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 (3(2H)-Pyridinone)

using model chemistry: wB97X-D/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/3-21G*
 hartrees
Energy at 0K-321.577708
Energy at 298.15K-321.584134
HF Energy-321.577708
Nuclear repulsion energy270.488751
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 wB97X-D/3-21G*
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 3258 3088 2.40      
2 A 3228 3060 5.34      
3 A 3194 3027 27.60      
4 A 3116 2954 0.01      
5 A 3083 2922 1.09      
6 A 1774 1681 111.22      
7 A 1728 1638 33.79      
8 A 1660 1574 13.55      
9 A 1467 1391 25.19      
10 A 1454 1378 15.66      
11 A 1425 1351 2.12      
12 A 1354 1283 4.04      
13 A 1294 1226 3.95      
14 A 1274 1208 9.83      
15 A 1181 1120 35.71      
16 A 1111 1053 0.93      
17 A 1038 984 0.93      
18 A 1019 966 1.80      
19 A 1003 950 24.69      
20 A 962 912 5.60      
21 A 926 878 7.26      
22 A 827 784 56.23      
23 A 751 712 7.92      
24 A 574 544 9.24      
25 A 569 540 2.70      
26 A 528 501 9.64      
27 A 497 471 1.60      
28 A 441 418 13.24      
29 A 279 264 4.67      
30 A 88 83 14.14      

Unscaled Zero Point Vibrational Energy (zpe) 20551.8 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 19479.0 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 wB97X-D/3-21G*
ABC
0.17722 0.09069 0.06065

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.203 -1.203 -0.000
C2 -0.265 -1.255 0.000
C3 -1.067 0.043 0.000
C4 -0.271 1.283 0.000
C5 1.069 1.232 -0.000
C6 1.772 -0.052 0.000
O7 -2.302 0.035 -0.000
H8 -0.575 -1.845 0.872
H9 -0.816 2.217 -0.000
H10 1.668 2.135 -0.000
H11 2.858 -0.027 -0.000
H12 -0.575 -1.845 -0.872

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.46872.58992.89012.43881.28333.71702.08223.97163.37052.02992.0822
C21.46871.52612.53822.82232.36502.41131.09783.51573.90243.35511.0978
C32.58991.52611.47422.44542.84091.23412.13722.18883.44393.92562.1372
C42.89012.53821.47421.34092.44052.38363.26201.08152.11753.39133.2618
C52.43882.82232.44541.34091.46433.57703.59662.12701.08352.18693.5964
C61.28332.36502.84092.44051.46434.07443.07943.44212.19041.08593.0794
O73.71702.41131.23412.38363.57704.07442.69782.63964.49065.15942.6976
H82.08221.09782.13723.26203.59663.07942.69784.16204.65163.98131.7440
H93.97163.51572.18881.08152.12703.44212.63964.16202.48514.30454.1618
H103.37053.90243.44392.11751.08352.19044.49064.65162.48512.46774.6514
H112.02993.35513.92563.39132.18691.08595.15943.98134.30452.46773.9813
H122.08221.09782.13723.26183.59643.07942.69761.74404.16184.65143.9813

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 119.708 N1 C2 H8 107.564
N1 C2 H12 107.564 N1 C6 C5 125.020
N1 C6 H11 117.670 C2 N1 C6 118.338
C2 C3 C4 115.542 C2 C3 O7 121.394
C3 C2 H8 107.961 C3 C2 H12 107.963
C3 C4 C5 120.537 C3 C4 H9 117.004
C4 C3 O7 123.064 C4 C5 C6 120.855
C4 C5 H10 121.352 C5 C4 H9 122.458
C5 C6 H11 117.310 C6 C5 H10 117.793
H8 C2 H12 105.183
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.468      
2 C -0.366      
3 C 0.387      
4 C -0.220      
5 C -0.268      
6 C 0.074      
7 O -0.478      
8 H 0.294      
9 H 0.258      
10 H 0.245      
11 H 0.249      
12 H 0.294      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.040 1.567 -0.001 2.573
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.959 4.965 0.002
y 4.965 -37.449 0.001
z 0.002 0.001 -40.383
Traceless
 xyz
x -7.043 4.965 0.002
y 4.965 5.722 0.001
z 0.002 0.001 1.321
Polar
3z2-r22.642
x2-y2-8.510
xy4.965
xz0.002
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.487 0.517 -0.001
y 0.517 8.256 0.000
z -0.001 0.000 3.454


<r2> (average value of r2) Å2
<r2> 180.486
(<r2>)1/2 13.435