NMR Broad Band Spectrometer

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 Coupled to 117Sn & 119Sn d Coupled to 29Si } a, b, g

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