Table 2.

Table of model input parameters and their relative uncertainties

Parameter	Relative Uncertainty (%)	Description	Source
$p$	0.2	Sample pressure	Manufacturer specification
$L$	0.6	Optical path length	Machine drawing
$S_{ij,\mathrm{calc}}^{{\nu }_2}$	<0.6	Calculated model from Eq. (2), fundamental band	Scatter relative to HITRAN202030
$S_{ij,\mathrm{calc}}^{2{\nu }_2}$	<1.1	Calculated model from Eq. (2), ${2\nu }_2$ hot band	Scatter relative to HITRAN202030
$S_{ij,\mathrm{calc}}^{{\nu }_2+{\nu }_4}$	<5.6	Calculated model from Eq. (2), ${\nu }_2$ + ${\nu }_2$ hot band	Scatter relative to HITRAN202030
$S_{ij,\mathrm{HITRAN}}$	10.0	Select transition intensities, fundamental band	Ref. 30; Ref. 58
$S_{ij,\mathrm{HITRAN}}$	20.0	Most transition intensities, all bands	Ref. 30; Ref. 59