ieht/2 ( adams s. ( 1974 ) doctoral dissertation , state university of new york at buffalo , u.s.a. ) and non-empirical abinitio method with minimal basis set , sto-3g ( hehre , w.j. , stewart , r.f . and pople , j.a . ( 1969 ) j. chem . phys . 51 , 2657-2664 ) were used to probe the energetics of the distortion of a planar peptide unit .
C0027976
new york
C0041703
u.s.a