Diarylhalotelluronium(iv) cations [(8-Me2NC10H6)2TeX](+) (X = Cl, Br, I) stabilized by intramolecularly coordinating N-donor substituents.
Beckmann, Jens; Bolsinger, Jens; Duthie, Andrew; Finke, Pamela; Dalton transactions (Cambridge, England : 2003) 42 (2013) 12193–12202; doi:10.1039/c3dt51011e

data_7021713
_publ_section_title
;
 Diarylhalotelluronium(iv) cations [(8-Me2NC10H6)2TeX](+) (X = Cl, Br, I)
 stabilized by intramolecularly coordinating N-donor substituents.
;
_journal_issue                   34
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              12193
_journal_page_last               12202
_journal_paper_doi               10.1039/c3dt51011e
_journal_volume                  42
_journal_year                    2013
_chemical_formula_sum            'C24 H22 Br6 N2 Te'
_chemical_formula_weight         945.50
_chemical_name_systematic
;
 ?
;
_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                89.947(10)
_cell_angle_beta                 108.386(10)
_cell_angle_gamma                110.917(10)
_cell_formula_units_Z            2
_cell_length_a                   9.2192(12)
_cell_length_b                   12.0020(16)
_cell_length_c                   14.3375(18)
_cell_measurement_temperature    150
_cell_volume                     1395.0(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      150
_diffrn_measured_fraction_theta_full 0.980
_diffrn_measured_fraction_theta_max 0.980
_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  0.0903
_diffrn_reflns_av_sigmaI/netI    0.0949
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            14896
_diffrn_reflns_theta_full        29.20
_diffrn_reflns_theta_max         29.20
_diffrn_reflns_theta_min         1.83
_exptl_absorpt_coefficient_mu    9.676
_exptl_absorpt_correction_T_max  0.5200
_exptl_absorpt_correction_T_min  0.0730
_exptl_absorpt_correction_type   refdelf
_exptl_absorpt_process_details
'Walker, N. & Stuart, D. (1983) Acta Cryst. A39, 158-166)'
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    2.251
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             884
_exptl_crystal_size_max          0.39
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.885
_refine_diff_density_min         -0.954
_refine_diff_density_rms         0.155
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.964
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     298
_refine_ls_number_reflns         7426
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.964
_refine_ls_R_factor_all          0.0954
_refine_ls_R_factor_gt           0.0514
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0434P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0930
_refine_ls_wR_factor_ref         0.1048
_reflns_number_gt                4811
_reflns_number_total             7426
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3dt51011e.txt
_cod_data_source_block           9
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7021713