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_7021717
_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 H25 I3 N2 O Te'
_chemical_formula_weight         865.76
_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                 94.176(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.2981(10)
_cell_length_b                   12.4425(7)
_cell_length_c                   19.6474(19)
_cell_measurement_temperature    150
_cell_volume                     2754.6(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      150
_diffrn_measured_fraction_theta_full 0.978
_diffrn_measured_fraction_theta_max 0.978
_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  0.0406
_diffrn_reflns_av_sigmaI/netI    0.0454
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            19462
_diffrn_reflns_theta_full        29.21
_diffrn_reflns_theta_max         29.21
_diffrn_reflns_theta_min         2.70
_exptl_absorpt_coefficient_mu    4.460
_exptl_absorpt_correction_T_max  0.7780
_exptl_absorpt_correction_T_min  0.3670
_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    2.088
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1608
_exptl_crystal_size_max          0.33
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.08
_refine_diff_density_max         1.522
_refine_diff_density_min         -1.244
_refine_diff_density_rms         0.105
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.849
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     280
_refine_ls_number_reflns         7311
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.849
_refine_ls_R_factor_all          0.0607
_refine_ls_R_factor_gt           0.0354
_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^)+(0.0529P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0800
_refine_ls_wR_factor_ref         0.0864
_reflns_number_gt                5035
_reflns_number_total             7311
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3dt51011e.txt
_cod_data_source_block           13
_cod_original_sg_symbol_H-M      'P 2 1 / n'
_cod_database_code               7021717