The following H NMR spectrum and 13C NMR spectrum is the spectrum of trans-4-t-b
ID: 998495 • Letter: T
Question
The following H NMR spectrum and 13C NMR spectrum is the spectrum of trans-4-t-butylcyclohexanol. Fill in the table below. (When writing assignment in the table, please indicate as for example -CH3, -OH, etc, not HA, HB, etc).
1H NMR (400 MHz, CDCl3)
13C NMR (100 MHz, CDCl3)
Chemical shifts (ppm)
No. of hydrogens
Multiplicity
Assignment
Chemical shifts (ppm)
Assignment
1H NMR (400 MHz, CDCl3)
13C NMR (100 MHz, CDCl3)
Chemical shifts (ppm)
No. of hydrogens
Multiplicity
Assignment
Chemical shifts (ppm)
Assignment
Explanation / Answer
Chemical shift (ppm) No. of hydrogens multiplicity assignment Chemical shifts (ppm) assignment
0.83 9H singlet C(CH3)3 27.6 (CH3)3
0.91-1.01 3H (2+1) multiplet CH2 and CH 25.9 and 47.1 CH2 and CH
1.15-1.24 2H multiplet CH2 25.9 CH2
1.74-1.78 2H multiplet CH2 36.0 CH2
1.81 1H singlet OH 71.1 CH-OH
1.96-2.01 2H multiplet CH2 36.0 CH2