[TeSe~3~]^2-^ and [TeSe~2~]^2^ as synthons
Dibrov, Sergey M.; Ibers, James A.; Chemical Communications (Cambridge, United Kingdom)  (2003) 2158–2159; doi:10.1039/b306415h

data_7103891
_publ_section_title
;
 [TeSe~3~]^2-^ and [TeSe~2~]^2^ as synthons
;
_journal_coden_ASTM              CHCOFS
_journal_issue                   17
_journal_name_full
;
 Chemical Communications (Cambridge, United Kingdom)
;
_journal_page_first              2158
_journal_page_last               2159
_journal_paper_doi               10.1039/b306415h
_journal_year                    2003
_chemical_formula_sum            'C48 H40 Au2 P2 Se4 Te2'
_chemical_formula_weight         1643.71
_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                 97.7510(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.8089(5)
_cell_length_b                   13.6406(7)
_cell_length_c                   17.5009(10)
_cell_measurement_temperature    153(2)
_cell_volume                     2320.2(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      153(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0335
_diffrn_reflns_av_sigmaI/netI    0.0168
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            19346
_diffrn_reflns_theta_full        23.26
_diffrn_reflns_theta_max         23.26
_diffrn_reflns_theta_min         1.90
_exptl_absorpt_coefficient_mu    10.788
_exptl_absorpt_correction_type   numerical
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    2.353
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1512
_refine_diff_density_max         1.737
_refine_diff_density_min         -1.620
_refine_diff_density_rms         0.169
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.081
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     262
_refine_ls_number_reflns         3331
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.081
_refine_ls_R_factor_all          0.0309
_refine_ls_R_factor_gt           0.0295
_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^)+(0.0500P)^2^+12.9493P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0847
_refine_ls_wR_factor_ref         0.0855
_reflns_number_gt                3137
_reflns_number_total             3331
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b306415h.txt
_cod_data_source_block           Au2(TeSe2)2
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               7103891