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_7105328
_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 Sn, 2(C7 H8)'
_chemical_formula_sum            'C64 H56 P4 Se6 Sn'
_chemical_formula_weight         1541.42
_chemical_name_systematic
;
?
;
_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                 91.70(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   15.803(3)
_cell_length_b                   11.518(2)
_cell_length_c                   16.376(3)
_cell_measurement_reflns_used    9927
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      25.03
_cell_measurement_theta_min      2.50
_cell_volume                     2979.4(9)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction        DENZO-SMN
_computing_molecular_graphics    'DIAMOND (Brandenburg & Berndt, 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 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'KappaCCD (Nonius, FR540C)'
_diffrn_measurement_method       'phi\omega scans'
_diffrn_radiation_monochromator  'horizonally mounted graphite crystal'
_diffrn_radiation_source         'Enraf Nonius FR590D, fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0289
_diffrn_reflns_av_sigmaI/netI    0.0333
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            9927
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         2.50
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    4.241
_exptl_absorpt_correction_T_max  0.9200
_exptl_absorpt_correction_T_min  0.4293
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   'SADABS (SHELXTL-NT v5.1, Bruker)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.718
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1508
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.898
_refine_diff_density_min         -0.685
_refine_diff_density_rms         0.125
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.076
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     340
_refine_ls_number_reflns         5232
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.076
_refine_ls_R_factor_all          0.0603
_refine_ls_R_factor_gt           0.0488
_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^)+(0.0580P)^2^+15.1892P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1209
_refine_ls_wR_factor_ref         0.1287
_reflns_number_gt                4479
_reflns_number_total             5232
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b923910c.txt
_cod_data_source_block           compound_6
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7105328