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All results from a given calculation for C5H5NO (3(2H)-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-323.261845
Energy at 298.15K-323.255032
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' 3214 3086 7.34      
2 A' 3186 3059 13.98      
3 A' 3137 3013 37.30      
4 A' 3040 2919 4.13      
5 A' 1778 1707 191.44      
6 A' 1720 1652 17.84      
7 A' 1643 1578 13.11      
8 A' 1442 1385 19.30      
9 A' 1435 1378 5.91      
10 A' 1406 1350 5.09      
11 A' 1344 1290 10.27      
12 A' 1262 1212 17.95      
13 A' 1161 1115 12.45      
14 A' 1023 983 24.95      
15 A' 981 942 6.86      
16 A' 937 900 8.70      
17 A' 759 729 10.86      
18 A' 559 537 6.28      
19 A' 517 497 9.55      
20 A' 444 426 15.61      
21 A" 3064 2942 1.94      
22 A" 1250 1200 3.64      
23 A" 1030 989 0.08      
24 A" 1005 965 1.51      
25 A" 932 895 1.62      
26 A" 789 758 31.29      
27 A" 543 521 0.10      
28 A" 468 449 3.30      
29 A" 263 253 2.51      
30 A" 69 66 12.09      

Unscaled Zero Point Vibrational Energy (zpe) 20199.1 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 19397.2 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
0.17626 0.09171 0.06099

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 -1.207 -1.200 -0.000
C2 0.247 -1.256 0.000
C3 1.063 0.038 -0.000
C4 0.291 1.292 0.000
C5 -1.056 1.242 0.000
C6 -1.762 -0.046 -0.000
O7 2.285 0.016 0.000
H8 0.558 -1.855 -0.868
H9 0.852 2.223 0.000
H10 -1.655 2.150 0.000
H11 -2.854 -0.019 -0.000
H12 0.558 -1.855 0.868

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.45472.58532.90772.44671.28043.69782.07303.99433.38002.02622.0730
C21.45471.52972.54892.81782.34502.40301.09963.53163.90163.33811.0996
C32.58531.52971.47332.43792.82611.22232.14252.19603.44323.91742.1425
C42.90772.54891.47331.34842.45062.36753.27571.08662.12743.40763.2757
C52.44672.81782.43791.34841.46873.55943.59892.14531.08802.19623.5989
C61.28042.34502.82612.45061.46874.04763.06713.46112.19881.09233.0671
O73.69782.40301.22232.36753.55944.04762.69052.63194.48165.13922.6905
H82.07301.09962.14253.27573.59893.06712.69054.18004.65783.97021.7365
H93.99433.53162.19601.08662.14533.46112.63194.18002.50824.33134.1799
H103.38003.90163.44322.12741.08802.19884.48164.65782.50822.47874.6578
H112.02623.33813.91743.40762.19621.09235.13923.97024.33132.47873.9702
H122.07301.09962.14253.27573.59893.06712.69051.73654.17994.65783.9702

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 120.030 N1 C2 H8 107.691
N1 C2 H12 107.691 N1 C6 C5 125.605
N1 C6 H11 117.073 C2 N1 C6 117.912
C2 C3 C4 116.145 C2 C3 O7 121.262
C3 C2 H8 108.026 C3 C2 H12 108.026
C3 C4 C5 119.472 C3 C4 H9 117.353
C4 C3 O7 122.593 C4 C5 C6 120.836
C4 C5 H10 121.299 C5 C4 H9 123.175
C5 C6 H11 117.322 C6 C5 H10 117.865
H8 C2 H12 104.296
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 -0.358      
2 C -0.255      
3 C 0.421      
4 C -0.140      
5 C -0.132      
6 C 0.056      
7 O -0.472      
8 H 0.204      
9 H 0.163      
10 H 0.156      
11 H 0.152      
12 H 0.204      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.304 1.631 0.000 2.823
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> 179.640
(<r2>)1/2 13.403