gas thermometer was PL-acuated, filled with lieliuiii gas and recalibrated. Siiiootlied values of Cp are given in Table I. plot of C p / Tzlcrsus T 2is presented (Fig. 1). Such a plot is, of course, linear over the region in which thr T3 I:LW is obeycd. TABLE I FIEAT C A P A C I l Y O F O R D E R E D
hfg,Cd
A1
R O T J ~ DTEEIMI P E R A -
IT*RT>
r
I,
4 6
G 7
Lt? J O I I l e i / D h fi atom
CD joules/ "K g atom
i OK
0 008
0 0820
9
0145 .0237 0370 0560
02 1 230 421 633
10 12 I4 1ii
axial ratio in zinc aiid cadmium. It is of interest to note that Xg3Cd also exhibits the niiniriiuin, despitc the fact that i t has n noriiial axial r a t i ~ . ~ , ~ The :tuthors wish to acknowledge tlie assiskuicc. of nlr. Kay F. Sterrett aiid X r , Cuido Gxlli i l l niaking the iiieasureniciits contained it1 this C O I ~ I inunication. (7) D. A . Edw:trds, IV. i C \Vnll.icr. ;m
