This construction is two times far more stable compared to the setup seen as a atom of benzene interacting with the pi-cloud of acetylene. Your holding electricity of 2.Ninety one kcal/mol computed at the M06-2X/6-311+G(d,p) amount for that least expensive vitality #links# settings (1c) is excellent deal with the fresh joining electricity of 2.6 +/- 2.2 kcal/mol regarding benzene-acetylene intric