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Conformation-determining factors for complexes of 18-crown-6 with cations

โœ Scribed by Mitsuhiro Miyazawa; Kunio Fukushima; Sumio Oe


Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
565 KB
Volume
195
Category
Article
ISSN
0022-2860

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๐Ÿ“œ SIMILAR VOLUMES


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Complexes between the heavier lanthanoid nitrates Ln(NO~3~)~3~ and 15โ€crownโ€5 (**1**) and 18โ€crownโ€6 (**2**) ethers were isolated and characterized. Both 1:1 and 4:3 complexes are formed with each Ln(III) ion, except in the case of Gd and **2**. The thermal transformation of the 1:1 complexes into t

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## Abstract Complexes of 18โ€crownโ€6 with alkaliโ€“metal cations (Na^+^, K^+^, and Rb^+^), urea, and the uncomplexed crown ether were studied __in vacuo__ with the molecular dynamics method. Conformational data from these calculations (simulation times in the range from 6โ€“15 ns) was compared with info