Erratum: Force constants of the metaborate ion in alkali halides

observed depolarizations are greater for il.v' ~O than for il.v' = 0, it is also true that there is greater rotational energy transfer accompanying vibrationally inelastic collisions. Using the known6 il.J' distributions for il.v'=±1 collisions, and the (il.J'~0) depolarization cross section already found, we can calculate an effective O'po,2= (9-10) X 10-16 cm2 for il.'II' = ± 1. Thus, it appears that the observed depolarization may arise solely from the change in rotational state, and not reflect any significantly greater degree of reorientation of the molecular angular momentum accompanying the presumably "stronger" vibrationally inelastic collisions. We would like to thank Ms. Andrea Sanders for her assistance with the data analysis, and Professor George Leroi of Michigan State University for the use of his experimental facilities and for comments on the initial