SCHEDULED MAINTENANCE
Synthesis and structure of [Sb{(PriN)2CNHPri}{(Pr iN)2CNPri}]; a distorted trigonal-bipyramidal antimony(iii) complex with a helical hydrogen-bond network
Abstract
1,2,3-Triisopropylguanidine
[(Pr
i
NH)
2
C![[double bond, length as m-dash]](https://www.rsc.org/images/entities/char_e001.gif)
NPr
i
], reacts with
antimony tris(dimethylamide) [Sb(NMe
2
)
3
] to provide
[Sb{(Pr
i
N)
2
CNHPr
i
}{(Pr
i
N)
2
CNPr
i
}] 1, a heavily distorted
trigonal-bipyramidal complex in which the Sb is chelated by a
[C(NPr
i
)
3
]
2-
dianion and a
[(Pr
i
N)
2
CNHPr
i
]
-
monoanion; in the solid state the complexes form helices by
N–H···N hydrogen bonding of the single
proton.
NPr
i
], reacts with
antimony tris(dimethylamide) [Sb(NMe
2
)
3
] to provide
[Sb{(Pr
i
N)
2
CNHPr
i
}{(Pr
i
N)
2
CNPr
i
}] 1, a heavily distorted
trigonal-bipyramidal complex in which the Sb is chelated by a
[C(NPr
i
)
3
]
2-
dianion and a
[(Pr
i
N)
2
CNHPr
i
]
-
monoanion; in the solid state the complexes form helices by
N–H···N hydrogen bonding of the single
proton.
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