200 180 160 140 120 ppm Intensity 137.75 210 128.96 1000 128.67 950 128.29 490 33.43 340 100 ppm 80 60 40 20 O 100 % T
-
- Site Admin
- Posts: 899603
- Joined: Mon Aug 02, 2021 8:13 am
200 180 160 140 120 ppm Intensity 137.75 210 128.96 1000 128.67 950 128.29 490 33.43 340 100 ppm 80 60 40 20 O 100 % T
100 % T 80 60 40 3062.96 3030.17-- 2966.52- 3000 FTIR Measurement FTIR Measurement 2500 2000 1750 1494.83- 1454.33+ 1500 C:\Users\LabPC\Desktop\Research Skills 2021 ¥Monday 24-05-21242.ispd 1226.73 1201.65- 1250 Monday 24-05-21242 1068.56- 1028.06- 1000 812.03- -758.02- 694.37 750 603.72- 547.78 cm-1
Relative Intensity 100 80 40 20 դաստիապամապագանա 0 25 50 : 75 100 m/z 125 150 175
1.96 2,96 2.00 12 11 10 9 CO S 3 2 1 0 ppm 1.96 2.96 7.7 7.6 7.5 7.4 7.3 7.2 ppm \\/ // 7.479 7.475 7.458 7.417 7.400 7.381 7.368 7.351 7.479 7.475 -7.458 7.417 7.400 7.381 7.368 7.351 4.622
¹H NMR Analysis Using the ¹H NMR spectrum provided in the link below for unknown 17, complete the following signal assignment table: Unknown 17 H NMR spectrum (You may have to right click the spectrum and rotate clockwise) Note: The spectrum was recorded on the 400 MHz NMR Spectrometer in CDCI 3. Note Ar-H= Aromatic hydrogen Chemical shift (ppm) 4.62 7.35-7.42 7.46-7.48 Multiplicity (s, d, t, etc.) S brs d q quint hext hept m dd dt td ◆ ◆ Integration (no. of hydrogens) 1 -235 000 9 Coupling constants (Hz) N/A N/A N/A Assignment Ar-H CH CH2 CH3 OH ΝΗ NH2 C=C-H (alkene) =C-H (alkyne) ◆