Table 1. Absorption Lines of NH2, NHD, and ND2 Radicals Recorded in the Visible and Near-Ultraviolet Region after Photolysis of NH3 and ND3 in Solid Neon Near 4 K.
| (v′–v″)a | λ/nmb | ν/cm–1c | Δν/cm–1d | ||
|---|---|---|---|---|---|
| NH2 | X̃2B1–Ã2A1 | ||||
| π system | (0,0,0)–(0,1+,0) | 785.9 | 12 721 | ||
| (0,0,0)–(0,2+,0) | 691.6 | 14 455 | 1734 | ||
| (0,0,0)–(0,3+,0) | 624.5 | 16 009 | 1554 | ||
| (0,0,0)–(0,4+,0) | 565.6 | 17 675 | 1666 | ||
| (0,0,0)–(0,5+,0) | 512.2 | 19 518 | 1843 | ||
| (0,0,0)–(0,6+,0) | 467.8 | 21 371 | 1853 | ||
| (0,0,0)–(0,7+,0) | 429.3 | 23 287 | 1916 | ||
| (0,0,0)–(0,8+,0) | 396.2 | 25 233 | 1946 | ||
| (0,0,0)–(0,9+,0) | 367.1 | 27 233 | 2000 | ||
| (0,0,0)–(1,2+,0) | 559.2 | 17 878 | |||
| (0,0,0)–(1,3+,0) | 516.2 | 19 367 | 1489 | ||
| (0,0,0)–(1,4+,0) | 475.6 | 21 021 | 1654 | ||
| (0,0,0)–(0,10–,0) | 762.2 | 13 116 | |||
| (0,0,0)–(0,11–,0) | 712.0 | 14 043 | 927 | ||
| (0,0,0)–(0,12–,0) | 643.2 | 15 543 | 1500 | ||
| (0,0,0)–(1,7–,0) | 772.8 | 12 938 | |||
| (0,0,0)–(1,8–,0) | 703.3 | 14 217 | 1279 | ||
| (0,0,0)–(1,10–,0) | 607.7 | 16 452 | 2235 | ||
| σ system | (0,0,0)–(0,4+,0) | 591.3 | 16 907 | ||
| (0,0,0)–(0,5+,0) | 535.3 | 18 678 | 1771 | ||
| (0,0,0)–(0,6+,0) | 486.9 | 20 532 | 1786 | ||
| (0,0,0)–(0,7+,0) | 445.5 | 22 440 | 1854 | ||
| (0,0,0)–(1,2+,0) | 582.7 | 17 159 | |||
| (0,0,0)–(1,3+,0) | 530.9 | 18 832 | 1673 | ||
| (0,0,0)–(1,4+,0) | 491.0 | 20 362 | 1530 | ||
| δ system | (0,0,0)–(0,3+,0) | 600.0 | 16 662 | ||
| (0,0,0)–(0,4+,0) | 550.1 | 18 174 | 1512 | ||
| (0,0,0)–(1,3+,0) | 507.1 | 19 715 | 3053 | ||
| NHD | X̃ 2B1–Ã 2A1 | ||||
| π system | (0,0,0)–(0,1+,0) | 805.3 | 12 414 | 1461 | |
| (0,0,0)–(0,2+,0) | 720.5 | 13 875 | 1325 | ||
| (0,0,0)–(0,3+,0) | 657.7 | 15 200 | 1459 | ||
| (0,0,0)–(0,4+,0) | 600.1 | 16 659 | 1505 | ||
| (0,0,0)–(0,5+,0) | 550.4 | 18 164 | 1543 | ||
| (0,0,0)–(0,6+,0) | 507.3 | 19 707 | 1655 | ||
| (0,0,0)–(0,7+,0) | 468.0 | 21 362 | 1668 | ||
| (0,0,0)–(0,8+,0) | 434.1 | 23 030 | 1636 | ||
| (0,0,0)–(0,9+,0) | 405.3 | 24 666 | 1461 | ||
| ND2 | X̃ 2B1–Ã 2A1 | ||||
| π system | (0,0,0)–(0,1+,0) | 819.5 | 12 199 | ||
| (0,0,0)–(0,2+,0) | 758.5 | 13 180 | 981 | ||
| (0,0,0)–(0,3+,0) | 693.7 | 14 412 | 1232 | ||
| (0,0,0)–(0,4+,0) | 644.7 | 15 507 | 1095 | ||
| (0,0,0)–(0,5+,0) | 597.7 | 16 726 | 1219 | ||
| (0,0,0)–(0,6+,0) | 553.2 | 18 072 | 1346 | ||
| (0,0,0)–(0,7+,0) | 515.2 | 19 405 | 1333 | ||
| (0,0,0)–(0,8+,0) | 482.6 | 20 716 | 1311 | ||
| (0,0,0)–(0,9+,0) | 451.9 | 22 122 | 1406 | ||
| (0,0,0)–(0,10+,0) | 424.8 | 23 534 | 1412 | ||
| (0,0,0)–(0,11+,0) | 400.7 | 24 950 | 1416 | ||
| (0,0,0)–(1,1+,0) | 700.2 | 14 278 | |||
| (0,0,0)–(1,3+,0) | 592.4 | 16 876 | 2598 | ||
| (0,0,0)–(1,4+,0) | 557.5 | 17 932 | 1056 | ||
a
v′–v″ denotes the vibrational numbering for transitions between vibrational state v′ in an excited electronic state and the vibrational ground state v″ = 0 of the ground electronic state.
b
Wavelength λ/nm is measured in air.
c
Wavenumber ν/cm–1 pertains to vacuum.
d
Wavenumber difference Δν/cm–1 is the progressive difference from the preceding row.