Acta Cryst. (2007). B63, 469-476 [ doi:10.1107/S0108768107006969 ]
Abstract: Cluster analysis can be an effective tool for analysing large quantities of data. Here it has been applied to the conformational analysis of enones and enimines in the crystalline solid state, using structural information mined from the Cambridge Structural Database. The forms that are common in the gaseous state and in solution are already known from spectroscopic studies. These forms are also found to be the most common conformations observed in the solid state; however, the clustering method highlights those structures that do not conform to the expected geometries. The study is supported by ab initio gas phase calculations on simple enone and enimine fragments.
Keywords: cluster analysis; conformational analysis; enones; enimines; dSNAP.
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