How can i adjust the value of long range parameter µ by using IOP (3/107) and IOP (3/108)?

How can i adjust the value of long range parameter µ  for long range calculations like WB97XD in Gaussian09 A02???? I try  to use  IOP (3/107) and IOP (3/108) but I get an error using...

02 February 2017 307 4 View