NMR Temperature measurements
 
To use this calculation fill out the proton frequency and the frequency difference between two selected peaks depending from the thermometer (details see below) and calculate the temperature according to the thermometer used.
Proton frequency =     MHz Frequency difference =   Hz Temperature:     K

Thermometer substance: neat methanol
Temperature range: between 178 and 330K
Peaks used: -CH3 and -OH
Equation: T [K] = 409.0 - 36.54 Dd - 21.85 (Dd)2
Literature: C. Amman, P. Meier and A. E. Merbach, J. Magn. Reson. 1982, 46, 319-321.

Thermometer substance: neat ethylene glycol
Temperature range: between 273 and 416K
Peaks used: -CH2- and -OH
Equation: T [K] = 466.5 - 102.00 Dd
Literature: C. Amman, P. Meier and A. E. Merbach, J. Magn. Reson. 1982, 46, 319-321.

Thermometer substance: neat ethylene glycol
Temperature range: between 308 and 438K
Peaks used: -CH2- and -OH
Equation: T [K] = 465.9 - 102.24 Dd
Literature: M. L. Kaplan, F. A. Bovey, and H. N. Cheng, Anal. Chem. 1975, 47, 1703

Thermometer substance: 50/50 vol% mixture of CCl4 and (CD3)2CO
Temperature range: between 190 and 360K
Peaks used: CD3-CO-CD3 and CCl4
Equation: T [K] = 5802.3 - 50.73 Dd
Hints: Use high digital resolution; really fill out proton frequency
Literature: J. J. Led, S. B. Petersen, J. Magn. Reson. 1978, 32, 1 - 17.

Tris(trimethylsilyl)methane as an internal 13C chemical shift thermometer including a nice literature overview:
W. H. Sikorski, A. W. Sanders, H. J. reich, Magn. Reson. Chem.. 1998, 36, S118- S124.