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All results from a given calculation for C5H5NO (2(3H)-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-322.613374
Energy at 298.15K-322.619721
HF Energy-321.596461
Nuclear repulsion energy273.663670
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 3238 3077 11.28      
2 A 3210 3050 3.41      
3 A 3159 3002 0.17      
4 A 3157 3000 33.66      
5 A 3044 2892 1.28      
6 A 1797 1708 190.63      
7 A 1684 1600 23.72      
8 A 1606 1526 48.24      
9 A 1469 1396 22.67      
10 A 1432 1361 27.80      
11 A 1408 1338 8.67      
12 A 1336 1270 8.55      
13 A 1245 1183 39.04      
14 A 1185 1126 0.97      
15 A 1150 1093 32.79      
16 A 1012 962 1.57      
17 A 1003 953 10.13      
18 A 984 935 25.08      
19 A 966 918 1.43      
20 A 943 896 6.49      
21 A 926 880 3.08      
22 A 779 740 5.44      
23 A 709 673 71.05      
24 A 645 613 0.50      
25 A 571 542 0.69      
26 A 533 507 0.97      
27 A 464 441 2.04      
28 A 412 392 2.55      
29 A 272 259 1.84      
30 A 98 93 1.95      

Unscaled Zero Point Vibrational Energy (zpe) 20217.8 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 19213.0 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
0.16855 0.09708 0.06610

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.373 -1.284 0.165
C2 1.042 -0.036 0.004
C3 0.254 1.252 0.217
C4 -1.208 1.134 -0.074
C5 -1.762 -0.090 -0.167
C6 -0.917 -1.269 0.050
O7 2.231 -0.015 -0.230
H8 0.731 2.030 -0.387
H9 -1.805 2.039 -0.164
H10 -2.823 -0.231 -0.346
H11 -1.414 -2.238 0.140
H12 0.397 1.563 1.263

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.42452.53952.89872.46871.29482.28413.37843.98693.40412.02603.0510
C21.42451.52562.53762.80982.31461.21222.12593.52733.88623.30102.1350
C32.53951.52561.49542.45212.78492.39101.09392.23653.46223.86901.1011
C42.89872.53761.49541.34642.42383.62982.15911.08812.13203.38462.1330
C52.46872.80982.45211.34641.46723.99453.27982.12971.08562.19743.0722
C61.29482.31462.78492.42381.46723.39973.71333.43242.20701.09263.3492
O72.28411.21222.39103.62983.99453.39972.54154.52955.06064.28522.8432
H83.37842.12591.09392.15913.27983.71332.54152.54564.21264.80531.7476
H93.98693.52732.23651.08812.12973.43244.52952.54562.49514.30572.6670
H103.40413.88623.46222.13201.08562.20705.06064.21262.49512.49994.0224
H112.02603.30103.86903.38462.19741.09264.28524.80534.30572.49994.3573
H123.05102.13501.10112.13303.07223.34922.84321.74762.66704.02244.3573

picture of 2(3H)-Pyridinone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 118.776 N1 C2 O7 119.844
N1 C6 C5 126.600 N1 C6 H11 115.859
C2 N1 C6 116.598 C2 C3 C4 114.273
C2 C3 H8 107.348 C2 C3 H12 107.643
C3 C2 O7 121.273 C3 C4 C5 119.187
C3 C4 H9 119.084 C4 C3 H8 112.058
C4 C3 H12 109.530 C4 C5 C6 118.900
C4 C5 H10 122.119 C5 C4 H9 121.680
C5 C6 H11 117.534 C6 C5 H10 118.905
H8 C3 H12 105.535
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability