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

using model chemistry: MP2/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G*
 hartrees
Energy at 0K-322.486969
Energy at 298.15K-322.493075
HF Energy-321.522935
Nuclear repulsion energy270.661964
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 MP2/6-31G*
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 3254 3069 3.60      
2 A 3228 3044 8.32      
3 A 3193 3011 28.46      
4 A 3139 2960 0.53      
5 A 3095 2919 2.48      
6 A 1752 1652 92.16      
7 A 1691 1595 22.66      
8 A 1634 1541 13.86      
9 A 1474 1390 16.11      
10 A 1457 1374 14.43      
11 A 1422 1341 3.43      
12 A 1359 1281 10.37      
13 A 1298 1224 15.48      
14 A 1260 1188 3.56      
15 A 1182 1114 8.86      
16 A 1045 985 23.41      
17 A 1001 944 0.71      
18 A 989 933 2.61      
19 A 968 913 0.00      
20 A 953 899 8.43      
21 A 910 858 1.74      
22 A 779 734 41.50      
23 A 773 729 10.34      
24 A 560 528 4.93      
25 A 526 496 0.06      
26 A 518 489 7.53      
27 A 451 425 2.39      
28 A 442 417 17.96      
29 A 242 228 2.06      
30 A 21 20 11.82      

Unscaled Zero Point Vibrational Energy (zpe) 20307.0 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 19149.5 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 MP2/6-31G*
ABC
0.17579 0.09163 0.06090

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.203 -1.209 -0.000
C2 0.252 -1.255 0.000
C3 1.058 0.039 0.000
C4 0.289 1.294 0.000
C5 -1.062 1.243 -0.000
C6 -1.762 -0.047 0.000
O7 2.289 0.019 -0.000
H8 0.565 -1.846 -0.871
H9 0.847 2.227 -0.000
H10 -1.660 2.152 -0.000
H11 -2.854 -0.027 -0.000
H12 0.565 -1.846 0.871

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.45572.58292.91402.45531.28963.70142.07134.00133.39142.03022.0713
C21.45571.52492.54962.82202.34892.40231.09823.53273.90653.33971.0982
C32.58291.52491.47212.43792.82211.23082.13512.19813.44253.91272.1351
C42.91402.54961.47211.35192.45082.37233.27101.08732.12903.40923.2710
C52.45532.82202.43791.35191.46733.56753.59822.14831.08822.19603.5982
C61.28962.34892.82212.45081.46734.05193.06813.46152.20091.09153.0681
O73.70142.40231.23082.37233.56754.05192.68512.63754.48815.14292.6851
H82.07131.09822.13513.27103.59823.06812.68514.17544.65763.96931.7416
H94.00133.53272.19811.08732.14833.46152.63754.17542.50834.33364.1754
H103.39143.90653.44252.12901.08822.20094.48814.65762.50832.48454.6577
H112.03023.33973.91273.40922.19601.09155.14293.96934.33362.48453.9693
H122.07131.09822.13513.27103.59823.06812.68511.74164.17544.65773.9693

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 120.106 N1 C2 H8 107.564
N1 C2 H12 107.564 N1 C6 C5 125.778
N1 C6 H11 116.743 C2 N1 C6 117.525
C2 C3 C4 116.562 C2 C3 O7 120.958
C3 C2 H8 107.855 C3 C2 H12 107.854
C3 C4 C5 119.317 C3 C4 H9 117.582
C4 C3 O7 122.480 C4 C5 C6 120.711
C4 C5 H10 121.132 C5 C4 H9 123.101
C5 C6 H11 117.478 C6 C5 H10 118.157
H8 C2 H12 104.914
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability