Potential energy calculations about the chain folding of α(−)poly(L-alanine)

Neutron-scattering spectroscopy of the α

Neutron-scattering spectroscopy of the α- and β- forms of poly-L-alanine. Motion of the methyl side chain

✍ Winfried Drexel; Warner L. Peticolas 📂 Article 📅 1975 🏛 Wiley (John Wiley & Sons) 🌐 English ⚖ 356 KB 👁 1 views

## Abstract Detailed inelastic, incoherent neutron‐scattering (INS) spectra are presented for poly‐L‐alanine in both the α‐helical and β‐sheet form. Assignments are made from previous normal coordinate calculations. Of particular interest is the methyl torsion at 230 cm^−1^, which is the strongest