The title complex with anthracene oil, cis-butenedioic anhydride, has been synthesized and characterized in the mixture methylbenzene. It falls into the monoclinic, characteristic of the space group P2 ( 1 )/c with α= 1.1255 (3) nm, b = 0.9482 (2) nm, c=1.2894(3) nm, β=103.563(4)°, V=1.3376(5) nm^3, Dc=1.372 g/cm^3, Z=2, F(000) =576, R1 =0.0436, ωR2 =0.0886. The crystal structure of quantum chemical calculation was performed by means of G03W program. The stabilities of the complex and some of its frontie...