical Communications  (2004) 2434–2435; doi:10.1039/b409657f

data_7111439
_publ_section_title
;
 Synthesis and unprecedented oxidation of a cationic Sb-analogue of an
 Arduengo's carbene
;
_journal_issue                   21
_journal_name_full               'Chemical Communications'
_journal_page_first              2434
_journal_page_last               2435
_journal_paper_doi               10.1039/b409657f
_journal_year                    2004
_chemical_formula_moiety         'C10 H20 Cl4 N2 Sb2'
_chemical_formula_sum            'C10 H20 Cl4 N2 Sb2'
_chemical_formula_weight         553.58
_chemical_name_common
;1,3-Di-tert.butyl-2-chloro-1,3,2-diazastibolenium
tetrachloroantmonate
;
_chemical_name_systematic
;
1,3-Di-tert.butyl-2-chloro-1,3,2-diazastibolenium
tetrachloroantmonate
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_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                 114.408(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.1078(1)
_cell_length_b                   19.5200(2)
_cell_length_c                   10.2340(1)
_cell_measurement_reflns_used    4177
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      1
_cell_volume                     1838.75(3)
_computing_cell_refinement       DENZO-SMN
_computing_data_collection       Collect
_computing_data_reduction        DENZO-SMN
_computing_molecular_graphics    XP
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       'rotation in phi and omega, 1 deg.'
_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  0.0408
_diffrn_reflns_av_sigmaI/netI    0.0217
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            16986
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.38
_diffrn_standards_decay_%        none
_exptl_absorpt_coefficient_mu    3.506
_exptl_absorpt_correction_T_max  0.3297
_exptl_absorpt_correction_T_min  0.2458
_exptl_absorpt_correction_type   'empirical from multiple refl.'
_exptl_absorpt_process_details   'MULABS (Platon, cf. Blessing, 1995)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    2.000
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       blocks
_exptl_crystal_F_000             1056
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.556
_refine_diff_density_min         -0.438
_refine_diff_density_rms         0.078
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.214
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     163
_refine_ls_number_reflns         3213
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.214
_refine_ls_R_factor_all          0.0192
_refine_ls_R_factor_gt           0.0180
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0065P)^2^+1.9532P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0416
_refine_ls_wR_factor_ref         0.0419
_reflns_number_gt                3115
_reflns_number_total             3213
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b409657fsup1.cif
_cod_data_source_block           gudat62m
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7111439