Macropolyhedral boron-containing cluster chemistry. Characterisation of rigid 77-atom [Pt(B18H20)2]2- dianion isomers and an unusual metallaborane homophilic interaction
Abstract
Reaction of [Pt(cod)Cl
2
]
(cod = cycloocta-1,5-diene) with
[NEt
4
]
2
[anti-B
18
H
20
] or with [syn-B
18
H
22
] and tmnda
(tmnda = N,N,N
′
,N′-tetramethylnaphthalene-1,8-diamine) resulted
in the generation of
[Pt(anti-B
18
H
20
)
2
]
2
-
or
[Pt(syn-B
18
H
20
)
2
]
2
-
dianions, for which intramolecular steric crowding imposes
rigid slab structures, and which have unusual intimately packed
anion-layer structures in their salts in the solid state.
′
,N′-tetramethylnaphthalene-1,8-diamine) resulted
in the generation of
[Pt(anti-B
18
H
20
)
2
]
2
-
or
[Pt(syn-B
18
H
20
)
2
]
2
-
dianions, for which intramolecular steric crowding imposes
rigid slab structures, and which have unusual intimately packed
anion-layer structures in their salts in the solid state.
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