Heteroleptic Chini-Type Platinum Clusters: Synthesis and Characterization of Bis-Phospine Derivatives of [Pt3n(CO)6n](2-) (n = 2-4).
Cesari, Cristiana; Ciabatti, Iacopo; Femoni, Cristina; Iapalucci, Maria Carmela; Mancini, Federica; Zacchini, Stefano; Inorganic chemistry 56 (2017) 1655–1668; doi:10.1021/acs.inorgchem.6b02750

data_4345496
_publ_section_title
;
 Heteroleptic Chini-Type Platinum Clusters: Synthesis and Characterization
 of Bis-Phospine Derivatives of [Pt3n(CO)6n](2-) (n = 2-4).
;
_journal_issue                   3
_journal_name_full               'Inorganic chemistry'
_journal_page_first              1655
_journal_page_last               1668
_journal_paper_doi               10.1021/acs.inorgchem.6b02750
_journal_volume                  56
_journal_year                    2017
_chemical_formula_sum            'C87 H78 Cl6 O6 P6 Pt6'
_chemical_formula_weight         2788.55
_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                92.720(2)
_cell_angle_beta                 98.368(2)
_cell_angle_gamma                98.969(2)
_cell_formula_units_Z            2
_cell_length_a                   15.3436(5)
_cell_length_b                   15.7219(6)
_cell_length_c                   18.4766(7)
_cell_measurement_reflns_used    9876
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.684
_cell_measurement_theta_min      2.234
_cell_volume                     4344.5(3)
_computing_cell_refinement       'APEX2 (Bruker AXS, 2006)'
_computing_data_collection       'APEX2 (Bruker AXS, 2006)'
_computing_data_reduction        'SAINT (Bruker AXS, 2004)'
_computing_molecular_graphics    'SCHAKAL99 (Keller, 1999)'
_computing_publication_material  'XCIF (Bruker AXS, 2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0747
_diffrn_reflns_av_unetI/netI     0.0711
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            73574
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         1.36
_exptl_absorpt_coefficient_mu    9.970
_exptl_absorpt_correction_T_max  0.3808
_exptl_absorpt_correction_T_min  0.2984
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
 Data were corrected for Lorentz polarization and absorption
 effects (empirical absorption corrections SADABS).
 R(int) = 0.1622 (selected reflections only, before parameter refinement)
 R(int) = 0.0702 (selected reflections only, after parameter refinement)
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    2.132
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2616
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.12
_refine_diff_density_max         3.530
_refine_diff_density_min         -2.626
_refine_diff_density_rms         0.235
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.017
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1000
_refine_ls_number_reflns         18871
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.017
_refine_ls_R_factor_all          0.0514
_refine_ls_R_factor_gt           0.0377
_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^)+(0.0247P)^2^+1.1374P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0808
_refine_ls_wR_factor_ref         0.0870
_reflns_number_gt                15382
_reflns_number_total             18871
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic6b02750_si_002.cif
_cod_data_source_block           Pt6(CO)6(dppe)3
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4345496