Fig. 2From: Synthesis, structure and toxicity evaluation of ethanolamine nitro/chloronitrobenzoates: a combined experimental and theoretical studyIntramolecular hydrogen bonds resulting in synthons, layer and crystal packing in compound 1. a The R4 4(18) synthon formed by hydrogen bonds in compound 1; b the chains formed by hydrogen bonds in 1; c the crystal packing of 1 showing the weak interactions between the chains via C–O hydrogen bondsBack to article page