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

using model chemistry: LSDA/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at LSDA/6-31G(2df,p)
 hartrees
Energy at 0K-321.725237
Energy at 298.15K-321.731298
Nuclear repulsion energy273.109019
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 LSDA/6-31G(2df,p)
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 3132 3082 1.58      
2 A 3101 3052 7.00      
3 A 3050 3002 21.47      
4 A 2980 2932 0.74      
5 A 2943 2896 2.70      
6 A 1762 1734 175.11      
7 A 1686 1659 10.04      
8 A 1616 1590 10.17      
9 A 1382 1360 22.21      
10 A 1350 1329 0.43      
11 A 1292 1271 28.76      
12 A 1270 1249 15.08      
13 A 1217 1197 4.90      
14 A 1161 1143 3.99      
15 A 1107 1089 4.50      
16 A 1034 1018 31.13      
17 A 997 981 0.15      
18 A 976 960 1.17      
19 A 962 946 1.41      
20 A 928 913 13.44      
21 A 890 876 3.33      
22 A 769 757 10.66      
23 A 759 747 25.10      
24 A 546 537 5.65      
25 A 525 517 4.32      
26 A 495 487 6.58      
27 A 440 433 2.74      
28 A 426 419 14.52      
29 A 251 247 4.01      
30 A 37 36 12.52      

Unscaled Zero Point Vibrational Energy (zpe) 19540.8 cm-1
Scaled (by 0.984) Zero Point Vibrational Energy (zpe) 19228.1 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 LSDA/6-31G(2df,p)
ABC
0.18013 0.09301 0.06208

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.183 -1.196 -0.024
C2 0.241 -1.229 0.047
C3 1.054 0.041 0.003
C4 0.286 1.277 0.037
C5 -1.059 1.223 0.009
C6 -1.748 -0.049 -0.035
O7 2.270 0.020 -0.054
H8 0.624 -1.920 -0.730
H9 0.851 2.215 0.050
H10 -1.664 2.137 0.008
H11 -2.848 -0.032 -0.084
H12 0.514 -1.761 0.984

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.42622.55702.87702.42231.27883.66132.07143.97193.36782.03182.0537
C21.42621.50922.50642.77542.31432.38511.10863.49753.86803.31511.1113
C32.55701.50921.45532.42102.80421.21722.13732.18363.43253.90412.1216
C42.87702.50641.45531.34612.42902.35033.30451.09502.13163.39883.1902
C52.42232.77542.42101.34611.44723.54003.64072.15221.09642.18793.5113
C61.27882.31432.80422.42901.44724.01883.10053.44752.18801.10113.0149
O73.66132.38511.21722.35033.54004.01882.63202.61574.46795.11842.7077
H82.07141.10862.13733.30453.64073.10052.63204.21344.71584.00461.7254
H93.97193.49752.18361.09502.15223.44752.61574.21342.51634.33024.0978
H103.36783.86803.43252.13161.09642.18804.46794.71582.51632.47374.5710
H112.03183.31513.90413.39882.18791.10115.11844.00464.33022.47373.9287
H122.05371.11132.12163.19023.51133.01492.70771.72544.09784.57103.9287

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 121.143 N1 C2 H8 108.966
N1 C2 H12 107.410 N1 C6 C5 125.281
N1 C6 H11 117.048 C2 N1 C6 117.541
C2 C3 C4 115.430 C2 C3 O7 121.675
C3 C2 H8 108.491 C3 C2 H12 107.137
C3 C4 C5 119.533 C3 C4 H9 117.084
C4 C3 O7 122.895 C4 C5 C6 120.777
C4 C5 H10 121.202 C5 C4 H9 123.351
C5 C6 H11 117.671 C6 C5 H10 118.017
H8 C2 H12 102.012
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.121      
2 C -0.401      
3 C 0.315      
4 C -0.199      
5 C -0.089      
6 C -0.070      
7 O -0.289      
8 H 0.201      
9 H 0.154      
10 H 0.149      
11 H 0.144      
12 H 0.206      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.237 1.436 0.231 2.668
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.486 -4.252 0.346
y -4.252 -36.881 -0.231
z 0.346 -0.231 -39.331
Traceless
 xyz
x -7.380 -4.252 0.346
y -4.252 5.527 -0.231
z 0.346 -0.231 1.853
Polar
3z2-r23.705
x2-y2-8.604
xy-4.252
xz0.346
yz-0.231


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.734 -0.461 0.048
y -0.461 9.920 -0.011
z 0.048 -0.011 4.834


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000