31P Chemical Shifts
If you have measured a 31P chemical shift and/or coupling constant that does not
appear in the tables below, and you would like your measurement to be included here,
contact the NMR Facility Staff.
Phosphorous (III) Chemical Shift Table (from Bruker Almanac 1991)
| Compound | Chemical Shift (ppm)
Relative to 85% H3PO4 |
|---|
| PMe3 | -62 |
| PEt3 | -20 |
| PPr(n)3 | -33 |
| PPr(i)3 | +19.4 |
| PBu(n)3 | -32.5 |
| PBu(i)3 | -45.3 |
| PBu(s)3 | +7.9 |
| PBu(t)3 | +63 |
| PMeF2 | 245 |
| PMeH2 | -163.5 |
| PMeCl2 | +192 |
| PMeBr2 | +184 |
| PMe2F | +186 |
| PMe2H | -99 |
| PMe2Cl | -96.5 |
| PMe2Br | -90.5 |
Phosphorous (V) Chemical Shift Table (from Bruker Almanac 1991)
| Compound | Chemical Shift (ppm)
Relative to 85% H3PO4 |
|---|
| Me3PO | +36.2 |
| Et3PO | +48.3 |
| [Me4P]+1 | +24.4 |
| [PO4]-3 | +6.0 |
| PF5 | -80.3 |
| PCl5 | -80 |
| MePF4 | -29.9 |
| Me3PF2 | -158 |
| Me3PS | +59.1 |
| Et3PS | +54.5 |
| [Et4p]+1 | +40.1 |
| [PS4]-3 | +87 |
| [PF6]-1 | -145 |
| [PCl4]+1 | +86 |
| [PCl6]-1 | -295 |
| Me2PF3 | +8.0 |
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Last updated: April 2nd, 1998
URL: http://nmr.chem.indiana.edu/NMRguide/misc/31Pshifts.html
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The Trustees of Indiana University