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

using model chemistry: MP2/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/TZVP
 hartrees
Energy at 0K-322.668255
Energy at 298.15K 
HF Energy-321.624044
Nuclear repulsion energy271.423301
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 MP2/TZVP
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' 3244 3075 5.35      
2 A' 3222 3054 6.01      
3 A' 3180 3015 26.79      
4 A' 3088 2927 3.28      
5 A' 1725 1635 117.76      
6 A' 1672 1585 21.91      
7 A' 1609 1526 14.76      
8 A' 1441 1366 20.37      
9 A' 1425 1351 2.83      
10 A' 1405 1332 8.95      
11 A' 1350 1280 12.73      
12 A' 1276 1210 16.52      
13 A' 1164 1103 9.08      
14 A' 1033 979 24.50      
15 A' 977 926 2.64      
16 A' 942 893 6.73      
17 A' 765 725 11.79      
18 A' 557 528 4.50      
19 A' 517 490 7.79      
20 A' 446 423 15.88      
21 A" 3130 2967 0.43      
22 A" 1237 1173 3.69      
23 A" 961 911 0.01      
24 A" 901 854 0.39      
25 A" 791 750 4.21      
26 A" 739 700 39.43      
27 A" 472 448 0.12      
28 A" 376 357 1.03      
29 A" 162 154 1.47      
30 A" 104i 99i 10.88      

Unscaled Zero Point Vibrational Energy (zpe) 19850.2 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 18816.1 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 MP2/TZVP
ABC
0.17681 0.09204 0.06120

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.160 -1.244 0.000
C2 -1.261 0.205 0.000
C3 0.000 1.064 0.000
C4 1.283 0.332 0.000
C5 1.279 -1.013 0.000
C6 0.009 -1.760 0.000
O7 -0.062 2.282 0.000
H8 -1.855 0.495 0.871
H9 2.190 0.924 0.000
H10 2.201 -1.583 0.000
H11 0.077 -2.846 0.000
H12 -1.855 0.495 -0.871

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.45252.58332.90682.44911.27733.69252.06503.99023.37802.02382.0650
C21.45251.52592.54672.81652.33942.39781.09313.52533.89673.33131.0931
C32.58331.52591.47692.43962.82441.21872.12672.19493.44323.91102.1267
C42.90682.54671.47691.34552.44952.36803.26001.08352.12443.39903.2600
C52.44912.81652.43961.34551.47313.55713.58472.14091.08462.19133.5847
C61.27732.33942.82442.44951.47314.04213.05193.45862.19971.08803.0519
O73.69252.39781.21872.36803.55714.04212.67682.62994.47875.12932.6768
H82.06501.09312.12673.26003.58473.05192.67684.16004.63973.95591.7415
H93.99023.52532.19491.08352.14093.45862.62994.16002.50704.32164.1600
H103.37803.89673.44322.12441.08462.19974.47874.63972.50702.47114.6397
H112.02383.33133.91103.39902.19131.08805.12933.95594.32162.47113.9559
H122.06501.09312.12673.26003.58473.05192.67681.74154.16004.63973.9559

picture of 3(2H)-Pyridinone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 120.284 N1 C2 H8 107.593
N1 C2 H12 107.593 N1 C6 C5 125.716
N1 C6 H11 117.431 C2 N1 C6 117.823
C2 C3 C4 116.002 C2 C3 O7 121.369
C3 C2 H8 107.435 C3 C2 H12 107.435
C3 C4 C5 119.546 C3 C4 H9 117.192
C4 C3 O7 122.629 C4 C5 C6 120.629
C4 C5 H10 121.531 C5 C4 H9 123.262
C5 C6 H11 116.854 C6 C5 H10 117.840
H8 C2 H12 105.616
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability