Intermolecular bonding of 3-aminopropanol (3-AP) molecules is discussed in comparison to 2-aminopropanol (2-AP) and 2-aminoethamol (2-AE). The consideration is based on the results of nonempirical quantum chemical simulations of the molecular clusters carried out at the MP2/6-31+G(d,p) level. Particular attention is paid to the formation of variously ordered 3-AP aggregates, which can be doubled or bracelet rings, extended chains, ribbons, or double helices, impossible in the case of any close amino alcohol analogue, but favorable for the solvation of diverse either hydrophilic or hydrophobic species.
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