Theoretical Study of Mixed Hydrogen and Dihydrogen Bond Interactions in <svg     style="vertical-align:-5.27768pt;width:116.925px;" id="M1" height="22.612499" version="1.1" viewBox="0 0 116.925 22.612499" width="116.925"  xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg">
	
		
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</svg> Clusters

<table>Geometries of clusters of <svg height="15.7" id="M8" style="vertical-align:-3.27605pt" version="1.1" viewbox="0 0 37.012501 15.7" width="37.012501" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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q0 61 -13.5 75.5t-72.5 19.5v28h261z" id="x48"></path></g>
<g transform="matrix(.012,-0,0,-.012,23.012,15.637)"><path d="M456 178h-96v-72q0 -51 12.5 -62.5t72.5 -16.5v-27h-256v27q65 5 78 17t13 62v72h-260v28q182 271 300 426h40v-407h96v-47zM280 225v295h-2q-107 -148 -196 -295h198z" id="x34"></path></g><g transform="matrix(.012,-0,0,-.012,29.35,3.4)"><path d="M535 230h-483v50h483v-50z" id="x2212"></path></g>
</svg> with NH<sub>3</sub> optimized at MP2/6-311++g(d,p) level.</table>

Journal of Chemistry

fig1

Figure 1

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</svg> Clusters 

Journal of Chemistry

Theoretical Study of Mixed Hydrogen and Dihydrogen Bond Interactions in Clusters

Figure 1