T(K) cross sect. at 216.62 nm 1385 1.34e-19 1400 1.42e-19 1450 1.67e-19 1500 1.95e-19 1550 2.24e-19 1600 2.55e-19 1650 2.88e-19 1700 3.23e-19 1750 3.61e-19 1800 4.00e-19 1830 4.26e-19