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All results from a given calculation for C5H5NO (3(4H)-Pyridinone)

using model chemistry: G3B3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at G3B3
 hartrees
Energy at 0K-323.257325
Energy at 298.15K-323.250484
Nuclear repulsion energy 
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*
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' 3215 3087 32.18      
2 A' 3186 3060 3.54      
3 A' 3156 3030 17.12      
4 A' 3026 2906 2.76      
5 A' 1785 1714 175.71      
6 A' 1698 1631 18.51      
7 A' 1620 1556 7.39      
8 A' 1438 1381 10.32      
9 A' 1432 1375 11.33      
10 A' 1374 1319 0.46      
11 A' 1340 1287 5.78      
12 A' 1252 1203 6.57      
13 A' 1226 1177 5.45      
14 A' 1034 993 9.21      
15 A' 967 929 6.43      
16 A' 937 900 5.68      
17 A' 745 716 12.47      
18 A' 591 567 4.24      
19 A' 501 481 15.36      
20 A' 444 426 12.91      
21 A" 3049 2928 1.65      
22 A" 1196 1148 3.50      
23 A" 990 950 2.43      
24 A" 982 943 0.20      
25 A" 877 842 0.07      
26 A" 767 737 22.94      
27 A" 555 533 7.13      
28 A" 431 414 16.91      
29 A" 281 270 1.80      
30 A" 70 67 5.97      

Unscaled Zero Point Vibrational Energy (zpe) 20081.4 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 19284.1 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 B3LYP/6-31G*
ABC
0.17556 0.09221 0.06112

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.320 -1.024 0.000
C2 1.259 0.261 0.000
C3 0.000 1.061 0.000
C4 -1.299 0.265 0.000
C5 -1.106 -1.221 0.000
C6 0.121 -1.764 0.000
O7 0.028 2.281 0.000
H8 2.188 0.836 0.000
H9 -1.893 0.583 0.870
H10 -1.988 -1.857 0.000
H11 0.267 -2.841 0.000
H12 -1.893 0.583 -0.870

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.28692.46812.91922.43431.40913.54872.05213.69683.41112.09953.6968
C21.28691.49202.55832.79142.32362.36541.09153.28633.87713.25673.2863
C32.46811.49201.52342.53592.82831.22012.19922.13773.53123.91102.1377
C42.91922.55831.52341.49822.47712.41363.53291.10082.23153.47821.1008
C52.43432.79142.53591.49821.34253.68093.88302.15201.08742.12382.1520
C61.40912.32362.82832.47711.34254.04653.32123.21362.11091.08603.2136
O73.54872.36541.22012.41363.68094.04652.59842.70784.60345.12722.7078
H82.05211.09152.19923.53293.88303.32122.59844.18024.96844.14764.1802
H93.69683.28632.13771.10082.15203.21362.70784.18022.59294.14101.7406
H103.41113.87713.53122.23151.08742.11094.60344.96842.59292.45992.5929
H112.09953.25673.91103.47822.12381.08605.12724.14764.14102.45994.1410
H123.69683.28632.13771.10082.15203.21362.70784.18021.74062.59294.1410

picture of 3(4H)-Pyridinone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 125.130 N1 C2 H8 119.042
N1 C6 C5 124.411 N1 C6 H11 113.966
C2 N1 C6 118.988 C2 C3 C4 116.070
C2 C3 O7 121.093 C3 C2 H8 115.828
C3 C4 C5 114.117 C3 C4 H9 108.013
C3 C4 H12 108.013 C4 C3 O7 122.837
C4 C5 C6 121.284 C4 C5 H10 118.453
C5 C4 H9 110.858 C5 C4 H12 110.858
C5 C6 H11 121.623 C6 C5 H10 120.263
H9 C4 H12 104.481
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.366      
2 C 0.011      
3 C 0.433      
4 C -0.410      
5 C -0.100      
6 C 0.012      
7 O -0.455      
8 H 0.166      
9 H 0.203      
10 H 0.150      
11 H 0.152      
12 H 0.203      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.190 -1.871 0.000 2.880
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 179.536
(<r2>)1/2 13.399