A Traditional Synthetic Method, and a New Structural Motif, for Molybdenum-Gold Clusters: Synthesis and Solid-State Structure of Au8{Mo(CO)5}4(PPh3)4
Roberto Della Pergola; Luigi Garlaschelli; Maria Carlotta Malatesta; Carlo Manassero; Mario Manassero; Inorganic Chemistry 45 (2006) 8465–8467; doi:10.1021/ic060524l

data_4345994
_publ_section_title
;
 A Traditional Synthetic Method, and a New Structural Motif, for
 Molybdenum-Gold Clusters: Synthesis and Solid-State Structure of
 Au8{Mo(CO)5}4(PPh3)4
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              8465
_journal_page_last               8467
_journal_paper_doi               10.1021/ic060524l
_journal_volume                  45
_journal_year                    2006
_chemical_formula_sum            'C92 H60 Au8 Mo4 O20 P4'
_chemical_formula_weight         3568.88
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_cell_angle_alpha                90
_cell_angle_beta                 91.11(1)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   16.910(1)
_cell_length_b                   26.502(3)
_cell_length_c                   21.427(2)
_cell_measurement_reflns_used    140
_cell_measurement_temperature    223
_cell_measurement_theta_max      23
_cell_measurement_theta_min      3
_cell_volume                     9600.7(15)
_computing_cell_refinement       'SMART (Bruker)'
_computing_data_collection       'SMART (Bruker)'
_computing_data_reduction        'SAINT (Bruker)'
_computing_publication_material  'The Personal SDP (1991)'
_computing_structure_refinement
' Full-matrix least-squares  (The Personal SDP, 1991)'
_computing_structure_solution
' SHELXS-86  (Sheldrick, 1986) as implemented in The Personal SDP'
_diffrn_ambient_temperature      223
_diffrn_measurement_device       'SMART (Bruker)'
_diffrn_measurement_method       omega
_diffrn_radiation_detector       'SMART CCD area detector'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           Mo-K\a
_diffrn_radiation_wavelength     0.7107
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       35
_diffrn_reflns_limit_k_min       -35
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_reduction_process SAINT
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         3.00
_diffrn_standards_decay_%        0.00
_diffrn_standards_number         231
_exptl_absorpt_coefficient_mu    12.77
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.241
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   '  SADABS'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    2.469
_exptl_crystal_description       plate
_exptl_crystal_F_000             6528
_exptl_crystal_size_max          0.422
_exptl_crystal_size_mid          0.282
_exptl_crystal_size_min          0.084
_refine_diff_density_max         2.96
_refine_diff_density_min         -3.32
_refine_ls_goodness_of_fit_all   0.982
_refine_ls_goodness_of_fit_obs   0.982
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_constraints    0
_refine_ls_number_parameters     1153
_refine_ls_number_reflns         23881
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.055
_refine_ls_R_factor_obs          0.055
_refine_ls_shift/esd_max         0.114
_refine_ls_shift/esd_mean        0.003
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_obs         0.074
_cod_data_source_file            ic060524lsi20060328_100917.cif
_cod_data_source_block           compound_[Au8Mo4(CO)20(PPh3)4]
_cod_original_sg_symbol_H-M      'P 2(1)/n'
_cod_database_code               4345994
_diffrn_reflns_number_total      122720
_diffrn_reflns_number_independent 23881
_r_int                           0.0713
_conventional_r1_(i>2\s(i))      0.033
_reflections_with_i>2\s(i)       16303