\\ Species Tag: & 50006 & Species Name:& O3-a-O18-v2 \\ Version: & 1 & & $^{18}$O$_3$ $\nu_2$ = 1, \\ Date: & Mar. 1984 & & end atom substitution \\ Contributor:& C. Chiu & & \\ & E. A. Cohen & & \\ & & & \\ Lines Listed: & 4213 & Q(300.0)=& 7214.397 \\ Freq. (GHz) $<$ & 3944 & Q(225.0)=& 4994.591 \\ Max. J: & 50 & Q(150.0)=& 2549.765 \\ LOGSTR0= & -9.0 & Q(75.00)=& 904.065 \\ LOGSTR1= & -9.0 & Q(37.50)=& 320.258 \\ Isotope Corr.: & & Q(18.75)=& 113.763 \\ Egy. (cm$^{-1}$) $>$& 693.0 & Q(9.375)=& 40.607 \\ $\mu_a$ = & 0.0068 & A=& 106071.8 \\ $\mu_b$ = & 0.5324 & B=& 12556.0 \\ $\mu_c$ = & & C=& 11150.6 \headend New spectra were measured at JPL and were fit to a Watson $S$ set Hamiltonian. The dipole moments were assumed to be the same as for the ground state. The vibrational energy is an assumed value.