Skip to main content
. 2017 Mar 15;8(5):4035–4043. doi: 10.1039/c7sc00710h

Table 2. Calculated relative energies (kcal mol–1), geometries (bond lengths in Å, bond angles in degrees), vibrational frequencies (unscaled, cm–1) and intensities (km mol–1) of the neutral NPrO molecule at the B3LYP, CCSD(T) and CASPT2 levels of theory.


B3LYP
CCSD(T)
CASPT2
Pr(v) Pr(iv) Pr(iii) Pr(v) Pr(iv) Pr(iii) Pr(v) Pr(iv)
ΔE 0.0 –7.5 54.7 0 10.8 43.4
State 1Σ 3Φ 5A′ 1Σ 3Φ 5A′ 1Σ 3Φ
Electron configuration f0σ2π4 fφ1σ1π4 f2σ1π3 f0σ2π4 fφ1σ1π4 f2σ1π3 f0σ2π4 fφ1σ1π4
Pr–O 1.765 1.805 1.829 1.775 1.810 1.828 1.794 1.811
Pr–N 1.677 1.767 2.361 1.697 1.779 2.242 1.723 1.769
∠OPrN 180.0 180.0 127.4 180.0 180.0 117.1 180.0 180.0
ν Pr–N stretch 1021.1(378) 826.8(284) 330.5(73) 960 819.3 402.1 896.8(401) 818.4(231)
Pr–O stretch 822.1(194) 736.2(59) 784.6(300) 788.6 723.1 776.9 735.6(97) 784.1(64)
NPrO bend 157.0(78) 168.4(74) 63.4(54) 125.7 164.9 119.6
S 2 0.0 2.01 6.02
T 1 0.056 0.046 0.032
D 1 0.167 0.123 0.091