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

using model chemistry: HF/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at HF/6-31G*
 hartrees
Energy at 0K-321.523459
Energy at 298.15K-321.530082
HF Energy-321.523459
Nuclear repulsion energy273.696214
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 HF/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' 3413 3066 30.49      
2 A' 3375 3033 3.89      
3 A' 3358 3017 15.53      
4 A' 3205 2880 7.67      
5 A' 2020 1815 244.81      
6 A' 1893 1701 41.21      
7 A' 1843 1656 1.25      
8 A' 1575 1415 11.84      
9 A' 1553 1395 3.98      
10 A' 1492 1341 8.84      
11 A' 1467 1318 2.43      
12 A' 1372 1232 7.45      
13 A' 1325 1191 4.15      
14 A' 1102 990 17.66      
15 A' 1030 926 8.73      
16 A' 1012 910 4.01      
17 A' 798 717 8.78      
18 A' 632 568 4.16      
19 A' 536 481 15.91      
20 A' 481 432 19.12      
21 A" 3236 2908 5.49      
22 A" 1317 1183 5.79      
23 A" 1117 1004 0.89      
24 A" 1097 986 0.63      
25 A" 968 870 1.58      
26 A" 863 775 30.45      
27 A" 607 545 5.18      
28 A" 492 442 27.74      
29 A" 315 283 6.21      
30 A" 70 63 5.63      

Unscaled Zero Point Vibrational Energy (zpe) 21781.5 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 19570.6 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 HF/6-31G*
ABC
0.17652 0.09469 0.06232

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.308 -1.009 0.000
C2 1.265 0.247 0.000
C3 0.000 1.052 0.000
C4 -1.301 0.280 0.000
C5 -1.103 -1.207 0.000
C6 0.102 -1.747 0.000
O7 0.046 2.243 0.000
H8 2.181 0.814 0.000
H9 -1.876 0.597 0.867
H10 -1.975 -1.835 0.000
H11 0.247 -2.810 0.000
H12 -1.876 0.597 -0.867

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.25692.44162.91072.41931.41353.48912.02193.67033.38562.08983.6703
C21.25691.49942.56622.77842.30782.33931.07803.27723.85133.22153.2772
C32.44161.49941.51302.51402.80111.19202.19422.11663.49863.87002.1166
C42.91072.56621.51301.50022.46582.38083.52321.08752.22053.45631.0875
C52.41932.77842.51401.50021.32103.63643.85642.14511.07502.09592.1451
C61.41352.30782.80112.46581.32103.99083.29883.18732.07941.07263.1873
O73.48912.33931.19202.38083.63643.99082.56952.67554.55215.05722.6755
H82.02191.07802.19423.52323.85643.29882.56954.15494.92924.10794.1549
H93.67033.27722.11661.08752.14513.18732.67554.15492.58394.10661.7345
H103.38563.85133.49862.22051.07502.07944.55214.92922.58392.42642.5839
H112.08983.22153.87003.45632.09591.07265.05724.10794.10662.42644.1066
H123.67033.27722.11661.08752.14513.18732.67554.15491.73452.58394.1066

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 124.473 N1 C2 H8 119.786
N1 C6 C5 124.403 N1 C6 H11 113.702
C2 N1 C6 119.478 C2 C3 C4 116.828
C2 C3 O7 120.293 C3 C2 H8 115.741
C3 C4 C5 113.089 C3 C4 H9 107.839
C3 C4 H12 107.839 C4 C3 O7 122.879
C4 C5 C6 121.729 C4 C5 H10 118.204
C5 C4 H9 110.982 C5 C4 H12 110.982
C5 C6 H11 121.894 C6 C5 H10 120.067
H9 C4 H12 105.772
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.459      
2 C 0.011      
3 C 0.483      
4 C -0.429      
5 C -0.204      
6 C 0.012      
7 O -0.523      
8 H 0.230      
9 H 0.228      
10 H 0.212      
11 H 0.212      
12 H 0.228      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.133 -1.894 0.000 2.853
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.606 3.309 -0.001
y 3.309 -47.086 0.014
z -0.001 0.014 -40.226
Traceless
 xyz
x 5.050 3.309 -0.001
y 3.309 -7.670 0.014
z -0.001 0.014 2.620
Polar
3z2-r25.239
x2-y28.480
xy3.309
xz-0.001
yz0.014


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.032 0.387 0.000
y 0.387 10.181 0.001
z 0.000 0.001 4.134


<r2> (average value of r2) Å2
<r2> 177.158
(<r2>)1/2 13.310