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All results from a given calculation for C5H5NO (2(3H)-Pyridinone)

using model chemistry: B3LYP/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 B3LYP/6-31G(2df,p)
 hartrees
Energy at 0K-323.501889
Energy at 298.15K-323.508203
HF Energy-323.501889
Nuclear repulsion energy273.277476
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 B3LYP/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 3203 3091 12.91      
2 A 3171 3060 5.04      
3 A 3100 2991 35.82      
4 A 3085 2977 1.68      
5 A 2992 2888 1.32      
6 A 1814 1750 230.21      
7 A 1704 1645 55.51      
8 A 1603 1547 131.67      
9 A 1427 1377 22.67      
10 A 1414 1365 23.82      
11 A 1405 1355 11.56      
12 A 1320 1274 2.98      
13 A 1205 1163 25.19      
14 A 1173 1132 4.43      
15 A 1137 1097 47.57      
16 A 1023 987 0.52      
17 A 1006 971 3.82      
18 A 993 958 2.48      
19 A 968 934 35.01      
20 A 956 923 0.31      
21 A 927 894 4.74      
22 A 767 740 5.04      
23 A 721 696 39.21      
24 A 610 589 1.07      
25 A 574 554 0.38      
26 A 528 510 2.06      
27 A 468 452 2.13      
28 A 438 423 3.69      
29 A 274 264 2.27      
30 A 72 70 2.40      

Unscaled Zero Point Vibrational Energy (zpe) 20037.8 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 19336.5 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 B3LYP/6-31G(2df,p)
ABC
0.17528 0.09497 0.06361

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.365 -1.275 0.173
C2 1.047 -0.041 0.019
C3 0.257 1.253 0.219
C4 -1.204 1.128 -0.075
C5 -1.757 -0.087 -0.172
C6 -0.917 -1.263 0.050
O7 2.224 -0.024 -0.244
H8 0.736 2.038 -0.374
H9 -1.794 2.034 -0.175
H10 -2.814 -0.233 -0.361
H11 -1.423 -2.228 0.133
H12 0.386 1.565 1.268

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.41822.53072.88002.45561.28782.27893.37873.96623.38792.02643.0441
C21.41821.52922.53792.81062.31311.20572.13913.52333.88463.30092.1397
C32.53071.52921.49562.45092.78162.38981.09442.22983.46113.86631.1025
C42.88002.53791.49561.33862.41073.61972.16391.08632.12753.36902.1266
C52.45562.81062.45091.33861.46143.98143.28242.12211.08402.18753.0657
C61.28782.31312.78162.41071.46143.38873.71623.41902.19751.09293.3437
O72.27891.20572.38983.61973.98143.38872.54634.51435.04344.27742.8618
H83.37872.13911.09442.16393.28243.71622.54632.53744.21464.80831.7449
H93.96623.52332.22981.08632.12213.41904.51432.53742.49324.28922.6560
H103.38793.88463.46112.12751.08402.19755.04344.21462.49322.48174.0162
H112.02643.30093.86633.36902.18751.09294.27744.80834.28922.48174.3531
H123.04412.13971.10252.12663.06573.34372.86181.74492.65604.01624.3531

picture of 2(3H)-Pyridinone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 118.276 N1 C2 O7 120.356
N1 C6 C5 126.446 N1 C6 H11 116.449
C2 N1 C6 117.395 C2 C3 C4 114.070
C2 C3 H8 108.102 C2 C3 H12 107.683
C3 C2 O7 121.360 C3 C4 C5 119.605
C3 C4 H9 118.593 C4 C3 H8 112.410
C4 C3 H12 108.930 C4 C5 C6 118.790
C4 C5 H10 122.505 C5 C4 H9 121.781
C5 C6 H11 117.100 C6 C5 H10 118.632
H8 C3 H12 105.173
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability