Unexpected bonding similarities between the bridging metalloligands [MoCp(CO)3]− and [PtI(CO)2(PPh3)]− acting as 4-electron donors in metal clusters. Crystal structures of [Pt2Mo(μ-CO)3(μ-PPh2)Cp(PPh3)2] and [Pt3(μ-CO)2(μ-PPh2)I(PPh3)3]
Archambault, Christine; Bender, Robert; Braunstein, Pierre; Bouaoud, Salah-Eddine; Rouag, Djemel; Golhen, Stéphane; Ouahab, Lahcène; Chemical Communications  (2001) 849–; doi:10.1039/b101410m

data_7115079
_publ_section_title
;
 Unexpected bonding similarities between the bridging metalloligands
 [MoCp(CO)3]&#x2212; and [PtI(CO)2(PPh3)]&#x2212; acting as 4-electron
 donors in metal clusters. Crystal structures of
 [Pt2Mo(\m-CO)3(\m-PPh2)Cp(PPh3)2] and [Pt3(\m-CO)2(\m-PPh2)I(PPh3)3]
;
_journal_issue                   9
_journal_name_full               'Chemical Communications'
_journal_page_first              849
_journal_paper_doi               10.1039/b101410m
_journal_year                    2001
_chemical_formula_moiety         'C56 H47 Mo O4 P3 Pt2'
_chemical_formula_sum            'C56 H47 Mo O4 P3 Pt2'
_chemical_formula_weight         1363.04
_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'
_cell_angle_alpha                109.271(6)
_cell_angle_beta                 92.541(6)
_cell_angle_gamma                106.169(6)
_cell_formula_units_Z            2
_cell_length_a                   12.053(1)
_cell_length_b                   13.690(1)
_cell_length_c                   17.292(3)
_cell_measurement_reflns_used    24
_cell_measurement_temperature    173
_cell_measurement_theta_max      21.0
_cell_measurement_theta_min      20.1
_cell_volume                     2557.5(5)
_computing_cell_refinement       CAD4_(Enraf-Nonius,_1994)
_computing_data_collection       CAD4_(Enraf-Nonius,_1994)
_computing_data_reduction        process_OpenMoleN_(_1997)
_computing_publication_material  CIFGEN_IN_OpenMoleN_(_1997)
_computing_structure_refinement  LSFM_OpenMoleN_(_1997)
_computing_structure_solution    Direct_methods_(SIR,_Burla_et_al.,_1989)
_diffrn_ambient_temperature      173
_diffrn_measurement_device_type  Enraf_Nonius_CAD4
_diffrn_measurement_method       \q/2\q
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           Mo-K\a
_diffrn_radiation_wavelength     0.70930
_diffrn_reflns_av_R_equivalents  0
_diffrn_reflns_av_sigmaI/netI    0.333
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            8988
_diffrn_reflns_theta_max         24.92
_diffrn_reflns_theta_min         2.5
_diffrn_source                   xray_tube
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  60
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    5.886
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.7104
_exptl_absorpt_correction_type   refdelf_(Walker_&_Stuart,_1983)
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.77
_exptl_crystal_density_method    none
_exptl_crystal_description       prism
_exptl_crystal_F_000             1316
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.12
_refine_diff_density_max         1.050
_refine_diff_density_min         -0.168
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_all   18.454
_refine_ls_goodness_of_fit_ref   1.095
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_constraints    0
_refine_ls_number_parameters     594
_refine_ls_number_reflns         7078
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.042
_refine_ls_R_factor_gt           0.023
_refine_ls_shift/esd_mean        0.000
_refine_ls_shift/su_max          0.015
_refine_ls_structure_factor_coef F
_refine_ls_weighting_scheme      sigma
_refine_ls_wR_factor_all         0.566
_refine_ls_wR_factor_ref         0.034
_reflns_number_gt                7078
_reflns_number_total             8988
_reflns_threshold_expression     >3.0\s(I)
_cod_data_source_file            b101410m.txt
_cod_data_source_block           st-Pt2Mo-367
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7115079