Self-association of the N-methyl benzotellurodiazolylium cation: implications for the generation of super-heavy atom radicals.
Risto, Maarit; Reed, Robert W; Robertson, Craig M; Oilunkaniemi, Raija; Laitinen, Risto S; Oakley, Richard T; Chemical communications (Cambridge, England)  (2008) 3278–3280; doi:10.1039/b803159b

data_7103229
_publ_section_title
;
 Self-association of the N-methyl benzotellurodiazolylium cation:
 implications for the generation of super-heavy atom radicals.
;
_journal_issue                   28
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              3278
_journal_page_last               3280
_journal_paper_doi               10.1039/b803159b
_journal_year                    2008
_chemical_formula_sum            'C8 H7 F3 N2 O3 S Se'
_chemical_formula_weight         347.18
_chemical_name_common            'N-methylbenzylselanadiazolium OTf'
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 95.910(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.403(2)
_cell_length_b                   8.5474(19)
_cell_length_c                   16.738(4)
_cell_measurement_reflns_used    1594
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      26.13
_cell_measurement_theta_min      3.27
_cell_volume                     1195.8(5)
_computing_cell_refinement       'APEX II'
_computing_data_collection       'APEX II'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0304
_diffrn_reflns_av_sigmaI/netI    0.0428
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            4636
_diffrn_reflns_theta_full        26.29
_diffrn_reflns_theta_max         26.29
_diffrn_reflns_theta_min         3.27
_exptl_absorpt_coefficient_mu    3.355
_exptl_absorpt_correction_T_max  0.85
_exptl_absorpt_correction_T_min  0.58
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.928
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             680
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.004
_refine_diff_density_min         -0.683
_refine_diff_density_rms         0.108
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.067
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     163
_refine_ls_number_reflns         2400
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.067
_refine_ls_R_factor_all          0.0784
_refine_ls_R_factor_gt           0.0613
_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^)+(0.0659P)^2^+3.6863P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1437
_refine_ls_wR_factor_ref         0.1536
_reflns_number_gt                1871
_reflns_number_total             2400
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b803159b.txt
_cod_data_source_block           mebsen2otf_0m
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7103229