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Replacement of hydrogen by fluorine in aliphatic alcohols leads to rich isomerism in the associated clusters, involving conformation, hydrogen bond topology and chiral recognition issues.}, (\textbf{2006}), in press.} Besides the classical OH$\cdots$O hydrogen bond the aggregates are stabilized by two weaker interactions: OH$\cdots$F and CH$\cdots$F. The aggregates are formed in a jet expansion and characterized by FTIR spectroscopy, based on their stagnation pressure dependence and on argon coating effects. The experimental data are supported by quantum chemical calculations.