{"id":20,"date":"2013-11-04T21:06:27","date_gmt":"2013-11-04T19:06:27","guid":{"rendered":"https:\/\/wissen.science-and-fun.de\/chemistry\/?page_id=20"},"modified":"2013-11-04T21:06:27","modified_gmt":"2013-11-04T19:06:27","slug":"17o-chemical-shifts","status":"publish","type":"page","link":"https:\/\/wissen.science-and-fun.de\/chemistry\/spectroscopy\/17o-chemical-shifts\/","title":{"rendered":"17O chemical shifts"},"content":{"rendered":"

17<\/sup>O chemical shifts<\/h4>\n

H2<\/sub>O = 0 ppm<\/p>\n

All chemical shifts in ppm!!<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Type<\/th>\nchemical shift range<\/th>\n<\/tr>\n
-OH alcohols<\/i><\/td>\n-50 to +70<\/td>\n<\/tr>\n
-O- ethers<\/i><\/td>\n-20 to +90<\/td>\n<\/tr>\n
acetals<\/i><\/td>\n10 to 100<\/td>\n<\/tr>\n
-O-O- peroxy<\/i><\/td>\n170 to 280<\/td>\n<\/tr>\n
S=O sulfoxids<\/i><\/td>\n0 to 20<\/td>\n<\/tr>\n
(-O1<\/sup><\/span>)2<\/sub>SO2<\/span><\/sup>2<\/sub><\/p>\n

organic sulfats<\/td>\n

1<\/span>= 85 to 100<\/p>\n

2<\/span>= 125 to 160<\/td>\n<\/tr>\n

P(OR)3<\/sub><\/td>\n20 to 65<\/td>\n<\/tr>\n
CO3<\/sub>2-<\/sup><\/td>\n170 to 180<\/td>\n<\/tr>\n
O1<\/sup><\/span>=C(O2<\/sup><\/span>R)2<\/sub><\/td>\n1<\/span>= 235 to 250<\/p>\n

2<\/span>= 100 to 115<\/td>\n<\/tr>\n

-COOH<\/td>\n225 to 250<\/td>\n<\/tr>\n
O1<\/sup><\/span>-(C=O2<\/sup><\/span>)2<\/sub><\/td>\n1<\/span>= 240 to 255<\/p>\n

2<\/span>= 375 to 400<\/td>\n<\/tr>\n

-O1<\/sup><\/span>C(R)=O2<\/sup><\/span><\/td>\n1<\/span>= 100 to 220<\/p>\n

2<\/span>= 330 to 385<\/td>\n<\/tr>\n

R2<\/sub>N-C=O amids<\/i><\/td>\n265 to 320<\/td>\n<\/tr>\n
Hal-C(R)=O<\/td>\n390 (F)<\/i> to 550 (Br)<\/i><\/td>\n<\/tr>\n
R2<\/sub>C=O<\/td>\n545 to 580<\/td>\n<\/tr>\n
R-CH=O<\/td>\n545 to 625<\/td>\n<\/tr>\n
M-CO metal \u2013 carbonyls<\/i><\/td>\n340 to 400<\/td>\n<\/tr>\n
ClO3<\/sub>–<\/sup><\/td>\n260 to 300<\/td>\n<\/tr>\n
ClO4<\/sub>–<\/sup><\/td>\n260 to 300<\/td>\n<\/tr>\n
NO3<\/sub>2-<\/sup><\/td>\n405 to 425<\/td>\n<\/tr>\n
R- NO2<\/sub><\/td>\n410 to 440<\/td>\n<\/tr>\n
-O1<\/sup><\/span>-N=O2<\/sup><\/span><\/td>\n1<\/span>= 460 to 540<\/p>\n

2<\/span>= 800 to 850<\/td>\n<\/tr>\n

CrO4<\/sub>2-<\/sup>chromats<\/i><\/td>\n830 to 850<\/td>\n<\/tr>\n
Cr2<\/sub>O7<\/sub>2-<\/sup><\/td>\nOCr 1080 to 1120<\/p>\n

OCr2<\/sub> 325 to 350<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

17O chemical shifts H2O = 0 ppm All chemical shifts in ppm!! Type chemical shift range -OH alcohols -50 to +70 -O- ethers -20 to +90 acetals 10 to 100 -O-O- peroxy 170 to 280 S=O sulfoxids 0 to 20 (-O1)2SO22 organic sulfats 1= 85 to 100 2= 125 to 160 P(OR)3 20 to 65 … <\/p>\n

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