31P chemical shifts
H3PO4 = 0ppm
All values are given in ppm !!!
| Type |
shift ranges |
| CPH2 |
-150 to -120 ppm |
| C2PH |
-100 to 80ppm |
| C3P |
-60 to -10 ppm |
| C2PHal |
80 to 150 ppm |
| P(NR)3 |
115 to 130 ppm |
| P(OR)3 |
125 to 145 ppm |
| P(SR)3 |
110 to 120 ppm |
| PHal3 |
120 to 225 ppm |
| P(OR)2Hal |
140 to 190 ppm |
| CPHal2 |
160 to 200ppm |
| CPHalN |
165 to 185 ppm |
| O=PHal3 |
-80 to 5 ppm |
| O=P(OR)Hal2 |
-30 to 15 ppm |
| O=P(OR)2Hal |
-20 to 25 ppm |
| O=P(OR)3 |
-20 to 0 ppm |
| S=P(OR)3 |
60 to 75 ppm |
| CP(=O)(OR)2 |
-5 to 70 ppm |
| CP(=S)(OR)2 |
80 to 110 ppm |
| CP(=O)(OH)2 |
-5 to 25 ppm |
| (RO)2POH |
0 to 20 ppm |
| C2P(=O)OR |
0 to 60 ppm |
| CP(=O)Hal2 |
5 top 70 ppm |
| CP(=O)HalN |
25 to 50 ppm |
| C3P=OC3P=S |
20 to 60 ppm |
| C2P(=O)Hal |
40 to 90 ppm |
| P(OR)5 |
-75 to -5 ppm |
| C4P+Hal- |
-5 to 30 ppm |
| Ar3P=CR2 |
5 to 25 ppm |