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

using model chemistry: BLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A
Energy calculated at BLYP/6-31G*
 hartrees
Energy at 0K-323.372416
Energy at 298.15K-323.378522
HF Energy-323.372416
Nuclear repulsion energy270.351379
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 BLYP/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 3125 3099 20.99      
2 A 3093 3068 9.58      
3 A 3031 3006 47.03      
4 A 3009 2985 2.75      
5 A 2913 2889 2.76      
6 A 1721 1707 182.27      
7 A 1643 1629 44.76      
8 A 1521 1509 112.43      
9 A 1407 1395 22.91      
10 A 1397 1386 13.40      
11 A 1374 1363 17.64      
12 A 1287 1277 1.84      
13 A 1171 1162 12.13      
14 A 1151 1142 5.12      
15 A 1092 1084 60.45      
16 A 981 973 0.51      
17 A 973 965 5.44      
18 A 955 947 3.71      
19 A 940 932 26.32      
20 A 928 920 0.84      
21 A 893 885 5.66      
22 A 730 724 4.38      
23 A 686 681 39.52      
24 A 589 584 1.45      
25 A 556 551 0.11      
26 A 513 509 1.29      
27 A 452 448 1.89      
28 A 420 417 4.31      
29 A 262 260 2.45      
30 A 74 73 2.47      

Unscaled Zero Point Vibrational Energy (zpe) 19443.0 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 19285.5 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 BLYP/6-31G*
ABC
0.17165 0.09296 0.06227

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.363 -1.292 0.088
C2 1.068 -0.046 0.015
C3 0.264 1.279 0.110
C4 -1.234 1.138 -0.025
C5 -1.799 -0.089 -0.087
C6 -0.934 -1.282 0.022
O7 2.281 -0.030 -0.118
H8 0.636 1.919 -0.727
H9 -1.837 2.050 -0.066
H10 -2.877 -0.237 -0.187
H11 -1.444 -2.258 0.067
H12 0.539 1.810 1.024

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.43322.57242.90902.48011.29892.30533.32344.00413.41772.04903.2449
C21.43321.55292.58892.86962.35331.22022.14443.58403.95473.34742.1785
C32.57241.55291.51052.48322.82872.41531.11712.24553.50013.92761.0928
C42.90902.58891.51051.35192.43843.70502.14451.09512.14843.40282.1668
C52.48012.86962.48321.35191.47744.08083.22012.13971.09232.20283.2107
C61.29892.35332.82872.43841.47743.45353.64283.45352.21501.10173.5691
O72.30531.22022.41533.70504.08083.45352.62224.61455.16244.34442.7797
H83.32342.14441.11712.14453.22013.64282.62222.56344.15664.73251.7573
H94.00413.58402.24551.09512.13973.45354.61452.56342.51564.32782.6255
H103.41773.95473.50012.14841.09232.21505.16244.15662.51562.48944.1624
H112.04903.34743.92763.40282.20281.10174.34444.73254.32782.48944.6258
H123.24492.17851.09282.16683.21073.56912.77971.75732.62554.16244.6258

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 118.905 N1 C2 O7 120.424
N1 C6 C5 126.459 N1 C6 H11 116.959
C2 N1 C6 118.853 C2 C3 C4 115.361
C2 C3 H8 105.700 C2 C3 H12 109.625
C3 C2 O7 120.671 C3 C4 C5 120.239
C3 C4 H9 118.166 C4 C3 H8 108.475
C4 C3 H12 111.676 C4 C5 C6 118.977
C4 C5 H10 122.687 C5 C4 H9 121.595
C5 C6 H11 116.574 C6 C5 H10 118.313
H8 C3 H12 105.344
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.366      
2 C 0.496      
3 C -0.375      
4 C -0.066      
5 C -0.081      
6 C 0.052      
7 O -0.406      
8 H 0.178      
9 H 0.133      
10 H 0.119      
11 H 0.132      
12 H 0.184      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -4.303 2.161 0.405 4.832
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.939 2.828 1.445
y 2.828 -37.792 0.716
z 1.445 0.716 -39.674
Traceless
 xyz
x -5.206 2.828 1.445
y 2.828 4.015 0.716
z 1.445 0.716 1.192
Polar
3z2-r22.383
x2-y2-6.147
xy2.828
xz1.445
yz0.716


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.325 0.466 0.166
y 0.466 9.902 -0.012
z 0.166 -0.012 4.463


<r2> (average value of r2) Å2
<r2> 178.983
(<r2>)1/2 13.378