( ( The ( binding reaction ) ) ( ( is ( characterized ( by ( negative ( intrinsic ( binding ( enthalpy ( and ( negative ( heat ( capacity changes ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ binding) (NN reaction)) (VP (VBZ is) (VP (VBN characterized) (PP (IN by) (NP (JJ negative) (JJ intrinsic) (JJ binding) (NN enthalpy) (CC and) (JJ negative) (NN heat) (NN capacity) (NNS changes))))) (. .)))
The binding reaction is characterized by negative intrinsic binding enthalpy and negative heat capacity changes.
(ROOT (S (NP (DT A) (JJ negative) (NN enthalpy) (NN change)) (VP (VBZ is) (VP (VBN observed) (PP (IN in) (NP (DT an) (JJ exothermic) (NN reaction))))) (. .)))