Home » Spectroscopy » 31P chemical shifts

Return to Spectroscopy

31P chemical shifts

31P chemical shifts

H3PO4 = 0 ppm
All chemical shifts given in ppm!

Type chemical shift range
CPH2 -150 to -120
C2PH -100 to 80
C3P -60 to -10
C2PHal 80 to 150
P(NR)3 115 to 130
P(OR)3 125 to 145
P(SR)3 110 to 120
PHal3 120 to 225
P(OR)2Hal 140 to 190
CPHal2 160 to 200
CPHalN 165 to 185
O=PHal3 -80 to 5
O=P(OR)Hal2 -30 to 15
O=P(OR)2Hal -20 to 25
O=P(OR)3 -20 to 0
S=P(OR)3 60 to 75
CP(=O)(OR)2 -5 to 70
CP(=S)(OR)2 80 to 110
CP(=O)(OH)2 -5 to 25
(RO)2POH 0 to 20
C2P(=O)OR 0 to 60
CP(=O)Hal2 5 top 70
CP(=O)HalN 25 to 50
C3P=OC3P=S 20 to 60
C2P(=O)Hal 40 to 90
P(OR)5 -75 to -5
C4P+Hal– -5 to 30
Ar3P=CR2 5 to 25
Phosphorus (III) compounds
δ / ppmδ /ppm
PMe3-62PMeF2245
PEt3-20PMeH2-163.5
P(n-Pr)3-33PMeCl2192
P(i-Pr)3-19.4PMeBr2184
P(n-Bu)3-32.5PMe2F186
P(i-Bu)3-45.3PMe2H-99
P(s-Bu)37.9PMe2Cl96.5
P(t-Bu)363PMe2Br90.5
Phosphorous (V) compounds
Me3PO36.2Me3PS59.1
Et3PO48.3Et3PS54.5
[Me4P]+24.4[Et 4P]+40.1
[PO4]3-6.0[PS]3-87
PF5-80.3[PF6]--145
PCl5-80[PCl4]+86
MePF4-29.9[PCl6]--295
Me3PF2-158Me2PF38.0
Chemical shifts relativ to 85% H3PO4

How useful was this post?

Click on a star to rate it!

Average rating 4.5 / 5. Vote count: 10

No votes so far! Be the first to rate this post.

Post Views: 4,197

3 comments

    • Santhi Prabhu on 27. April 2017 at 4:00 PM
    • #
    • Reply

    thanks

    • Santhi Prabhu on 27. April 2017 at 3:59 PM
    • #
    • Reply

    i got a lot of useful information for my project work. thanking you…

    • Santhi Prabhu on 27. April 2017 at 3:57 PM
    • #
    • Reply

    i got lot of useful information for my research work. thanking you…..

Leave a Reply