“…Among these hybrid systems, there are some notable arrays, including the formation of Guanine-selenic acid [2,3,4], and organic amines play an important role as structure directing agent in the hybrid organic-inorganic salts. In particular, the selenate and sulphate groups can form diversified structures with varieties of organic components and they are amenable for various functional applications [5,6,7]. Furthermore, selenic acid is an organic compound, with the chemical formula H2SeO4, that can be found in over-the-counter daily dietary supplements as a source of selenium, an essential trace mineral for human health.…”