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

using model chemistry: HF/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 HF/Def2TZVPP
 hartrees
Energy at 0K-321.695333
Energy at 298.15K-321.702396
HF Energy-321.695333
Nuclear repulsion energy278.321340
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 HF/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' 3853 3492 83.48      
2 A' 3382 3066 5.71      
3 A' 3371 3055 3.34      
4 A' 3358 3044 1.45      
5 A' 3326 3015 11.89      
6 A' 1911 1732 907.75      
7 A' 1822 1651 56.61      
8 A' 1727 1565 82.88      
9 A' 1612 1461 6.93      
10 A' 1573 1426 17.94      
11 A' 1509 1368 4.33      
12 A' 1351 1224 11.89      
13 A' 1318 1195 33.33      
14 A' 1257 1140 26.22      
15 A' 1191 1079 21.90      
16 A' 1078 977 18.39      
17 A' 1060 961 4.99      
18 A' 875 793 13.74      
19 A' 661 599 0.13      
20 A' 589 534 11.68      
21 A' 498 452 8.20      
22 A" 1130 1025 0.20      
23 A" 1083 982 0.00      
24 A" 949 860 35.95      
25 A" 856 776 71.20      
26 A" 811 735 13.34      
27 A" 727 659 46.73      
28 A" 535 485 47.30      
29 A" 414 375 1.84      
30 A" 187 170 2.61      

Unscaled Zero Point Vibrational Energy (zpe) 22006.5 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 19946.7 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 HF/Def2TZVPP
ABC
0.19156 0.09567 0.06380

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.123 0.245 0.000
C2 0.000 1.045 0.000
C3 1.244 0.317 0.000
C4 1.251 -1.023 0.000
C5 0.043 -1.779 0.000
C6 -1.110 -1.104 0.000
O7 -0.130 2.236 0.000
H8 2.146 0.893 0.000
H9 2.191 -1.539 0.000
H10 0.047 -2.848 0.000
H11 -2.068 -1.581 0.000
H12 -1.984 0.737 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.37852.36812.69102.33661.34972.22503.33243.76343.30732.05610.9923
C21.37851.44162.41662.82482.41921.19862.15153.38763.89363.34232.0082
C32.36811.44161.33972.41582.75022.36091.07012.08313.38413.81723.2560
C42.69102.41661.33971.42472.36233.53972.11461.07252.18683.36523.6830
C52.33662.82482.41581.42471.33674.01973.40032.16091.06892.12073.2322
C61.34972.41922.75022.36231.33673.48183.82003.32962.09281.06962.0388
O72.22501.19862.36093.53974.01973.48182.64314.43165.08794.28102.3846
H83.33242.15151.07012.11463.40033.82002.64312.43204.29004.88644.1335
H93.76343.38762.08311.07252.16093.32964.43162.43202.51254.25914.7555
H103.30733.89363.38412.18681.06892.09285.08794.29002.51252.46554.1211
H112.05613.34233.81723.36522.12071.06964.28104.88644.25912.46552.3197
H120.99232.00823.25603.68303.23222.03882.38464.13354.75554.12112.3197

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 114.199 N1 C2 O7 119.235
N1 C6 C5 120.866 N1 C6 H11 115.910
C2 N1 C6 124.929 C2 N1 H12 114.803
C2 C3 C4 120.615 C2 C3 H8 117.094
C3 C2 O7 126.566 C3 C4 C5 121.801
C3 C4 H9 119.030 C4 C3 H8 122.291
C4 C5 C6 117.590 C4 C5 H10 121.902
C5 C4 H9 119.169 C5 C6 H11 123.225
C6 N1 H12 120.269 C6 C5 H10 120.508
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.253      
2 C 0.422      
3 C -0.178      
4 C -0.035      
5 C -0.155      
6 C 0.106      
7 O -0.504      
8 H 0.104      
9 H 0.098      
10 H 0.097      
11 H 0.098      
12 H 0.201      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.194 -4.382 0.000 4.542
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.140 -0.188 0.000
y -0.188 -48.106 0.000
z 0.000 0.000 -43.338
Traceless
 xyz
x 14.583 -0.188 0.000
y -0.188 -10.867 0.000
z 0.000 0.000 -3.715
Polar
3z2-r2-7.430
x2-y216.967
xy-0.188
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.962 -0.057 0.000
y -0.057 12.085 0.000
z 0.000 0.000 5.522


<r2> (average value of r2) Å2
<r2> 173.655
(<r2>)1/2 13.178