Spectroscopy of phenyltetrazine, (phenyltetrazine)2, and phenyltetrazinendash;Ar as studied in a supersonic free jet

摘要

The 0ndash;0 band of the1B1larr;1A1(pgr;ast;larr;n) electronic transition of phenylhyphen;shyphen;tetrazine (C6H5ndash;C2N4H) was observed in a supersonic free jet at 17thinsp;617.8 cmminus;1. The high resolution rotational spectrum of the origin allowed the determination of the structure of phenyltetrazine in the gas. It is planar in both ground and excited electronic states. Weakly bound phenyltetrazine dimers were observed. Structures of two distinct dimers are proposed. Several van der Waals complexes of argon with phenyltetrazine were observed. The phenyltetrazinendash;Ar (tetrazine) rotational spectrum was analyzed. The distance of the argon from the center of the tetrazine ring is 3.34 Aring;.