Use the spectra to determine the structure of the unknown. Assign the MS, IR, 13C NMR, and 1H NMR spectra as fully as po
Posted: Fri May 06, 2022 7:34 am
Use the spectra to determine the structure of the unknown. Assign the MS, IR, 13C NMR, and 1H NMR spectra as fully as possible.
MASS % of Base Peak IR 50 % Transmittance 100 50 50 657 u -3325 3000 100 140 4000 'H NMR 600 MHz 8.0 7.8 7.6 7.4 7.2 7.0 6.8 ppm 3.0 13C/DEPT NMR 150.9 MHz 200 180 160 m/z 2000 Wavenumber (cm-1) 2.5 120 1217 1367 100 80 18591~ 1491 150 -1597 1281 -1211 2.0 60 m 1000 1.5 1787 40 پسرا ppm ppm
ppm 1 2 3 F1 4 5 7- ppm F1 20- 40- 60- 80 100- 120 00 7 6 6 5 F2 5 F2 4 4 3 2 3 2 1 1 ppm 5 -6 20 40 60 80 -100 120 ppm COSY 600 MHz HMQC 600 MHz
ppm 15 20 25- 30- 35 F1 ppm 120- 130 140 150- 160 170- 180 190- 200 210 8.0 8.0 7.5 7.5 7.0 7.0 ppm 3.0 2.5 2.0 ………… ppm 3.0 F2 1.5 2.5 2.0 1.5 HMBC 600 MHz 1.0 ppm ppm 15 20 25 30 -35 ppm 120 -130 140 150 160 170 180 190 200 -210 1.0 ppm
Proposed Structure: Formula: Mass Spec Assignments: 1³C NMR Assignments: Assignment 8 (ppm) a 200 b 161 C 131 d 130 116 f 38 9 27 h 23 14 Exact Mass: IR Assignments:
H NMR Assignments: Assignment A B C D E F G 5 (ppm) 7.93 6.95 6.69 2.95 1.74 1.43 0.97 #H 2 2 1 2 2 2 3 Multiplicity COSY HMQC HMBC
MASS % of Base Peak IR 50 % Transmittance 100 50 50 657 u -3325 3000 100 140 4000 'H NMR 600 MHz 8.0 7.8 7.6 7.4 7.2 7.0 6.8 ppm 3.0 13C/DEPT NMR 150.9 MHz 200 180 160 m/z 2000 Wavenumber (cm-1) 2.5 120 1217 1367 100 80 18591~ 1491 150 -1597 1281 -1211 2.0 60 m 1000 1.5 1787 40 پسرا ppm ppm
ppm 1 2 3 F1 4 5 7- ppm F1 20- 40- 60- 80 100- 120 00 7 6 6 5 F2 5 F2 4 4 3 2 3 2 1 1 ppm 5 -6 20 40 60 80 -100 120 ppm COSY 600 MHz HMQC 600 MHz
ppm 15 20 25- 30- 35 F1 ppm 120- 130 140 150- 160 170- 180 190- 200 210 8.0 8.0 7.5 7.5 7.0 7.0 ppm 3.0 2.5 2.0 ………… ppm 3.0 F2 1.5 2.5 2.0 1.5 HMBC 600 MHz 1.0 ppm ppm 15 20 25 30 -35 ppm 120 -130 140 150 160 170 180 190 200 -210 1.0 ppm
Proposed Structure: Formula: Mass Spec Assignments: 1³C NMR Assignments: Assignment 8 (ppm) a 200 b 161 C 131 d 130 116 f 38 9 27 h 23 14 Exact Mass: IR Assignments:
H NMR Assignments: Assignment A B C D E F G 5 (ppm) 7.93 6.95 6.69 2.95 1.74 1.43 0.97 #H 2 2 1 2 2 2 3 Multiplicity COSY HMQC HMBC