{"id":15,"date":"2013-11-04T20:51:41","date_gmt":"2013-11-04T18:51:41","guid":{"rendered":"https:\/\/wissen.science-and-fun.de\/chemistry\/?page_id=15"},"modified":"2013-11-04T21:00:39","modified_gmt":"2013-11-04T19:00:39","slug":"11b-chemical-shifts","status":"publish","type":"page","link":"https:\/\/wissen.science-and-fun.de\/chemistry\/spectroscopy\/11b-chemical-shifts\/","title":{"rendered":"11B chemical shifts"},"content":{"rendered":"

11<\/sup>B chemical shifts<\/h4>\n

BF3<\/sub>* OEt2<\/sub> = 0 ppm
\nAll 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
Type<\/th>\nchemical shift range<\/th>\n<\/tr>\n
BHal4<\/sub>–<\/sup><\/td>\n-120 to 12<\/td>\n<\/tr>\n
B(NO3<\/sub>)4<\/sub>–<\/sup><\/td>\n-90 to -78<\/td>\n<\/tr>\n
Hal3<\/sub>B<\u2013PR3<\/sub><\/td>\n-77 to 0<\/td>\n<\/tr>\n
BH4<\/sub>–<\/sup><\/td>\n-40 to -30<\/td>\n<\/tr>\n
H3<\/sub>B<\u2013PR3<\/sub><\/td>\n-43 to 0<\/td>\n<\/tr>\n
H3<\/sub>B<\u2013NR3<\/sub><\/td>\n-25 to -5<\/td>\n<\/tr>\n
C3<\/sub>B<\u2013NR3<\/sub><\/td>\n-10 to 5<\/td>\n<\/tr>\n
Hal3<\/sub><\u2013NR3<\/sub><\/td>\n-30 to 10<\/td>\n<\/tr>\n
Hal3<\/sub>B<\u2013OR2<\/sub><\/td>\n-10 to 25<\/td>\n<\/tr>\n
(Car-)Borane<\/td>\n-38 to 38<\/td>\n<\/tr>\n
BHal3<\/sub><\/td>\n-80 to 50<\/td>\n<\/tr>\n
CBHal2<\/sub><\/td>\n25 to 72<\/td>\n<\/tr>\n
C2<\/sub>BHal<\/td>\n40 to 82<\/td>\n<\/tr>\n
B(NR)3<\/sub><\/td>\n8 to 36<\/td>\n<\/tr>\n
BHal(OR)2<\/sub><\/td>\n15 to 30<\/td>\n<\/tr>\n
B(OR)3<\/sub><\/td>\n8 to 25<\/td>\n<\/tr>\n
CBHalN<\/td>\n30 to 45<\/td>\n<\/tr>\n
CBHalO-<\/td>\n32 to 50<\/td>\n<\/tr>\n
CB(OR)2<\/sub><\/td>\n22 to 42<\/td>\n<\/tr>\n
C2<\/sub>B-N<\/td>\n40 to 60<\/td>\n<\/tr>\n
C2<\/sub>B-O-<\/td>\n48 to 60<\/td>\n<\/tr>\n
C3<\/sub>B<\/td>\n40 to 90<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

11B chemical shifts BF3* OEt2 = 0 ppm All chemical shifts in ppm! Type chemical shift range BHal4– -120 to 12 B(NO3)4– -90 to -78 Hal3B<\u2013PR3 -77 to 0 BH4– -40 to -30 H3B<\u2013PR3 -43 to 0 H3B<\u2013NR3 -25 to -5 C3B<\u2013NR3 -10 to 5 Hal3<\u2013NR3 -30 to 10 Hal3B<\u2013OR2 -10 to 25 (Car-)Borane -38 … <\/p>\n

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