(c) 2000-2003 by Akira Miyoshi. All rights reserved.
Reaction Dynamics 2002 - section-3.1 appendix
Coefficients for rotational sum (eq. 3.1.5) for specific cases :
product pair
linear + atom
2
non-linear + atom
3
linear + linear
4 (2+2)
linear + non-linear
5 (2+3)
non-linear + non-linear
6 (3+3)