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_4345491
_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            'C84 H78 N4 O20 P4 Pt12'
_chemical_formula_weight         3928.46
_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                95.896(2)
_cell_angle_beta                 103.899(2)
_cell_angle_gamma                113.0710(10)
_cell_formula_units_Z            1
_cell_length_a                   13.3433(4)
_cell_length_b                   13.8993(4)
_cell_length_c                   14.5522(4)
_cell_measurement_reflns_used    9972
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      29.120
_cell_measurement_theta_min      2.2175
_cell_volume                     2351.05(12)
_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 0.996
_diffrn_measured_fraction_theta_max 0.996
_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  0.0677
_diffrn_reflns_av_unetI/netI     0.0565
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            36872
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.48
_exptl_absorpt_coefficient_mu    17.906
_exptl_absorpt_correction_T_max  0.2225
_exptl_absorpt_correction_T_min  0.1618
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
 Data were corrected for Lorentz polarization and absorption
 effects (empirical absorption corrections SADABS).
 R(int) = 0.1580 (selected reflections only, before parameter refinement)
 R(int) = 0.0709 (selected reflections only, after parameter refinement)
;
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    2.775
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1766
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.12
_refine_diff_density_max         2.052
_refine_diff_density_min         -2.418
_refine_diff_density_rms         0.237
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     603
_refine_ls_number_reflns         9212
_refine_ls_number_restraints     444
_refine_ls_restrained_S_all      1.035
_refine_ls_R_factor_all          0.0472
_refine_ls_R_factor_gt           0.0355
_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^)+(0.0000P)^2^+26.8473P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0775
_refine_ls_wR_factor_ref         0.0826
_reflns_number_gt                7707
_reflns_number_total             9212
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic6b02750_si_002.cif
_cod_data_source_block           '[NMe4]2[Pt12(CO)20(dppe)2]'
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/home/data/users/saulius/crontab/automatic-downloads/current/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 
;
_cod_original_cell_volume        2351.04(12)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4345491