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

using model chemistry: MP2/TZVP

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/TZVP
 hartrees
Energy at 0K-322.712953
Energy at 298.15K 
HF Energy-321.667473
Nuclear repulsion energy275.278402
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/TZVP
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' 3618 3430 71.19      
2 A' 3280 3109 2.21      
3 A' 3261 3092 1.71      
4 A' 3253 3084 1.67      
5 A' 3225 3057 8.55      
6 A' 1767 1675 539.92      
7 A' 1668 1581 63.16      
8 A' 1595 1511 27.43      
9 A' 1505 1427 3.43      
10 A' 1464 1388 3.67      
11 A' 1404 1331 0.72      
12 A' 1273 1206 23.91      
13 A' 1239 1175 9.47      
14 A' 1177 1116 19.02      
15 A' 1115 1057 19.11      
16 A' 1031 977 2.08      
17 A' 996 944 18.63      
18 A' 827 784 9.99      
19 A' 615 583 0.56      
20 A' 546 518 5.23      
21 A' 456 432 6.02      
22 A" 798 756 2.00      
23 A" 770 730 15.89      
24 A" 705 669 0.01      
25 A" 685 650 101.88      
26 A" 600 568 13.53      
27 A" 497 471 33.50      
28 A" 264 250 10.91      
29 A" 81 76 1.80      
30 A" 649i 615i 2.39      

Unscaled Zero Point Vibrational Energy (zpe) 19533.3 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 18515.7 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/TZVP
ABC
0.18989 0.09279 0.06233

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.134 0.248 0.000
C2 0.000 1.069 0.000
C3 1.243 0.306 0.000
C4 1.256 -1.055 0.000
C5 0.040 -1.806 0.000
C6 -1.131 -1.120 0.000
O7 -0.099 2.290 0.000
H8 2.154 0.889 0.000
H9 2.201 -1.587 0.000
H10 0.047 -2.885 0.000
H11 -2.104 -1.595 0.000
H12 -2.014 0.748 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.40022.37822.72242.36601.36852.28963.34993.80653.34812.08271.0115
C21.40021.45842.46732.87502.46431.22502.16103.44903.95393.39462.0391
C32.37821.45841.36102.43052.77002.39491.08122.12143.40783.84923.2866
C42.72242.46731.36101.42902.38823.60862.14141.08422.19343.40293.7338
C52.36602.87502.43051.42901.35734.09813.42492.17161.07902.15423.2773
C61.36852.46432.77002.38821.35733.56333.85093.36452.12151.08222.0664
O72.28961.22502.39493.60864.09813.56332.65214.50735.17674.37212.4586
H83.34992.16101.08122.14143.42493.85092.65212.47664.32234.92934.1696
H93.80653.44902.12141.08422.17163.36454.50732.47662.51484.30444.8180
H103.34813.95393.40782.19341.07902.12155.17674.32232.51482.50734.1765
H112.08273.39463.84923.40292.15421.08224.37214.92934.30442.50732.3452
H121.01152.03913.28663.73383.27732.06642.45864.16964.81804.17652.3452

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 112.577 N1 C2 O7 121.273
N1 C6 C5 120.459 N1 C6 H11 115.904
C2 N1 C6 125.761 C2 N1 H12 114.486
C2 C3 C4 122.076 C2 C3 H8 115.824
C3 C2 O7 126.150 C3 C4 C5 121.162
C3 C4 H9 119.926 C4 C3 H8 122.100
C4 C5 C6 117.965 C4 C5 H10 121.359
C5 C4 H9 118.913 C5 C6 H11 123.637
C6 N1 H12 119.754 C6 C5 H10 120.676
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability