Rafael B. de Almeida

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In this paper we study the manifestations of cooperative effects in the formation of clusters4-methyloxycarbonyl-2-azetidinone. Structural properties of the clusters were obtained at the DFT/B3LYP/6-311G(d) level of calculation, while the energetic ones were calculated at the B3LYP/6-311G(d), B3LYP/6-31++G(d,p) and HCTH407/6-31++G(d,p) DFT levels. The(More)
Recently, multi component crystals composed of two or more molecules that form a unique crystalline structure having unique phase and properties, where its components are bond together via hydrogen bonds, have been the subject of great deal of attention, in particular those where aminoacids participate in their structure. In this work we have studied a(More)
The study of magnetic phenomena in nanometer scale is essential for development of new technologies and materials. It also leads to a better understanding of magnetic properties of matter. An approach to the study of magnetic phenomena is the use of a physical model and its computational simulation. For this purpose, in previous works we have developed a(More)
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