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_4345488
_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            'C52 H64 N2 O10 P2 Pt6'
_chemical_formula_weight         2109.53
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 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                 116.1000(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   25.2580(7)
_cell_length_b                   11.2170(3)
_cell_length_c                   21.8096(6)
_cell_measurement_reflns_used    7574
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.310
_cell_measurement_theta_min      2.451
_cell_volume                     5549.0(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 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0953
_diffrn_reflns_av_unetI/netI     0.0523
_diffrn_reflns_limit_h_max       30
_diffrn_reflns_limit_h_min       -30
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            38717
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         1.80
_exptl_absorpt_coefficient_mu    15.183
_exptl_absorpt_correction_T_max  0.2860
_exptl_absorpt_correction_T_min  0.2091
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
 Data were corrected for Lorentz polarization and absorption
 effects (empirical absorption corrections SADABS).
 R(int) = 0.1491 (selected reflections only, before parameter refinement)
 R(int) = 0.0782 (selected reflections only, after parameter refinement)
;
_exptl_crystal_colour            red-orange
_exptl_crystal_density_diffrn    2.525
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             3872
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.11
_refine_diff_density_max         4.217
_refine_diff_density_min         -1.900
_refine_diff_density_rms         0.348
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.119
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     325
_refine_ls_number_reflns         4906
_refine_ls_number_restraints     12
_refine_ls_restrained_S_all      1.121
_refine_ls_R_factor_all          0.0715
_refine_ls_R_factor_gt           0.0479
_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^)+(0.0516P)^2^+238.4587P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1115
_refine_ls_wR_factor_ref         0.1261
_reflns_number_gt                3862
_reflns_number_total             4906
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic6b02750_si_002.cif
_cod_data_source_block           '[NEt4]2[Pt6(CO)10(dppe)]'
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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_sg_symbol_H-M      C2/c
_cod_database_code               4345488