Spectroscopic and Structural Studies of Thermally Unstable Intermediates Generated in the Reaction of [Pt(PPh3)2(η2-C2H4)] with Dihydrodisilanes
Arii, Hidekazu; Takahashi, Makiko; Noda, Aki; Nanjo, Masato; Mochida, Kunio; Organometallics 27 (2008) 1929–; doi:10.1021/om800012s

data_4071176
_publ_section_title
;
 Spectroscopic and Structural Studies of Thermally Unstable Intermediates
 Generated in the Reaction of [Pt(PPh3)2(\h2-C2H4)] with Dihydrodisilanes
;
_journal_issue                   8
_journal_name_full               Organometallics
_journal_page_first              1929
_journal_paper_doi               10.1021/om800012s
_journal_volume                  27
_journal_year                    2008
_chemical_formula_sum            'C55 H50 P2 Pt Si'
_chemical_formula_weight         996.07
_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   mixed
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                97.0400(10)
_cell_angle_beta                 94.1000(10)
_cell_angle_gamma                98.4360(10)
_cell_formula_units_Z            2
_cell_length_a                   9.5937(2)
_cell_length_b                   11.1677(2)
_cell_length_c                   21.3492(3)
_cell_measurement_reflns_used    4295
_cell_measurement_temperature    100
_cell_measurement_theta_max      24.15
_cell_measurement_theta_min      2.28
_cell_volume                     2236.19(7)
_computing_cell_refinement       'APEX2 (Bruker AXS, 2006)'
_computing_data_collection       'APEX2 '
_computing_data_reduction        'SAINT (Bruker AXS, 2004)'
_computing_molecular_graphics    'XSHEL (Bruker AXS,2002)'
_computing_publication_material  'XCIF (Bruker AXS, 2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100
_diffrn_detector_area_resol_mean 8.333
_diffrn_measured_fraction_theta_full 0.962
_diffrn_measured_fraction_theta_max 0.962
_diffrn_measurement_device_type  'Bruker APEXII CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  'multilayer confocal mirror'
_diffrn_radiation_source         'fine-focus rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0371
_diffrn_reflns_av_sigmaI/netI    0.0722
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            17514
_diffrn_reflns_theta_full        28.28
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         0.97
_exptl_absorpt_coefficient_mu    3.273
_exptl_absorpt_correction_T_max  0.7147
_exptl_absorpt_correction_T_min  0.5606
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
SADABS Sheldrick 1996
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.479
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1004
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.11
_refine_diff_density_max         4.755
_refine_diff_density_min         -2.029
_refine_diff_density_rms         0.171
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.051
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     540
_refine_ls_number_reflns         10680
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.051
_refine_ls_R_factor_all          0.0634
_refine_ls_R_factor_gt           0.0504
_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^)+(0.0560P)^2^+3.0456P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1127
_refine_ls_wR_factor_ref         0.1211
_reflns_number_gt                8876
_reflns_number_total             10680
_reflns_threshold_expression     >2sigma
_cod_data_source_file            om800012s-file002.cif
_cod_data_source_block           Complex_4a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 

The following automatic conversions were performed:

'_atom_sites_solution_hydrogens' value 'geom and difmap' was changed
to 'mixed'.

Automatic conversion script
Id: cif_fix_values 6452 2018-10-05 10:23:21Z andrius 
;
_cod_original_sg_symbol_H-M      'P-1   '
_cod_database_code               4071176