In reply to DJ Cravens's message of Fri, 26 Jul 2013 13:41:48 -0600: Hi, [snip] >My mental model more easily sees the optical phonons pushing D's together then >it sees acoustical phonons doing that.
For D this may be appropriate, but it goes nowhere toward explaining H + Ni, where the reaction should be hundreds of orders weaker, due to the hugely higher Coulomb barrier, but if anything, is stronger. Regards, Robin van Spaandonk http://rvanspaa.freehostia.com/project.html