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All results from a given calculation for C5H5NO (2(1H)-Pyridinone)

using model chemistry: MP2/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311G*
 hartrees
Energy at 0K-322.650554
Energy at 298.15K-322.657114
HF Energy-321.630213
Nuclear repulsion energy274.665160
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 MP2/6-311G*
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' 3635 3454 60.76      
2 A' 3264 3102 3.71      
3 A' 3246 3084 2.63      
4 A' 3236 3075 2.91      
5 A' 3208 3049 10.64      
6 A' 1800 1711 487.00      
7 A' 1674 1590 52.27      
8 A' 1600 1521 26.50      
9 A' 1517 1441 2.58      
10 A' 1474 1400 3.00      
11 A' 1406 1336 0.39      
12 A' 1282 1218 26.32      
13 A' 1241 1179 8.69      
14 A' 1179 1120 16.01      
15 A' 1116 1061 21.20      
16 A' 1032 981 1.97      
17 A' 1001 951 17.13      
18 A' 830 788 7.87      
19 A' 614 584 0.48      
20 A' 546 519 4.90      
21 A' 450 428 7.06      
22 A" 932 886 0.69      
23 A" 874 831 0.04      
24 A" 834 793 21.79      
25 A" 754 717 118.91      
26 A" 721 685 2.25      
27 A" 661 628 19.27      
28 A" 465 442 44.46      
29 A" 375 356 1.27      
30 A" 163 155 1.75      

Unscaled Zero Point Vibrational Energy (zpe) 20563.8 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 19541.7 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 MP2/6-311G*
ABC
0.18896 0.09238 0.06205

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.135 0.237 0.000
C2 0.000 1.072 0.000
C3 1.243 0.320 0.000
C4 1.265 -1.050 0.000
C5 0.057 -1.809 0.000
C6 -1.128 -1.127 0.000
O7 -0.126 2.291 0.000
H8 2.155 0.908 0.000
H9 2.220 -1.570 0.000
H10 0.066 -2.892 0.000
H11 -2.098 -1.614 0.000
H12 -2.013 0.741 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.40892.37982.72392.36831.36482.28823.35803.81163.35152.08671.0115
C21.40891.45282.47042.88102.47161.22592.16153.45143.96393.40812.0397
C32.37981.45281.37012.43652.77782.40041.08502.12813.42053.86063.2828
C42.72392.47041.37011.42622.39433.61952.15041.08782.19763.41043.7351
C52.36832.88102.43651.42621.36714.10403.43202.17601.08292.16453.2840
C61.36482.47162.77782.39431.36713.56233.86263.37752.13001.08552.0670
O72.28821.22592.40043.61954.10403.56232.66854.51895.18634.37462.4416
H83.35802.16151.08502.15043.43203.86262.66852.47894.33574.94464.1712
H93.81163.45142.12811.08782.17603.37754.51892.47892.52734.31894.8229
H103.35153.96393.42052.19761.08292.13005.18634.33572.52732.51324.1849
H112.08673.40813.86063.41042.16451.08554.37464.94464.31892.51322.3560
H121.01152.03973.28283.73513.28402.06702.44164.17124.82294.18492.3560

picture of 2(1H)-Pyridinone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 112.515 N1 C2 O7 120.395
N1 C6 C5 120.196 N1 C6 H11 116.309
C2 N1 C6 126.009 C2 N1 H12 113.843
C2 C3 C4 122.090 C2 C3 H8 116.042
C3 C2 O7 127.090 C3 C4 C5 121.211
C3 C4 H9 119.506 C4 C3 H8 121.868
C4 C5 C6 117.979 C4 C5 H10 121.690
C5 C4 H9 119.283 C5 C6 H11 123.494
C6 N1 H12 120.148 C6 C5 H10 120.332
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability