. 2022 Jul 25;24(32):19287–19301. doi: 10.1039/d2cp02240k

A brief summary of the ¹²CH Marvel results for the different electronic states, the energy and uncertainty ranges are given in cm⁻¹. Unc. = uncertainty, Avg. = average.

State	v range	Levels	Unc. range	Avg. unc.	Range of energy levels
X²Π	0–5	711	0.0000–1.3510	0.0252	0.0000–21277.3362
A²Δ	0–5	514	0.0051–1.0013	0.1910	23260.1771–39244.0815
B²Σ⁻	0–1	109	0.0071–0.5001	0.1026	25712.5053–31474.7352
C²Σ⁺	0–2	141	0.0054–0.5001	0.0736	31791.6558–43701.3123
D²Π	0–2	58	0.1000–4.1430	0.7270	58999.2647–65867.9341
E²Σ⁺	2–2	25	0.5000–2.7250	0.9777	68793.1355–70652.4969
F²Σ⁺	0–0	15	0.5000–1.0000	0.7539	64531.9000–64793.2681

A brief summary of the 12CH Marvel results for the different electronic states, the energy and uncertainty ranges are given in cm−1. Unc. = uncertainty, Avg. = average.