Απόστολος Σπύρος

Γ-207, ισόγειο κτιρίου Χηµείαςaspyros@chemistry.uoc.grThl. 2810 545085

http://www.chemistry.uoc.gr/aspyros

Φασµατοσκοπία NMR

CH4

1H NMR spectroscopy

CH3Cl

Homonuclear coupling

Nuclear spin coupling, the N+1 rule

Assign. Shift(ppm)

A 3.687

B 2.61

C 1.226

Homonuclear coupling

Assign. Shift(ppm)

A 1.22

B 2.63

C 7.0 to 7.45

Toluene

CH3ClCH3F

Heteronuclear coupling

1.1.1Proton NMR Spectrum of the Model Compound 1

Heterodecoupling31P

Homodecoupling1H

1.1.2 Field Dependence of the Spectrum of 1

1.1.3FID Manipulation: FT, EM, SINE BELL (CH 2 Signal of 1)

LB = -0.3

Sine bell function

LB = 0.8

LB = 1.9

Raw FID

LB = -0.3

Sine bell function

LB = 0.8

LB = 1.9

Raw FID

CDCl3

D2O

D2O/H2O

Water presaturation

Digital filter

1.1.4The Proton Spectrum of 1 in D 2O or H 2O/D2O Mixtures

1.1.5Integration: Relaxation, T 1, 90°-Pulse, Ernst Angle

1.1.6The NOE: Through-Space Interactions between Protons

NOE Difference Spectroscopy

1D NOESY

1D NOESY

1D TOCSY

Normal 1H NMR

1D TOCSY