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: B97D3/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A
Energy calculated at B97D3/6-311G**
 hartrees
Energy at 0K-323.360120
Energy at 298.15K-323.366322
HF Energy-323.360120
Nuclear repulsion energy272.640579
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 B97D3/6-311G**
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 3141 3097 20.47      
2 A 3111 3066 8.61      
3 A 3040 2996 0.68      
4 A 3036 2993 50.27      
5 A 2935 2893 2.65      
6 A 1741 1716 220.04      
7 A 1646 1623 53.40      
8 A 1532 1510 115.45      
9 A 1393 1373 18.28      
10 A 1386 1366 26.27      
11 A 1367 1348 16.53      
12 A 1283 1265 2.81      
13 A 1175 1158 19.74      
14 A 1144 1127 10.49      
15 A 1097 1082 48.77      
16 A 984 970 1.64      
17 A 979 965 5.51      
18 A 964 950 7.71      
19 A 945 931 24.89      
20 A 935 922 2.68      
21 A 893 880 5.88      
22 A 746 736 4.22      
23 A 685 675 55.42      
24 A 605 597 1.65      
25 A 563 555 0.12      
26 A 518 511 0.90      
27 A 454 447 1.93      
28 A 415 409 5.85      
29 A 264 260 2.29      
30 A 80 79 2.91      

Unscaled Zero Point Vibrational Energy (zpe) 19527.4 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 19248.1 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 B97D3/6-311G**
ABC
0.17246 0.09498 0.06402

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.366 -1.274 0.220
C2 1.046 -0.040 0.027
C3 0.257 1.249 0.274
C4 -1.192 1.135 -0.091
C5 -1.746 -0.087 -0.216
C6 -0.921 -1.262 0.059
O7 2.212 -0.025 -0.307
H8 0.763 2.071 -0.244
H9 -1.777 2.045 -0.219
H10 -2.799 -0.224 -0.454
H11 -1.433 -2.227 0.156
H12 0.331 1.483 1.353

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.42232.52562.88562.46221.29762.29033.40013.97503.40172.03682.9804
C21.42231.53062.52952.80302.31631.21342.14643.51723.87853.30822.1409
C32.52561.53061.49772.45672.78182.40481.09602.23853.46883.86611.1058
C42.88562.52951.49771.34782.41733.60212.17201.08942.13593.37972.1266
C52.46222.80302.45671.34781.46223.95983.30932.13221.08742.19473.0396
C61.29762.31632.78182.41731.46223.38863.74673.42752.20551.09613.2829
O72.29031.21342.40483.60213.95983.38862.54864.49445.01654.28352.9264
H83.40012.14641.09602.17203.30933.74672.54862.53944.24184.84261.7556
H93.97503.51722.23851.08942.13223.42754.49442.53942.50004.30222.6884
H103.40173.87853.46882.13591.08742.20555.01654.24182.50002.49963.9964
H112.03683.30823.86613.37972.19471.09614.28354.84264.30222.49964.2782
H122.98042.14091.10582.12663.03963.28292.92641.75562.68843.99644.2782

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 118.635 N1 C2 O7 119.691
N1 C6 C5 126.680 N1 C6 H11 116.135
C2 N1 C6 117.558 C2 C3 C4 114.954
C2 C3 H8 108.022 C2 C3 H12 107.063
C3 C2 O7 120.729 C3 C4 C5 119.630
C3 C4 H9 118.831 C4 C3 H8 111.974
C4 C3 H12 109.066 C4 C5 C6 118.838
C4 C5 H10 122.254 C5 C4 H9 121.532
C5 C6 H11 117.185 C6 C5 H10 118.870
H8 C3 H12 105.209
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.265      
2 C 0.267      
3 C -0.256      
4 C -0.068      
5 C -0.134      
6 C 0.064      
7 O -0.274      
8 H 0.156      
9 H 0.120      
10 H 0.102      
11 H 0.123      
12 H 0.166      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -4.322 2.141 0.516 4.851
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.127 2.959 1.836
y 2.959 -37.938 0.838
z 1.836 0.838 -40.176
Traceless
 xyz
x -5.070 2.959 1.836
y 2.959 4.214 0.838
z 1.836 0.838 0.856
Polar
3z2-r21.713
x2-y2-6.189
xy2.959
xz1.836
yz0.838


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.572 0.503 0.197
y 0.503 10.252 0.018
z 0.197 0.018 5.215


<r2> (average value of r2) Å2
<r2> 175.938
(<r2>)1/2 13.264