return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: TPSSh/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 TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-323.514968
Energy at 298.15K-323.521138
HF Energy-323.514968
Nuclear repulsion energy271.221691
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 TPSSh/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 3195 3083 8.86      
2 A 3165 3054 14.80      
3 A 3114 3005 35.24      
4 A 3053 2946 1.69      
5 A 3027 2921 4.41      
6 A 1749 1688 186.04      
7 A 1694 1635 13.61      
8 A 1620 1563 11.89      
9 A 1423 1374 18.32      
10 A 1413 1363 3.98      
11 A 1389 1340 7.25      
12 A 1316 1270 9.92      
13 A 1244 1201 14.98      
14 A 1229 1186 4.31      
15 A 1146 1106 11.05      
16 A 1034 998 0.09      
17 A 1014 979 23.96      
18 A 1002 967 0.79      
19 A 974 940 6.22      
20 A 928 895 9.05      
21 A 922 889 1.41      
22 A 789 762 27.75      
23 A 752 726 10.64      
24 A 548 528 6.11      
25 A 536 517 0.13      
26 A 505 487 8.93      
27 A 456 440 2.66      
28 A 429 414 15.24      
29 A 254 246 2.26      
30 A 48 46 10.88      

Unscaled Zero Point Vibrational Energy (zpe) 19983.2 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 19283.8 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 TPSSh/6-31G(2df,p)
ABC
0.17671 0.09178 0.06107

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.211 -1.198 -0.000
C2 0.242 -1.253 0.000
C3 1.064 0.036 0.000
C4 0.295 1.290 0.000
C5 -1.051 1.243 -0.000
C6 -1.759 -0.041 0.000
O7 2.284 0.011 -0.000
H8 0.550 -1.853 -0.867
H9 0.857 2.219 -0.000
H10 -1.648 2.152 -0.000
H11 -2.850 -0.011 -0.000
H12 0.550 -1.853 0.867

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.45392.58762.90842.44601.28003.69812.06933.99403.37812.02372.0693
C21.45391.52882.54402.81152.33972.40191.09843.52653.89463.33231.0984
C32.58761.52881.47102.43542.82401.22052.14072.19303.43993.91412.1407
C42.90842.54401.47101.34762.44832.36433.27031.08562.12613.40403.2703
C52.44602.81152.43541.34761.46643.55563.59172.14371.08732.19263.5918
C61.28002.33972.82402.44831.46644.04363.06053.45752.19591.09123.0605
O73.69812.40191.22052.36433.55564.04362.68942.62874.47715.13412.6895
H82.06931.09842.14073.27033.59173.06052.68944.17444.64993.96291.7347
H93.99403.52652.19301.08562.14373.45752.62874.17442.50634.32634.1745
H103.37813.89463.43992.12611.08732.19594.47714.64992.50632.47434.6499
H112.02373.33233.91413.40402.19261.09125.13413.96294.32632.47433.9630
H122.06931.09842.14073.27033.59183.06052.68951.73474.17454.64993.9630

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 120.329 N1 C2 H8 107.525
N1 C2 H12 107.525 N1 C6 C5 125.770
N1 C6 H11 116.952 C2 N1 C6 117.554
C2 C3 C4 115.994 C2 C3 O7 121.365
C3 C2 H8 108.023 C3 C2 H12 108.022
C3 C4 C5 119.484 C3 C4 H9 117.349
C4 C3 O7 122.641 C4 C5 C6 120.868
C4 C5 H10 121.288 C5 C4 H9 123.167
C5 C6 H11 117.277 C6 C5 H10 117.844
H8 C2 H12 104.302
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability