Calculate transition matrix elements for two-electron operators.
This is presently only useful for angular momentum operators.
With `EXPEC2` only diagonal matrix elements will
be computed. For instance

`TRAN2,LXX`- calculates matrix elements for
`TRAN2,LYY`- calculates matrix elements for
`TRAN2,LXZ`- calculates matrix elements for
`TRAN2,LXX,LYY,LZZ`- calculates matrix elements for , , and . The matrix elements for the sum are also printed.

molpro@molpro.net 2017-12-10