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All results from a given calculation for C5H5NO (3(6H)-Pyridinone)

using model chemistry: B1B95/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/3-21G*
 hartrees
Energy at 0K-321.549156
Energy at 298.15K-321.555630
Nuclear repulsion energy270.655657
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 B1B95/3-21G*
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' 3240 3094 3.54      
2 A' 3191 3047 6.21      
3 A' 3164 3022 22.58      
4 A' 3047 2910 1.34      
5 A' 1746 1667 118.53      
6 A' 1696 1620 12.06      
7 A' 1681 1605 21.95      
8 A' 1475 1409 28.39      
9 A' 1433 1368 7.70      
10 A' 1363 1302 1.62      
11 A' 1352 1291 1.28      
12 A' 1276 1218 14.61      
13 A' 1189 1135 7.43      
14 A' 1017 971 1.65      
15 A' 969 925 16.17      
16 A' 861 822 7.83      
17 A' 757 723 5.51      
18 A' 580 553 5.56      
19 A' 524 500 8.74      
20 A' 428 409 16.71      
21 A" 3068 2930 1.32      
22 A" 1276 1219 0.03      
23 A" 1076 1027 2.11      
24 A" 1045 998 28.52      
25 A" 961 917 1.48      
26 A" 845 807 27.03      
27 A" 609 582 22.12      
28 A" 397 379 13.24      
29 A" 341 326 7.11      
30 A" 130 124 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20367.9 cm-1
Scaled (by 0.9549) Zero Point Vibrational Energy (zpe) 19449.3 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 B1B95/3-21G*
ABC
0.17789 0.09084 0.06080

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.286 -1.029 0.000
C2 -1.231 0.249 0.000
C3 0.000 1.091 0.000
C4 1.255 0.336 0.000
C5 1.248 -1.001 0.000
C6 -0.023 -1.786 0.000
O7 -0.071 2.327 0.000
H8 -2.159 0.817 0.000
H9 2.176 0.905 0.000
H10 2.175 -1.567 0.000
H11 -0.058 -2.452 0.873
H12 -0.058 -2.452 -0.873

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.27942.47952.88462.53411.47253.56942.04203.96533.50242.07312.0731
C21.27941.49132.48792.77672.36702.37991.08773.46943.86003.07213.0721
C32.47951.49131.46492.43642.87741.23832.17592.18393.43463.64963.6496
C42.88462.48791.46491.33732.47762.39263.44771.08212.11373.20293.2029
C52.53412.77672.43641.33731.49403.58053.86172.12001.08592.13802.1380
C61.47252.36702.87742.47761.49404.11393.36733.47532.20891.09871.0987
O73.56942.37991.23832.39263.58054.11392.57662.65944.49574.85854.8585
H82.04201.08772.17593.44773.86173.36732.57664.33554.94623.98333.9833
H93.96533.46942.18391.08212.12003.47532.65944.33552.47204.12524.1252
H103.50243.86003.43462.11371.08592.20894.49574.94622.47202.55502.5550
H112.07313.07213.64963.20292.13801.09874.85853.98334.12522.55501.7467
H122.07313.07213.64963.20292.13801.09874.85853.98334.12522.55501.7467

picture of 3(6H)-Pyridinone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 126.822 N1 C2 H8 119.017
N1 C6 C5 117.353 N1 C6 H11 106.560
N1 C6 H12 106.560 C2 N1 C6 118.494
C2 C3 C4 114.610 C2 C3 O7 121.079
C3 N1 H8 56.541 C3 C4 C5 120.716
C3 C4 H9 117.264 C4 C3 O7 124.311
C4 C5 C6 122.005 C4 C5 H10 121.096
C5 C4 H9 122.021 C5 C6 H11 110.167
C5 C6 H12 110.167 C6 C5 H10 116.898
H11 C6 H12 105.296
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.453      
2 C 0.052      
3 C 0.340      
4 C -0.209      
5 C -0.211      
6 C -0.332      
7 O -0.473      
8 H 0.256      
9 H 0.243      
10 H 0.234      
11 H 0.276      
12 H 0.276      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.028 -3.015 0.000 3.634
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.067 -3.770 0.000
y -3.770 -43.572 0.000
z 0.000 0.000 -40.472
Traceless
 xyz
x 2.955 -3.770 0.000
y -3.770 -3.802 0.000
z 0.000 0.000 0.847
Polar
3z2-r21.695
x2-y24.505
xy-3.770
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.505 -0.752 0.000
y -0.752 11.975 0.000
z 0.000 0.000 3.498


<r2> (average value of r2) Å2
<r2> 180.865
(<r2>)1/2 13.449