return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-323.276103
Energy at 298.15K-323.282250
HF Energy-323.276103
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 B97D3/6-31G*
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 3154 3092 22.85      
2 A 3123 3062 10.39      
3 A 3057 2997 50.19      
4 A 3048 2988 4.10      
5 A 2944 2886 2.65      
6 A 1754 1720 197.66      
7 A 1664 1631 49.38      
8 A 1548 1518 116.17      
9 A 1414 1386 21.51      
10 A 1410 1382 19.92      
11 A 1385 1358 15.20      
12 A 1300 1275 2.53      
13 A 1185 1162 20.41      
14 A 1157 1135 5.88      
15 A 1114 1092 52.33      
16 A 990 971 1.63      
17 A 984 965 5.08      
18 A 961 943 12.11      
19 A 951 933 14.24      
20 A 939 920 4.93      
21 A 899 881 5.97      
22 A 750 735 4.04      
23 A 685 672 46.15      
24 A 600 588 1.48      
25 A 563 552 0.15      
26 A 516 506 1.06      
27 A 455 446 1.91      
28 A 417 409 5.16      
29 A 260 255 2.38      
30 A 75 73 2.71      

Unscaled Zero Point Vibrational Energy (zpe) 19650.6 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 19265.4 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 B97D3/6-31G*
ABC
0.17277 0.09415 0.06327

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.370 -1.280 0.197
C2 1.047 -0.041 0.022
C3 0.256 1.255 0.246
C4 -1.202 1.136 -0.084
C5 -1.759 -0.090 -0.193
C6 -0.924 -1.265 0.054
O7 2.230 -0.023 -0.275
H8 0.750 2.064 -0.310
H9 -1.792 2.048 -0.200
H10 -2.819 -0.231 -0.405
H11 -1.432 -2.235 0.139
H12 0.357 1.529 1.315

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.42242.53782.89582.46991.30202.29433.40363.98803.41052.04053.0227
C21.42241.53472.54052.81482.32051.22032.15223.53183.89423.31282.1474
C32.53781.53471.49942.46242.78972.40871.09922.24123.47693.87871.1083
C42.89582.54051.49941.35142.42153.62752.17271.09222.14203.38682.1311
C52.46992.81482.46241.35141.46273.99093.30902.13801.09002.19533.0616
C61.30202.32052.78972.42151.46273.40623.74443.43432.20711.09833.3226
O72.29431.22032.40873.62753.99093.40622.55924.52485.05534.29892.9059
H83.40362.15221.09922.17273.30903.74442.55922.54444.24424.84251.7562
H93.98803.53182.24121.09222.13803.43434.52482.54442.50784.31152.6806
H103.41053.89423.47692.14201.09002.20715.05534.24422.50782.49744.0179
H112.04053.31283.87873.38682.19531.09834.29894.84254.31152.49744.3304
H123.02272.14741.10832.13113.06163.32262.90591.75622.68064.01794.3304

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 118.769 N1 C2 O7 119.716
N1 C6 C5 126.729 N1 C6 H11 116.164
C2 N1 C6 117.485 C2 C3 C4 114.837
C2 C3 H8 108.163 C2 C3 H12 107.205
C3 C2 O7 120.754 C3 C4 C5 119.677
C3 C4 H9 118.747 C4 C3 H8 111.945
C4 C3 H12 109.032 C4 C5 C6 118.797
C4 C5 H10 122.322 C5 C4 H9 121.569
C5 C6 H11 117.108 C6 C5 H10 118.846
H8 C3 H12 105.112
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.388      
2 C 0.523      
3 C -0.424      
4 C -0.095      
5 C -0.124      
6 C 0.041      
7 O -0.417      
8 H 0.202      
9 H 0.164      
10 H 0.152      
11 H 0.160      
12 H 0.207      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -4.377 2.182 0.460 4.913
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.573 2.873 1.642
y 2.873 -37.401 0.775
z 1.642 0.775 -39.564
Traceless
 xyz
x -5.091 2.873 1.642
y 2.873 4.167 0.775
z 1.642 0.775 0.923
Polar
3z2-r21.847
x2-y2-6.172
xy2.873
xz1.642
yz0.775


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.187 0.462 0.184
y 0.462 9.806 -0.014
z 0.184 -0.014 4.513


<r2> (average value of r2) Å2
<r2> 176.823
(<r2>)1/2 13.297