31P chemical shifts - Steffen's Chemistry Pages

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 / ppm		δ /ppm
PMe₃	-62	PMeF₂	245
PEt₃	-20	PMeH₂	-163.5
P(n-Pr)₃	-33	PMeCl₂	192
P(i-Pr)₃	-19.4	PMeBr₂	184
P(n-Bu)₃	-32.5	PMe₂F	186
P(i-Bu)₃	-45.3	PMe₂H	-99
P(s-Bu)₃	7.9	PMe₂Cl	96.5
P(t-Bu)₃	63	PMe₂Br	90.5
Phosphorous (V) compounds
Me₃PO	36.2	Me₃PS	59.1
Et₃PO	48.3	Et₃PS	54.5
[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	-158	Me₂PF₃	8.0

Chemical shifts relativ to 85% H₃PO₄

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3 Comments

Santhi Prabhu says:

i got lot of useful information for my research work. thanking you…..
27. April 2017, 3:57 PM
Santhi Prabhu says:

i got a lot of useful information for my project work. thanking you…
27. April 2017, 3:59 PM
Santhi Prabhu says:

thanks
27. April 2017, 4:00 PM

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