thumb|right|300px|Structures of some unstable silabenzenes
thumb|right|300px|Structures of some unstable silabenzenes
A silabenzene is a heteroaromatic compound containing one or more silicon atoms instead of carbon atoms in benzene. A single substitution gives silabenzene proper; additional substitutions give a disilabenzene (3 theoretical isomers), trisilabenzene (3 isomers), etc.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).