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Electronic potential energy curves of the Sr2 Excited Σ and Π states

figure 1

Figure 1. Potential-energy curves for the 3Σ± and 5Σ- states. Full lines: 3Σg+; dashed lines: 3Σu+; dotted line: 3Σu-; ·-·-·- : 5Σ3-. Reference

figure 2

Figure 2. Potential-energy curves for the 1Σ+ states. Full lines: g-sym.; dashed lines: u-sym. Reference


figure 3

Figure 3. Potential-energy curves for the 1Π states. Full lines: 1Πg; dashed lines: 1Πu. Reference


figure 4

Figure 4. Potential-energy curves for the 1,3Δ states. Full line: 1Δg; dotted line: 1Δu; dashed line: 3Δg; ·-·-·- : 3Δu. Reference


figure 5

Figure 5. Potential-energy curves for the 3Π states. Full lines: g-sym.; dashed lines: u-sym. Reference


figure 6

Figure 6. Comparison between the potential-energy curves of the X 2Σu+ state of Sr2+ and of some excited states of Sr2. Full line: X 2Σu+; dashed lines: 3Σu+; dotted lines: 1,3Δu; ·-·-·- : (2)1Σu+.

Reference



figure 7

Figure 7. Potential curves for the excited triplet and singlet states of the Sr2 dimer correlating with the 3P + 1S and 1P + 1S asymptotes (1 cm-1 = 4.556336 × 10-6 Eh). Reference


figure 8

Figure 8. Potential curves for the excited states of the Sr2 dimer correlating with the 3D + 1S and 1D + 1S asymptotes. Potential curves arrising from the 3P + 1S and 1P + 1S asymptotes are marked with dashed lines (1 cm-1 = 4.556336 × 10-6 Eh). Reference


Table 1. Spectroscopic parameters De (cm-1) and Re (a0) for the excited states Sr2.

Singlet stateDeReTriplet stateDeRe
(4d) 1Δg5 7366.25(5p) 3Σg36211.50
(4d) 1Σg4 5507.90(4d) 3Δg2 7908.52
(5p) 1Σg1 1076.76(4d) 3Σg1 3538.51
(4d) 1Πu5 4107.51(5p) 3Πu1 8928.02
(5p) 1Πu4 0686.75(4d) 3Πu4 8057.50
(4d) 1Σu5 4407.12(5p) 3Σu6 8957.74
(4d) 1Δu9 2637.50(4d) 3Δu6 0377.24
(5p) 1Σu5 4907.74(4d) 3Σu4 6987.25
(4d) 1Σg14 5906.88(5p) 3Σg8 9366.98
(5p) 1Πg5 4837.51(4d) 3Πg5 0167.49

Reference

Created November 3, 2015, Updated August 25, 2016