Chemical name : 1,1,1,3,3,3-Hexafluoropropane, HFC-236fa, CAS 690-39-1
Physical properties : RMM 152, BP 272 K
Supplier & stated purity : SynQuest Labs, Inc., 97 % purity
Diluent : Air (zero grade), BOC, 270028-L, typical impurity levels H2O 5 ppm, CO2 3 ppm, total hydrocarbons 5 ppm
Temperature of sample :  248.3 +/- 0.6 K
Total pressure : 380.7 +/- 0.25 Torr
Sample partial pressure : 20.1 +/- 0.05 Torr
Sample cell windows : HDPE, 1 mm thick, 4 mrad wedge
Absorption path length : 260.0 +/- 0.7 mm
Instrument : Bruker IFS125 operated under vacuum (0.03 hPa)
Spectral range : 10 – 2000 cm-1
Nominal resolution : 0.25 cm-1
Maximum optical path difference : 3.6 cm
Apodisation function : Norton-Beer (medium)
ILS FWHM : 0.23 cm-1
Zero-filling factor : 8
Spectral sampling interval : 0.015 cm-1
Phase correction : Mertz 1 cm-1
Beamsplitter : 6 um Mylar
Source : Mid-infrared carbide glowbar
Scanner velocity : 5 kHz (HeNe crossing frequency)
No. of averages : 100
Detector : DTGS with CsI window
Nyquist frequency : 15798 cm-1