Spectrum and energy levels of the high-lying singly excited configurations of Nd III - New Nd III experimental energy levels and wavelengths, with transition probability and ionisation energy calculations

Open Access

Table A.1

Energy levels experimentally established and semi-empirically calculated for Nd III (extract).

Par.	Label	J	E	ΔE	τ			Eigenvector Composition
			(cm⁻¹)	(cm⁻¹)	(s)			(%)
(1)	(2)	(3)	(4)	(5)	(6)	(7)		(8)
e	4f^{4 5}I	4	0.000(*)	4.2		0.604	97 4f^{4 5}I
⋮	⋮	⋮	⋮	⋮	⋮	⋮	⋮	⋮	⋮
e	4f³(⁴I°)5f ⁵L	6	114016.4(6)	−4.8	5.2 × 10⁻¹⁰	0.760	79 4f³(⁴I°)5f ⁵L	13 4f³(⁴I°)5f ⁵K	2 4f³(²H2°)5f 3K
e	4f³(⁴I°)5f ⁵M	7	114015.1(5)	−6.5	5.1 × 10⁻¹⁰	0.768	88 4f³(⁴I°)5f ⁵M	7 4f³(⁴I°)5f ⁵L	3 4f³(²H2°)5f 3L
e	4f³(⁴I°)5f ⁵K	5	114021.3(4)	−18.0	5.1 × 10⁻¹⁰	0.702	81 4f³(⁴I°)5f ⁵K	14 4f³(⁴I°)5f ³I	2 4f³(²H2°)5f 3I
⋮	⋮	⋮	⋮	⋮	⋮	⋮	⋮	⋮	⋮
e		8	130935.4(*)		5.2 × 10⁻¹⁰	1.020	51 4f³(²H2°)5f ¹L	19 4f³(²H2°)5f ³L	10 4f³(²H1°)5f ¹L

o	4f³(⁴I°)5d ⁵L°	6	15158.154(7)	−53.0	3.2 × 10⁻³	0.724	93 4f³(⁴I°)5d ⁵L°	3 4f³(²H2°)5d 3K°	3 4f³(⁴I°)5d ³K°
⋮	⋮	⋮	⋮	⋮	⋮	⋮	⋮	⋮	⋮
o		3	47 499.8(*)		1.5 × 10⁻⁶	0.926	53 4f³(⁴G°)6s ⁵G°	17 4f³(²G1°)6s ³G°	13 4f³(²G2°)6s ³G°
o	$4 f^{3} (^{4} I °) 7 s (\frac{9}{2}, \frac{1}{2}) °$ ${4{{\rm{f}}^3}\left( {^4{\rm{I}}^\circ } \right)7{\rm{s}}\left( {{9 \over 2},{1 \over 2}} \right)^\circ }$	4	103085.765(10)	−5.7	1.4 × 10⁻⁹	0.605	97 4f³(⁴I°)7s ⁵I°	3 4f³(²H2°)7s ³H°
o	$4 f^{3} (^{4} I °) 7 s (\frac{9}{2}, \frac{1}{2}) °$ ${4{{\rm{f}}^3}\left( {^4{\rm{I}}^\circ } \right)7{\rm{s}}\left( {{9 \over 2},{1 \over 2}} \right)^\circ }$	5	103335.469(8)	−2.7	1.4 × 10⁻⁹	0.866	56 4f³(⁴I°)7s ³I°	40 4f³(⁴I°)7s ⁵I°	2 4f³(²H2°)7s ³H°
o		1	103 359.1(*)		1.8 × 10⁻⁷	1.000	59 4f³(²F1°)5d ¹P°	40 4f³(²F2°)5d ¹P°
o	4f³(⁴I°)6d ⁵K°	5	103 652.472(9)	2.6	1.1 × 10⁻⁹	0.695	84 4f³(⁴I°)6d ⁵K°	11 4f³(⁴I°)6d ³I°	3 4f³(²H2°)6d ³I°
⋮	⋮	⋮	⋮	⋮	⋮	⋮	⋮	⋮	⋮
o	4f³(⁴I°)6d ³G°	5	111 138.018(18)	−26.2	1.3 × 10⁻⁹	1.196	79 4f³(⁴I°)6d 3G°	12 4f³(⁴I°)6d ⁵G°	4 4f³(⁴I°)6d ³H°

Notes. The full version of this table is available at Zenodo with up to five leading eigenvector components for each energy level. The columns are: (1) parity, where ‘e’ is for even and ‘o’ is for odd, (2) assigned configuration and term label for levels experimentally found, (3) total angular momentum J, (4) experimentally determined or semi-empirically calculated level energy in this work, uncertainties are in parentheses in units of the final decimal place for experimental energies, an uncertainty ‘*’ indicates an experimentally unknown level, where only the calculated energy is shown, (5) difference between observed and calculated level energies, (6)-(8) lifetime due to electric dipole (E1) transitions, Landé ɡ-factor, and three leading eigenvector percentages calculated using the Cowan code in this work.

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