Tellurium(0) as a Ligand: Synthesis and Characterization of 2-Pyridyltellurolates of Platinum(II) and Structures of [Pt{2-Te-3-(R)C5H3N}2Te(PR'3)] (R = H or Me)
Rohit Singh Chauhan; G. Kedarnath; Amey Wadawale; Alvaro Muñoz-Castro; Ramiro Arratia-Perez; Vimal K. Jain; Wolfgang Kaim; Inorganic Chemistry 49 (2010) 4179–4185; doi:10.1021/ic902347s

data_4315460
_publ_section_title
;
 Tellurium(0) as a Ligand: Synthesis and Characterization of
 2-Pyridyltellurolates of Platinum(II) and Structures of
 [Pt{2-Te-3-(R)C5H3N}2Te(PR'3)] (R = H or Me)
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              4179
_journal_page_last               4185
_journal_paper_doi               10.1021/ic902347s
_journal_volume                  49
_journal_year                    2010
_chemical_formula_sum            'C28 H23 N2 P Pt Te3'
_chemical_formula_weight         996.34
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      15
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 93.850(11)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   39.040(7)
_cell_length_b                   13.261(4)
_cell_length_c                   11.9426(11)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      13.4
_cell_measurement_theta_min      10.6
_cell_volume                     6169(2)
_computing_cell_refinement       WinAFC
_computing_data_collection       WinAFC
_computing_data_reduction        CrystalStructure
_computing_molecular_graphics    'Ortep-3 for windows'
_computing_publication_material  'WinGX 1.70.01'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    SIR92
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku AFC7S'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0324
_diffrn_reflns_av_sigmaI/netI    0.0785
_diffrn_reflns_limit_h_max       50
_diffrn_reflns_limit_h_min       -50
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            8525
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         2.72
_diffrn_standards_decay_%        -1.63
_diffrn_standards_interval_count 150
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    7.400
_exptl_absorpt_correction_T_max  0.5249
_exptl_absorpt_correction_T_min  0.1558
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   '(North, Phillips & Mathews, 1968)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    2.146
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             3632
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.047
_refine_diff_density_min         -1.182
_refine_diff_density_rms         0.191
_refine_ls_extinction_coef       0.000022(11)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.933
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     317
_refine_ls_number_reflns         7078
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.933
_refine_ls_R_factor_all          0.0874
_refine_ls_R_factor_gt           0.0419
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0453P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0980
_refine_ls_wR_factor_ref         0.1082
_reflns_number_gt                4589
_reflns_number_total             7078
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic902347s_si_001_1.cif
_cod_data_source_block           '[Pt(Tepy)2Te(PPh3)]'
_cod_database_code               4315460