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

using model chemistry: G3B3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A
Energy calculated at G3B3
 hartrees
Energy at 0K-323.267837
Energy at 298.15K-323.261047
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 15.47      
2 A 3184 3058 7.25      
3 A 3125 3001 40.62      
4 A 3093 2970 1.68      
5 A 3006 2887 1.87      
6 A 1812 1741 230.35      
7 A 1718 1650 52.45      
8 A 1613 1549 142.22      
9 A 1447 1389 12.80      
10 A 1443 1386 34.01      
11 A 1419 1363 13.78      
12 A 1343 1289 3.04      
13 A 1218 1170 24.38      
14 A 1190 1143 1.30      
15 A 1153 1108 57.81      
16 A 1020 980 0.73      
17 A 1006 966 4.42      
18 A 996 956 2.18      
19 A 975 936 32.71      
20 A 960 922 0.47      
21 A 931 894 4.93      
22 A 767 736 5.25      
23 A 718 690 42.92      
24 A 605 581 1.23      
25 A 575 552 0.24      
26 A 530 509 2.35      
27 A 470 451 2.35      
28 A 441 424 3.03      
29 A 271 260 2.54      
30 A 63 61 2.45      

Unscaled Zero Point Vibrational Energy (zpe) 20153.6 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 19353.5 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
0.17535 0.09422 0.06294

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.367 -1.281 0.149
C2 1.048 -0.043 0.015
C3 0.259 1.259 0.188
C4 -1.211 1.130 -0.065
C5 -1.768 -0.089 -0.148
C6 -0.921 -1.266 0.043
O7 2.240 -0.023 -0.209
H8 0.722 2.022 -0.448
H9 -1.807 2.037 -0.152
H10 -2.832 -0.232 -0.310
H11 -1.423 -2.235 0.115
H12 0.418 1.612 1.221

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.41962.54212.88952.46301.29222.28463.37483.97753.39712.02823.0859
C21.41961.53162.54662.82082.31821.21302.14063.53553.89793.30462.1427
C32.54211.53161.49722.45682.79072.39261.09602.23343.46763.87811.1035
C42.88952.54661.49721.34262.41643.64142.16251.08802.13163.37702.1311
C52.46302.82082.45681.34261.46314.00863.27722.12551.08582.19013.0899
C61.29222.31822.79072.41641.46313.40583.70793.42512.20101.09353.3866
O72.28461.21302.39263.64144.00863.40582.55774.54085.07684.29092.8354
H83.37482.14061.09602.16253.27723.70792.55772.54574.21024.79951.7455
H93.97753.53552.23341.08802.12553.42514.54082.54572.49494.29742.6488
H103.39713.89793.46762.13161.08582.20105.07684.21022.49492.48554.0387
H112.02823.30463.87813.37702.19011.09354.29094.79954.29742.48554.4064
H123.08592.14271.10352.13113.08993.38662.83541.74552.64884.03874.4064

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 118.893 N1 C2 O7 120.211
N1 C6 C5 126.634 N1 C6 H11 116.209
C2 N1 C6 117.419 C2 C3 C4 114.442
C2 C3 H8 107.952 C2 C3 H12 107.700
C3 C2 O7 120.883 C3 C4 C5 119.698
C3 C4 H9 118.661 C4 C3 H8 112.078
C4 C3 H12 109.122 C4 C5 C6 118.860
C4 C5 H10 122.402 C5 C4 H9 121.622
C5 C6 H11 117.153 C6 C5 H10 118.686
H8 C3 H12 105.045
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 -0.402      
2 C 0.538      
3 C -0.416      
4 C -0.085      
5 C -0.125      
6 C 0.056      
7 O -0.433      
8 H 0.199      
9 H 0.159      
10 H 0.148      
11 H 0.158      
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
  -4.548 2.212 0.368 5.071
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> 176.898
(<r2>)1/2 13.300