鸭绿江学术资源论坛 » 【药物分析】 » N、P等化合物的核磁位移哪能查到？

aspect 发表于 2007-4-2 13:52

N、P等化合物的核磁位移哪能查到？

  N、P等化合物的核磁位移哪能查到？

celan 发表于 2007-4-3 18:13

Typical chemical shift assignments for 15N CP/MAS Solid-state NMR of organic materials
higher
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Chemical
Shift  Structure  Chemical
Assignment

NO3- = 0 ppm  NH4+= 0 ppm  

30 to 0 ppm  410 to 380 ppm  

celan 发表于 2007-4-3 18:18

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
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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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