High-resolution terahertz spectroscopy of the 15NH radical (Σ−)

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Table 1

Transition frequencies (in cm^-1) of ¹⁵NH () observed at SOLEIL.

N′ ← N′′	J′ ← J′′	ν_obs	ν_obs − ν_calc

2 ← 1	3 ← 2	64.92520	0.00011
	2 ← 1	65.03082	−0.00010
3 ← 2	4 ← 3	97.36245	−0.00004
	3 ← 2	97.44515	−0.00001
	2 ← 1	97.61970	0.00006
4 ← 3	5 ← 4	129.66641	0.00002
	4 ← 3	129.73834	−0.00002
	3 ← 2	129.84364	−0.00001
5 ← 4	6 ← 5	161.80455	0.00001
	5 ← 4	161.87050	−0.00002
	4 ← 3	161.95254	−0.00004
6 ← 5	7 ← 6	193.73988	0.00000
	6 ← 5	193.80200	−0.00001
	5 ← 4	193.87328	−0.00006
6 ← 5	7 ← 6	225.43424	−0.00002
	6 ← 5	225.49363	0.00001
	6 ← 5	225.55871^a

Notes. The experimental error of the transitions is estimated to be 0.0001 cm^-1 (3 MHz).

^(a)

Calculated value. This fine-structure component was too weak to be observed.

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