Titringsbylgjufll Lkindafll Vibrational wavefunctions and probability functions Orkutilfrslur

Titringsbylgjuföll; Líkindaföll/ Vibrational wavefunctions and probability functions:

Orkutilfærslur / energy transfers: Leyfilegar titringstilfærslur / allowed transitions: Titr. tilf. Yfirtónar / overtones:

+ + - E n. AB = nhn n. AB

Útl. rófa(1) Útlit rófa vs Upplausn / Spectra structures vs, resolution:

Titr. þrep Skammtaþrep efnatengja / quantum levels: Titringsþrep / vibrational levels: Snúnings-og titringsþrep/ rotational and vibrational levels:

Útl. rófa(2) Tilurð IR rófa / Energy transitions: Útlit IR rófa / IR spectral structure

HCl: H 35 Cl/H 37 Cl; IR róf/spectra (H. Í. ): HCl(1)

HCl(2)

H 2 O : Samhverf teygja/ symmetric stretch; n 1= 3652 cm-1 Ósamhverf teygja/unsymmetric stretch; n 3 = 3756 cm-1 Samhverf beygja/symmetric bending; n 2 = 1595 cm-1

H 2 O

H 20

H 2 O tilf. H 2 O tilfærslur:

CO 2 Sjá NIST: http: //webbook. nist. gov/cgi/cbook. cgi? ID=B 4000020&Units=SI&Mask=800

CO 2 titringsorkuþrep / vibrational levels:

Samhverf CH-teygja/ symmetric CHstretch; n 1 =3374 cm-1 Samhverf CC-teygja/ symmetric CC- stretch n 2 =1974 cm-1 Ósamhverf CH-teygja/unsymmetric CH-stretch n 3 =3289 cm-1 2 x 2 x Samhverf beygja/symmetric bending; n 4 =612 cm-1 Samhverf beygja/ symmetric bending; n 5 =730 cm-1 3 N-5 = 3 x 4 – 5 = 7

Línul. IR róf línulegra sameindir / IR spectra for linear molecules: H-C=N: H-C=C-H:

Topsamhv. IR róf topsamhverfra sameinda / IR spectra for symmetric top molecules: CH 3 I: