Novel carbon-centred reactivity of [(H)C(PPh2Se)2]- in the formation of structurally diverse Sn(IV), Te(IV) and Hg(II) complexes of the triseleno ligand [(Se)C(PPh2Se)2]2-.
Konu, Jari; Chivers, Tristram; Chemical communications (Cambridge, England) 46 (2010) 1431–1433; doi:10.1039/b923910c

data_7105329
_publ_section_title
;
 Novel carbon-centred reactivity of [(H)C(PPh2Se)2]- in the formation
 of structurally diverse Sn(IV), Te(IV) and Hg(II) complexes of the
 triseleno ligand [(Se)C(PPh2Se)2]2-.
;
_journal_issue                   9
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              1431
_journal_page_last               1433
_journal_paper_doi               10.1039/b923910c
_journal_volume                  46
_journal_year                    2010
_chemical_formula_moiety         'C50 H40 P4 Se6 Te, C7 H8'
_chemical_formula_sum            'C57 H48 P4 Se6 Te'
_chemical_formula_weight         1458.19
_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                79.57(3)
_cell_angle_beta                 87.46(3)
_cell_angle_gamma                85.93(3)
_cell_formula_units_Z            4
_cell_length_a                   13.002(3)
_cell_length_b                   17.066(3)
_cell_length_c                   24.900(5)
_cell_measurement_reflns_used    65323
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      68.04
_cell_measurement_theta_min      1.80
_cell_volume                     5416.9(19)
_computing_cell_refinement       'DENZO (Otwinowski & Minor, 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction        'SCALEPACK (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'DIAMOND 3.1d (Brandenburg, 1999)'
_computing_publication_material  'WinGX v1.70-01 (L. J. Farrugia)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.959
_diffrn_measured_fraction_theta_max 0.959
_diffrn_measurement_device_type  'Bruker AXS APEX2 CCD diffractometer'
_diffrn_measurement_method       'phi\omega scans'
_diffrn_radiation_monochromator  'horizonally mounted graphite crystal'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54180
_diffrn_reflns_av_R_equivalents  0.0711
_diffrn_reflns_av_sigmaI/netI    0.0913
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            65323
_diffrn_reflns_theta_full        68.04
_diffrn_reflns_theta_max         68.04
_diffrn_reflns_theta_min         1.80
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    10.351
_exptl_absorpt_correction_T_max  0.3697
_exptl_absorpt_correction_T_min  0.1993
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   'SADABS (SHELXTL-NT v5.1, Bruker)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.788
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2824
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.12
_refine_diff_density_max         1.084
_refine_diff_density_min         -1.309
_refine_diff_density_rms         0.138
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1235
_refine_ls_number_reflns         18963
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0761
_refine_ls_R_factor_gt           0.0478
_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^)+(0.0331P)^2^+2.6190P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1012
_refine_ls_wR_factor_ref         0.1141
_reflns_number_gt                13674
_reflns_number_total             18963
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b923910c.txt
_cod_data_source_block           compound_7
_cod_database_code               7105329