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All results from a given calculation for C5H5NO (2(1H)-Pyridinone)

using model chemistry: TPSSh/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-323.560988
Energy at 298.15K-323.567628
HF Energy-323.560988
Nuclear repulsion energy274.978225
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at TPSSh/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3590 3464 49.02      
2 A' 3233 3120 5.41      
3 A' 3216 3104 4.95      
4 A' 3200 3088 4.35      
5 A' 3169 3058 14.20      
6 A' 1774 1712 495.97      
7 A' 1659 1601 37.17      
8 A' 1577 1522 53.66      
9 A' 1489 1437 1.23      
10 A' 1448 1397 5.07      
11 A' 1379 1331 1.77      
12 A' 1238 1194 18.88      
13 A' 1217 1174 3.95      
14 A' 1156 1115 13.77      
15 A' 1104 1066 17.24      
16 A' 1019 983 2.59      
17 A' 989 955 11.38      
18 A' 814 785 6.26      
19 A' 604 583 0.51      
20 A' 535 516 5.75      
21 A' 441 426 6.84      
22 A" 1007 971 0.05      
23 A" 933 901 0.11      
24 A" 862 832 13.45      
25 A" 772 745 70.95      
26 A" 741 715 0.03      
27 A" 707 682 28.75      
28 A" 484 467 32.03      
29 A" 387 373 1.49      
30 A" 173 167 2.25      

Unscaled Zero Point Vibrational Energy (zpe) 20457.9 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 19741.8 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at TPSSh/6-31G(2df,p)
ABC
0.18920 0.09266 0.06220

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.137 0.230 0.000
C2 0.000 1.070 0.000
C3 1.244 0.325 0.000
C4 1.267 -1.040 0.000
C5 0.065 -1.805 0.000
C6 -1.120 -1.131 0.000
O7 -0.142 2.286 0.000
H8 2.152 0.916 0.000
H9 2.221 -1.560 0.000
H10 0.080 -2.886 0.000
H11 -2.087 -1.619 0.000
H12 -2.017 0.729 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.41332.38282.71832.36291.36162.28433.35953.80483.34512.07921.0119
C21.41331.45022.46102.87542.46981.22452.15753.44253.95693.40422.0452
C32.38281.45021.36532.43472.77672.40141.08322.12353.41593.85763.2859
C42.71832.46101.36531.42492.38833.61212.14711.08662.19503.40413.7299
C52.36292.87542.43471.42491.36234.09623.42942.16961.08152.16033.2793
C61.36162.46982.77672.38831.36233.55493.85973.36772.12541.08372.0658
O72.28431.22452.40143.61214.09623.55492.67174.51425.17714.36322.4371
H83.35952.15751.08322.14713.42943.85972.67172.47784.33044.93984.1729
H93.80483.44252.12351.08662.16963.36774.51422.47782.51804.30854.8164
H103.34513.95693.41592.19501.08152.12545.17714.33042.51802.51054.1793
H112.07923.40423.85763.40412.16031.08374.36324.93984.30852.51052.3494
H121.01192.04523.28593.72993.27932.06582.43714.17294.81644.17932.3494

picture of 2(1H)-Pyridinone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 112.631 N1 C2 O7 119.822
N1 C6 C5 120.326 N1 C6 H11 116.022
C2 N1 C6 125.755 C2 N1 H12 113.962
C2 C3 C4 121.852 C2 C3 H8 116.029
C3 C2 O7 127.547 C3 C4 C5 121.516
C3 C4 H9 119.584 C4 C3 H8 122.119
C4 C5 C6 117.920 C4 C5 H10 121.671
C5 C4 H9 118.900 C5 C6 H11 123.652
C6 N1 H12 120.283 C6 C5 H10 120.409
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability