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All results from a given calculation for C5H5NO (2(5H)-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-322.613223
Energy at 298.15K-322.619387
HF Energy-321.599960
Nuclear repulsion energy271.716434
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' 3236 3076 4.82      
2 A' 3201 3042 7.06      
3 A' 3137 2982 35.11      
4 A' 3054 2902 3.49      
5 A' 1765 1677 175.31      
6 A' 1697 1613 21.18      
7 A' 1657 1575 46.78      
8 A' 1468 1395 21.30      
9 A' 1434 1362 18.39      
10 A' 1423 1352 46.15      
11 A' 1389 1320 7.50      
12 A' 1248 1186 52.12      
13 A' 1156 1099 31.68      
14 A' 1017 966 3.76      
15 A' 956 909 16.72      
16 A' 905 860 5.41      
17 A' 778 740 9.63      
18 A' 589 560 0.13      
19 A' 541 514 1.52      
20 A' 467 444 3.25      
21 A" 3087 2933 2.95      
22 A" 1222 1161 0.02      
23 A" 1019 968 11.99      
24 A" 967 919 0.73      
25 A" 860 817 18.15      
26 A" 792 753 27.36      
27 A" 593 564 8.09      
28 A" 362 344 1.28      
29 A" 268 255 2.68      
30 A" 27 26 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 20157.4 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 19155.6 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
0.17863 0.09264 0.06168

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 -1.265 0.405 0.000
C2 0.000 1.085 0.000
C3 1.248 0.286 0.000
C4 1.229 -1.058 0.000
C5 -0.068 -1.795 0.000
C6 -1.260 -0.879 0.000
O7 0.019 2.300 0.000
H8 2.173 0.855 0.000
H9 2.153 -1.632 0.000
H10 -0.138 -2.464 0.870
H11 -2.240 -1.366 0.000
H12 -0.138 -2.464 -0.870

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.43592.51572.89142.50491.28472.28903.46723.97953.20312.02183.2031
C21.43591.48152.47032.88082.33351.21562.18503.46693.65663.32023.6566
C32.51571.48151.34472.46252.76532.35941.08602.12153.20053.85943.2005
C42.89142.47031.34471.49132.49483.56982.13391.08832.14513.48222.1451
C52.50492.88082.46251.49131.50294.09633.47072.22721.09982.21401.0998
C61.28472.33352.76532.49481.50293.42723.84603.49512.12741.09432.1274
O72.28901.21562.35943.56984.09633.42722.59384.47454.84574.30624.8457
H83.46722.18501.08602.13393.47073.84602.59382.48764.13724.94034.1372
H93.97953.46692.12151.08832.22723.49514.47452.48762.58844.40132.5884
H103.20313.65663.20052.14511.09982.12744.84574.13722.58842.52601.7401
H112.02183.32023.85943.48222.21401.09434.30624.94034.40132.52602.5260
H123.20313.65663.20052.14511.09982.12744.84574.13722.58841.74012.5260

picture of 2(5H)-Pyridinone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 119.140 N1 C2 O7 119.135
N1 C6 C5 127.770 N1 C6 H11 116.161
C2 N1 C6 118.012 C2 C3 C4 121.794
C2 C3 H8 115.791 C3 C2 O7 121.725
C3 C4 C5 120.430 C3 C4 H9 121.009
C4 C3 H8 122.416 C4 C5 C6 112.854
C4 C5 H10 110.857 C4 C5 H12 110.857
C5 C4 H9 118.561 C5 C6 H11 116.068
C6 C5 H10 108.662 C6 C5 H12 108.662
H10 C5 H12 104.587
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability