Standoff Methods for the Detection of Threat Agents: A Review of Several Promising Laser-Based Techniques

Table 1

Effective molecular constants for the band of isobutylene.

	1381.49 (15)
	0.225 (6)
	4.7 (8) × 10^−5
	0.224 (6)
	4.5 (7) × 10^−5

All values are in cm⁻¹.