Abstract
In chemistry the word conformer describes one of a set of stereoisomers, all having the same molecular formula and identical constitution (connectivities between the atoms) but differing by the spatially orientations of their functional groups in the molecular frame. Often these structural differences between individual conformers are subtle. For 3-aminophenol (C6H7NO), hereafter 3AP, only the position of one single hydrogen atom distinguishes the two stable conformers cis- and trans-3AP, see fig. 2 a). In the case of 3AP this modest change gives rise to a significant rise in the permanent dipole moment (trans-3AP 0.77D vs. cis-3AP 2.3D).
© 2009 IEEE
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