Problem 3: C5H,NO 3.7 3.6 3.5 2 H 2H 300 MHz 'H NMR In CDC13 2 H impurity All coupling constants are ~7 Hz 3 H 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 -0.0

Organic Chemistry 2 - 14.23

Problem # 2: Unknown molecule with molecular formula CoH₁₂O. 12 Which of these molecules best corresponds to the IR spectrum below? a) 0.8 0.6 0.4 0.2 OH b) 3000 C6H₁2O 12 2000 d) Wavenumber (cm-1) e) HO. 1000

Determination of Structure Using Molecular Spectroscopy III Problem 2: C10H12O2 IR 1721 2000 MENIER 4 peaks Carbon NMR 200 180 160 140 120 100 80 60 40 20 2H 3H triplet Proton NMR triplet 3H 2H 2H sextet 11 10 8. 5 1 ppm

CH16 PEP22 Please help Organic Chemistry problem

observation/inference add final molecule

urgent pls help how do you read this nmr and ir

Problem 2: Provide 3 potential formula's and draw 1 possible structure based on the following information a) m/z = 82 0.8 0.6 0.4 0.2 TTTTTTT 3000 2000 1000 Wavenumber (cm-1) b) m/z =141 IR= 2200 strong, sharp, 1700 strong and sharp

Based on the COSY spectra below what proton is just to the proton labeled "L" wie K, I C D A E E L 0.0 Mica Cote E D C BA 10 000 DOLANGE 0 (0 0 8.4 8.2 8.0 7.8 7.6 7.4 7.2 7.0 6.8 6.6 6.4 6.2 6.0 5.8 5.6 5.4 5.2 5.0 4.8 4.6 4.4 ppm 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5

I wanna know how to make V = abc(1 − cos2α − cos2β − cos2γ + 2 cos α cos β cos γ)1/2 (the volume of triclinic). When a≠b≠c, α≠β≠γ ≠90°