Abstract
| Language | English |
|---|---|
| Pages | 1651-1655 |
| Number of pages | 4 |
| Journal | Dalton Transactions |
| Volume | 2002 |
| Issue number | 8 |
| DOIs | |
| Publication status | Published - 25 Mar 2002 |
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Keywords
- ring-stacking
- chemistry
- superbase
- complex
- nuclear chemistry
- inorganic chemistry
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New homo- and hetero-alkali metal alkoxide cages: crystal structures of [Me2N(CH2)(2)OLi](8) and [{Me2N(CH2)(2)O}(12)Li8K6]O. / Andrews, P.C.; MacLellan, J.G.; Mulvey, R.E.; Nichols, P.J.
In: Dalton Transactions, Vol. 2002, No. 8, 25.03.2002, p. 1651-1655.Research output: Contribution to journal › Article
TY - JOUR
T1 - New homo- and hetero-alkali metal alkoxide cages: crystal structures of [Me2N(CH2)(2)OLi](8) and [{Me2N(CH2)(2)O}(12)Li8K6]O
AU - Andrews, P.C.
AU - MacLellan, J.G.
AU - Mulvey, R.E.
AU - Nichols, P.J.
PY - 2002/3/25
Y1 - 2002/3/25
N2 - The reaction of N,N'-dimethylaminoethanol (DMAEH), (Me)(2)N(CH2)(2)OH, with (BuLi)-Bu-n and (BuLi)-Bu-n/(BuK)-Bu-n respectively results in the formation of the homo- and hetero-metallic alkoxides [(MeN)-N-2(CH2)(2)OLi](8), 1, and [{Me2N(CH2)(2)O}(12)Li8K6]O, 2, rather than mixed alkyl-alkoxide species. From single crystal X-ray diffraction studies the two complexes are shown to be highly aggregated cage structures. Complex 1 (monoclinic, C2/c) adopts a rare octameric structure constructed from a ring stacked hexamer fused with a (LiO)(2) dimer creating a sixteen vertex Li-O cluster. Complex 2, which crystallises (rhombohedral, R (3) over bar) with thf and cyclohexane molecules in the lattice, forms a highly symmetrical, almost spherical, cage with an unprecedented Li:K ratio of 8:6.
AB - The reaction of N,N'-dimethylaminoethanol (DMAEH), (Me)(2)N(CH2)(2)OH, with (BuLi)-Bu-n and (BuLi)-Bu-n/(BuK)-Bu-n respectively results in the formation of the homo- and hetero-metallic alkoxides [(MeN)-N-2(CH2)(2)OLi](8), 1, and [{Me2N(CH2)(2)O}(12)Li8K6]O, 2, rather than mixed alkyl-alkoxide species. From single crystal X-ray diffraction studies the two complexes are shown to be highly aggregated cage structures. Complex 1 (monoclinic, C2/c) adopts a rare octameric structure constructed from a ring stacked hexamer fused with a (LiO)(2) dimer creating a sixteen vertex Li-O cluster. Complex 2, which crystallises (rhombohedral, R (3) over bar) with thf and cyclohexane molecules in the lattice, forms a highly symmetrical, almost spherical, cage with an unprecedented Li:K ratio of 8:6.
KW - ring-stacking
KW - chemistry
KW - superbase
KW - complex
KW - nuclear chemistry
KW - inorganic chemistry
UR - http://dx.doi.org/10.1039/b110708a
U2 - 10.1039/b110708a
DO - 10.1039/b110708a
M3 - Article
VL - 2002
SP - 1651
EP - 1655
JO - Dalton Transactions
T2 - Dalton Transactions
JF - Dalton Transactions
SN - 1477-9226
IS - 8
ER -