Extending knowledge on the nucleophilicity of the {Pt2S2} core: Ph2PCH2CH2PPh2 as an alternative terminal ligand in [L2Pt(μ-S)2PtL2] metalloligands †
Capdevila, Mercè; Carrasco, Yolanda; Clegg, William; Coxall, Robert A.; González-Duarte, Pilar; Lledós, Agustí; Antonio Ramírez, José; Ramírez, Antonio; Journal of the Chemical Society, Dalton Transactions  (1999) 3103–; doi:10.1039/a903899j

data_7027550
_publ_section_title
;
 Extending knowledge on the nucleophilicity of the {Pt2S2} core:
 Ph2PCH2CH2PPh2 as an alternative terminal ligand in [L2Pt(\m-S)2PtL2]
 metalloligands&#x200A;&#x2020;
;
_journal_issue                   17
_journal_name_full
'Journal of the Chemical Society, Dalton Transactions'
_journal_page_first              3103
_journal_paper_doi               10.1039/a903899j
_journal_year                    1999
_chemical_formula_sum            'C104 H96 Cl2 O8 P8 Pt4 S4 Zn'
_chemical_formula_weight         2766.44
_space_group_IT_number           20
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'C 2c 2'
_symmetry_space_group_name_H-M   'C 2 2 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.649(8)
_cell_length_b                   33.654(19)
_cell_length_c                   23.209(12)
_cell_measurement_reflns_used    18388
_cell_measurement_temperature    160(2)
_cell_measurement_theta_max      26.94
_cell_measurement_theta_min      1.44
_cell_volume                     10661(10)
_computing_cell_refinement       'local programs'
_computing_data_collection       'Siemens SMART'
_computing_data_reduction        'Siemens SAINT'
_computing_molecular_graphics    'Siemens SHELXTL'
_computing_publication_material  'SHELXTL and local programs'
_computing_structure_refinement  'Siemens SHELXTL'
_computing_structure_solution    'Siemens SHELXTL'
_diffrn_ambient_temperature      160(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Siemens SMART CCD diffractometer'
_diffrn_measurement_method       '\w rotation with narrow frames'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           synchrotron
_diffrn_radiation_wavelength     0.68650
_diffrn_reflns_av_R_equivalents  0.0889
_diffrn_reflns_av_sigmaI/netI    0.1143
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -41
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            24591
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.44
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    5.753
_exptl_absorpt_correction_T_max  0.977
_exptl_absorpt_correction_T_min  0.651
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.724
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             5376
_exptl_crystal_size_max          0.08
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.04
_refine_diff_density_max         2.064
_refine_diff_density_min         -2.329
_refine_diff_density_rms         0.319
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.11(2)
_refine_ls_extinction_coef       0.00024(2)
_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   1.219
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     593
_refine_ls_number_reflns         10357
_refine_ls_number_restraints     1578
_refine_ls_restrained_S_all      1.145
_refine_ls_R_factor_all          0.1239
_refine_ls_R_factor_gt           0.1052
_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^)+(0.0000P)^2^+1074.3800P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2223
_refine_ls_wR_factor_ref         0.2295
_reflns_number_gt                8358
_reflns_number_total             10357
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            903899jsup1.cif
_cod_data_source_block           zn
_cod_original_sg_symbol_H-M      C222(1)
_cod_database_code               7027550