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

using model chemistry: MP2/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-322.902825
Energy at 298.15K-322.909494
HF Energy-321.691343
Nuclear repulsion energy275.639036
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/Def2TZVPP
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' 3616 3441 76.65      
2 A' 3275 3116 1.21      
3 A' 3254 3096 0.80      
4 A' 3246 3088 1.18      
5 A' 3216 3060 7.07      
6 A' 1764 1679 531.03      
7 A' 1664 1583 62.48      
8 A' 1591 1514 26.42      
9 A' 1501 1429 3.24      
10 A' 1458 1387 2.68      
11 A' 1398 1331 1.14      
12 A' 1276 1214 21.84      
13 A' 1229 1170 10.90      
14 A' 1170 1113 16.25      
15 A' 1111 1057 16.82      
16 A' 1032 982 2.17      
17 A' 998 949 18.38      
18 A' 829 789 8.70      
19 A' 611 581 0.48      
20 A' 542 516 5.52      
21 A' 450 428 6.42      
22 A" 986 938 0.15      
23 A" 925 880 0.04      
24 A" 854 813 11.61      
25 A" 769 732 74.09      
26 A" 738 703 5.74      
27 A" 703 669 34.54      
28 A" 492 468 34.49      
29 A" 388 369 1.30      
30 A" 170 162 2.84      

Unscaled Zero Point Vibrational Energy (zpe) 20628.4 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 19627.9 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/Def2TZVPP
ABC
0.19051 0.09300 0.06249

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.130 0.235 0.000
C2 0.000 1.064 0.000
C3 1.239 0.320 0.000
C4 1.260 -1.045 0.000
C5 0.059 -1.801 0.000
C6 -1.122 -1.124 0.000
O7 -0.130 2.284 0.000
H8 2.147 0.903 0.000
H9 2.211 -1.561 0.000
H10 0.066 -2.878 0.000
H11 -2.088 -1.607 0.000
H12 -2.007 0.737 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.40112.37022.71172.35811.35972.28023.34483.79343.33542.07631.0103
C21.40111.44472.45662.86502.45911.22752.15353.43173.94233.38982.0334
C32.37021.44471.36542.42672.76782.39371.07962.11743.40633.84433.2723
C42.71172.45661.36541.41882.38403.60782.14051.08182.18763.39503.7217
C52.35812.86502.42671.41881.36174.08943.41612.16521.07732.15613.2726
C61.35972.45912.76782.38401.36173.55033.84733.36212.11861.07942.0608
O72.28021.22752.39373.60784.08943.55032.66334.50145.16614.35612.4330
H83.34482.15351.07962.14053.41613.84732.66332.46444.31594.92314.1578
H93.79343.43172.11741.08182.16523.36214.50142.46442.51734.29944.8034
H103.33543.94233.40632.18761.07732.11865.16614.31592.51732.50134.1673
H112.07633.38983.84433.39502.15611.07944.35614.92314.29942.50132.3451
H121.01032.03343.27233.72173.27262.06082.43304.15784.80344.16732.3451

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 112.785 N1 C2 O7 120.182
N1 C6 C5 120.109 N1 C6 H11 116.228
C2 N1 C6 125.916 C2 N1 H12 113.996
C2 C3 C4 121.883 C2 C3 H8 116.356
C3 C2 O7 127.032 C3 C4 C5 121.274
C3 C4 H9 119.371 C4 C3 H8 121.761
C4 C5 C6 118.032 C4 C5 H10 121.821
C5 C4 H9 119.355 C5 C6 H11 123.664
C6 N1 H12 120.088 C6 C5 H10 120.147
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability