1. NMR Broad Band Spectrometer
Slide show by
Mike Condren
Spectra Collected by
Craig Bradley
of Anasazi Instruments

2. All Spectra Shown is for One Sample
The spectra of (n-Bu)3Sn-Si(CH3)3
was collected on our Anasazi EFT-60
FT-NMR Spectrometer:
H-1 spectra
DEPT C-13 Spectra
C-13 Spectra
Si-29 Spectra
Sn-117/Sn-119 Spectra

3. } H-1 Spectra (CH3-CH2-CH2-CH2)3Sn-Si(CH3)3 d g b a e e d a, b, g
Coupled to 117Sn & 119Sn d
Coupled to 29Si }
a, b, g

4. DEPT C-13 NMR Spectra Type C CH CH2 CH3 135o 0 + - + 90o 0 + 0 0
Distortionless Enhancement by Polarization Transfer (DEPT Spectroscopy)
Type C CH CH2 CH3
135o
90o
45o
Normal

5. DEPT C-13 Spectra
(CH3-CH2-CH2-CH2)3Sn-Si(CH3)3
d g b a e g b d a e

6. C-13 Spectra (CH3-CH2-CH2-CH2)3Sn-Si(CH3)3 d g b a e g b d a e
Coupled to both Sn nuclides
Coupling to 119Sn
Coupling to 117Sn g b d a e

7. Changing to another Nucleus
Takes less than 5 minutes
Begin by typing the nucleus to be analyzed into the computer
Follow instructions on the upper right corner of monitor

8. Modifications to the Magnet Consol

9. Equipment for Changing Frequency

10. Probe Area

11. Sn-117/Sn-119 Spectra { (CH3-CH2-CH2-CH2)3Sn-Si(CH3)3 d g b a e
Spinning side bands
Coupled to 29Si
Coupled to g C
Coupled to a C {
b C and
e C on Si

12. Si-29 Spectra (CH3-CH2-CH2-CH2)3Sn-Si(CH3)3 d g b a e
Coupling to 119Sn
Coupling to 117Sn