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

using model chemistry: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-323.247155
Energy at 298.15K-323.253526
Nuclear repulsion energy270.835215
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 B1B95/6-31G
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' 3251 3100 6.96      
2 A' 3224 3075 11.77      
3 A' 3198 3050 27.14      
4 A' 3067 2925 1.67      
5 A' 1729 1649 51.04      
6 A' 1698 1619 128.74      
7 A' 1649 1572 10.71      
8 A' 1452 1385 25.82      
9 A' 1448 1381 11.47      
10 A' 1414 1349 4.93      
11 A' 1344 1282 6.24      
12 A' 1298 1238 18.25      
13 A' 1181 1126 13.17      
14 A' 1031 983 20.02      
15 A' 994 948 2.46      
16 A' 947 903 12.62      
17 A' 776 740 8.91      
18 A' 567 540 6.51      
19 A' 519 495 11.48      
20 A' 443 423 16.73      
21 A" 3102 2959 0.07      
22 A" 1253 1195 4.03      
23 A" 1061 1012 0.36      
24 A" 1019 972 1.30      
25 A" 951 907 2.79      
26 A" 805 768 45.54      
27 A" 554 528 1.33      
28 A" 480 458 2.69      
29 A" 275 263 4.46      
30 A" 82 78 15.72      

Unscaled Zero Point Vibrational Energy (zpe) 20405.4 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 19460.6 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 B1B95/6-31G
ABC
0.17754 0.09126 0.06094

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.155 -1.239 0.000
C2 -1.263 0.217 0.000
C3 0.000 1.052 0.000
C4 1.271 0.328 0.000
C5 1.274 -1.022 0.000
C6 0.020 -1.772 0.000
O7 -0.054 2.296 0.000
H8 -1.871 0.502 0.868
H9 2.178 0.920 0.000
H10 2.202 -1.582 0.000
H11 0.070 -2.857 0.000
H12 -1.871 0.502 -0.868

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.46042.56582.88732.43801.28963.70232.07333.97083.37452.02852.0733
C21.46041.51412.53612.82342.36692.40471.09743.51223.90493.35031.0974
C32.56581.51411.46262.43422.82411.24482.13502.18213.43393.90952.1350
C42.88732.53611.46261.34982.44392.37233.26441.08362.12533.40333.2644
C52.43802.82342.43421.34981.46103.57383.60122.14221.08452.19453.6012
C61.28962.36692.82412.44391.46104.06833.08233.45012.19081.08593.0823
O73.70232.40471.24482.37233.57384.06832.69712.62224.48695.15392.6971
H82.07331.09742.13503.26443.60123.08232.69714.16254.65773.97501.7356
H93.97083.51222.18211.08362.14223.45012.62224.16252.50234.32524.1625
H103.37453.90493.43392.12531.08452.19084.48694.65772.50232.48454.6577
H112.02853.35033.90953.40332.19451.08595.15393.97504.32522.48453.9750
H122.07331.09742.13503.26443.60123.08232.69711.73564.16254.65773.9750

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 119.204 N1 C2 H8 107.454
N1 C2 H12 107.454 N1 C6 C5 124.725
N1 C6 H11 117.024 C2 N1 C6 118.663
C2 C3 C4 116.842 C2 C3 O7 120.979
C3 C2 H8 108.626 C3 C2 H12 108.626
C3 C4 C5 119.827 C3 C4 H9 117.186
C4 C3 O7 122.179 C4 C5 C6 120.739
C4 C5 H10 121.241 C5 C4 H9 122.986
C5 C6 H11 118.250 C6 C5 H10 118.020
H8 C2 H12 104.518
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.325      
2 C -0.300      
3 C 0.293      
4 C -0.123      
5 C -0.147      
6 C -0.002      
7 O -0.434      
8 H 0.240      
9 H 0.193      
10 H 0.182      
11 H 0.182      
12 H 0.240      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.801 -2.407 0.000 3.006
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.215 -4.813 0.000
y -4.813 -47.879 0.000
z 0.000 0.000 -39.870
Traceless
 xyz
x 6.659 -4.813 0.000
y -4.813 -9.337 0.000
z 0.000 0.000 2.678
Polar
3z2-r25.355
x2-y210.664
xy-4.813
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.023 -0.571 0.000
y -0.571 11.355 0.000
z 0.000 0.000 3.905


<r2> (average value of r2) Å2
<r2> 180.082
(<r2>)1/2 13.419