-C 9/23/99 Added improper rotation matrices and matrices of dipole-dipole
-C interactions
-c 7/25/08 Commented out; not needed when cumulants used
-C Interactions of pseudo-dipoles generated by loc-el interactions.
-c double precision dip,dipderg,dipderx
-c common /dipint/ dip(4,maxconts,maxres),dipderg(4,maxconts,maxres),
-c & dipderx(3,5,4,maxconts,maxres)