Question

Determine the molecular formula and structure on an unknown amine m/z = 138

PerkinElmer Spectrum IR Version 10.6.0 Friday, 12 April 2019 2:44 PM Analyst Analyst Date Friday, 12 April 2019 2:44 PM 98- 98 96- 929.97c-1 94- 995.35c19em-1 791. 539.99cm-1 868 4660E68 56em-1 1090.25cm- 92 90 734.90cm-1 3077.05cm-1 88- 1621.68cm-1 1483.41cm-1 86- 1264.35cm-1 3331.43cm-1 1517.35cm-1 84 1344 92cm-1 1323.95cm-1 3431.31cm-1 82 4000 1500 2500 2000 500400 3500 3000 1000 cm-1 13C CDCI Amine 180 200 190 170 160 150 140 130 120 110 10 90 80 70 60 50 40 30 20 10 f1 (ppm) 147.58 120.74 Amine Expansion H CDCI. 8888888 715 7.60 7.55 7.30 7,20 7 10 705 7.50 7 45 7.40 7.35 7.25 (ppm) 7.00 6. 65 6.95 6.90

Answer 1

Accordlng to ha povided tntrmahon he Structure ah he Grpumd H Cz NH2 te Cu Hd NO2 M/2 =138 Nb2 13 CNMR C 149 8PPm C2 Ca 130 SPPM C5 120 SPPM 1 13 SP Pm 0g dppmCy Cb dd. He-H doublet bH tilet 6.908Ppm -AO F'238 PPm MA IH doublet n'pletmuhS 753 SPPM 7.47 SPP- d 3093 CaCHArDrah'e TR-2333 on 7 N-H benddng NHst 1264 Om- c-N02 Shro 2431 Cm 1512 Cm1 143 om1 C-N M StreM L517 Cn )-Anmahic CCs 134MCTN-oStrechy 4.21 Cn