TeX4 (X = F, Cl, Br) as Lewis acids–complexes with soft thio- and seleno-ether ligands.
Hector, Andrew L.; Jolleys, Andrew; Levason, William; Reid, Gillian; Dalton transactions (Cambridge, England : 2003) 41 (2012) 10988–10999; doi:10.1039/c2dt30968h

data_7020204
_publ_section_title
;
 TeX4 (X = F, Cl, Br) as Lewis acids--complexes with soft thio- and
 seleno-ether ligands.
;
_journal_issue                   36
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              10988
_journal_page_last               10999
_journal_paper_doi               10.1039/c2dt30968h
_journal_volume                  41
_journal_year                    2012
_chemical_formula_moiety         'C10 H14 Cl4 S2 Te'
_chemical_formula_sum            'C10 H14 Cl4 S2 Te'
_chemical_formula_weight         467.73
_chemical_name_systematic
;
tetrachloro(1,2-bis(methylsulfanylmethyl)benzene-S,S')tellurium(IV)
;
_space_group_IT_number           62
_space_group_name_Hall           '-P 2ac 2n'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2011-12-25
_audit_creation_method           'SHELXL-97 + hand edit'
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   19.451(3)
_cell_length_b                   11.603(2)
_cell_length_c                   7.1757(10)
_cell_measurement_reflns_used    2119
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.91
_cell_volume                     1619.5(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type
'Bruker-Nonius APEX II CCD camera on \k-goniostat'
_diffrn_measurement_method       '\f & \w scans'
_diffrn_radiation_monochromator  '10cm confocal mirrors'
_diffrn_radiation_source         'Bruker-Nonius FR591 rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0287
_diffrn_reflns_av_sigmaI/netI    0.0232
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            12485
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         3.03
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.732
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.7971
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'G.M. Sheldrick, (2007). SADABS. Version 2007/2. Bruker AXS Inc.'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.918
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             904
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.904
_refine_diff_density_min         -0.423
_refine_diff_density_rms         0.079
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.131
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     83
_refine_ls_number_reflns         1937
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.131
_refine_ls_R_factor_all          0.0215
_refine_ls_R_factor_gt           0.0196
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0000P)^2^+2.0277P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0419
_refine_ls_wR_factor_ref         0.0428
_reflns_number_gt                1853
_reflns_number_total             1937
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            c2dt30968h.txt
_cod_data_source_block           11ajj18a
_cod_database_code               7020204