Nitrilen
Nitrilen is a fictional chemical compound that appears in the science fiction novel "The Mote in God's Eye" by Larry Niven and Jerry Pournelle. Within the narrative, nitrilen is described as a highly advanced and versatile material that forms the basis of much of the technology utilized by the Moties, an alien species. It is depicted as being incredibly strong yet lightweight, and capable of being molded into complex shapes with ease. The material's properties are central to the Moties' technological superiority, enabling them to construct sophisticated tools, weaponry, and even their starships. The exact chemical composition or precise scientific properties of nitrilen are not detailed in the novel, as it serves primarily as a plot device to explain the Moties' advanced capabilities rather than a scientifically rigorous invention. It is understood to be a synthetic substance, engineered for specific purposes. The concept of nitrilen highlights the importance of advanced materials in driving technological progress and shaping civilizations, even within a fictional context.