Chemistry Reference
In-Depth Information
Fig. 16 ESI-MS of (a) [Au
6
(dppp)
4
](NO
3
)
2
,(b) the product of reacting [Au
6
(dppp)
4
](NO
3
)
2
[
102
]
in methanol with 2 molar equivalents of AuClPPh
3
in chloroform, (c) [Au
9
(PPh
3
)
8
](NO
3
)
3
[
160
]
and (d) the product of reacting [Au
9
(PPh
3
)
8
](NO
3
)
3
in dichloromethane with 6 equiv. of dppp also
in dichloromethane. dppp ΒΌ 1,3-bis(diphenylphosphino)propane. Figure
reproduced from
Supplementary Material of [
159
]
monitor the ligand etching of [Au
9
(PPh
3
)
8
]
3+
(Fig.
16c
) into monodisperse
[Au
8
(dppp)
4
]
2+
upon addition of 6 equiv. of dppp.
2.5 MS-Based Fragmentation Methods for the Production
of Gas-Phase Gold Cluster Ions
Fragmentation of mass-selected gold cluster ions provides (1) structural informa-
tion and (2) a gas-phase top-down approach to the 'synthesis' of new gold cluster
