“…As expected, the parameters of Table 2 are, for the most part, quite similar to the values listed in Refs. [1,2,5] and the previous interpretation of the parameters is not altered. One exception is the spin-spin parameter, k, for the X 7 R + state, which in this work was determined as À0.004053(34) cm À1 , and which differs markedly from the value of À0.00325(10) cm À1 in Ref.…”