A two-step Python workflow for calculating molecular vibrational frequencies numerically. This is useful when analytic Hessians are unavailable or too costly in your Quantum Chemistry software (e.g., ...

"[(u'development,', 1), (u'all', 1), (u'help', 1), (u'chain', 3), (u'roi', 1), (u'being', 1), (u'global', 1), (u'find', 2), (u'quarters', 1), (u'risks', 1)]\n" ...