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All results from a given calculation for C5H5NO (2(5H)-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-321.663306
Energy at 298.15K-321.670070
HF Energy-321.663306
Nuclear repulsion energy275.410574
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' 3358 3044 4.69      
2 A' 3318 3008 8.26      
3 A' 3255 2950 37.85      
4 A' 3153 2858 10.30      
5 A' 1983 1797 511.62      
6 A' 1887 1710 129.16      
7 A' 1829 1658 34.03      
8 A' 1565 1418 7.57      
9 A' 1540 1396 31.28      
10 A' 1535 1392 57.53      
11 A' 1501 1360 4.05      
12 A' 1340 1214 80.95      
13 A' 1239 1123 31.80      
14 A' 1068 968 1.67      
15 A' 1040 942 16.94      
16 A' 943 855 3.99      
17 A' 837 759 6.90      
18 A' 634 575 1.08      
19 A' 588 533 3.78      
20 A' 512 464 4.06      
21 A" 3172 2875 7.75      
22 A" 1326 1202 0.03      
23 A" 1159 1050 4.38      
24 A" 1113 1009 9.47      
25 A" 967 877 30.35      
26 A" 895 812 25.13      
27 A" 675 612 4.14      
28 A" 412 373 3.50      
29 A" 349 316 2.17      
30 A" 88 80 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 21640.4 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 19614.9 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 HF/Def2TZVPP
ABC
0.18120 0.09575 0.06336

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 -1.249 0.403 0.000
C2 0.000 1.062 0.000
C3 1.246 0.277 0.000
C4 1.218 -1.035 0.000
C5 -0.078 -1.764 0.000
C6 -1.257 -0.849 0.000
O7 0.027 2.246 0.000
H8 2.159 0.835 0.000
H9 2.127 -1.605 0.000
H10 -0.154 -2.421 0.863
H11 -2.227 -1.319 0.000
H12 -0.154 -2.421 -0.863

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.41232.49802.85512.46271.25152.24163.43543.92783.14931.98053.1493
C21.41231.47302.42522.82702.28721.18392.17113.41163.59193.26053.5919
C32.49801.47301.31182.43222.74422.31601.07072.07773.15933.82203.1593
C42.85512.42521.31181.48672.48183.49022.09401.07312.13253.45652.1325
C52.46272.82702.43221.48671.49244.01093.42942.21061.08772.19451.0877
C61.25152.28722.74422.48181.49243.35033.80873.46742.10581.07822.1058
O72.24161.18392.31603.49024.01093.35032.55644.38634.74944.21794.7494
H83.43542.17111.07072.09403.42943.80872.55642.44084.08654.88694.0865
H93.92783.41162.07771.07312.21063.46744.38632.44082.57154.36322.5715
H103.14933.59193.15932.13251.08772.10584.74944.08652.57152.50141.7269
H111.98053.26053.82203.45652.19451.07824.21794.88694.36322.50142.5014
H123.14933.59193.15932.13251.08772.10584.74944.08652.57151.72692.5014

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 119.929 N1 C2 O7 119.142
N1 C6 C5 127.449 N1 C6 H11 116.250
C2 N1 C6 118.204 C2 C3 C4 121.008
C2 C3 H8 116.298 C3 C2 O7 120.928
C3 C4 C5 120.581 C3 C4 H9 120.869
C4 C3 H8 122.694 C4 C5 C6 112.830
C4 C5 H10 110.911 C4 C5 H12 110.911
C5 C4 H9 118.550 C5 C6 H11 116.302
C6 C5 H10 108.385 C6 C5 H12 108.385
H10 C5 H12 105.083
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 -0.313      
2 C 0.411      
3 C -0.165      
4 C -0.098      
5 C 0.049      
6 C 0.098      
7 O -0.393      
8 H 0.112      
9 H 0.096      
10 H 0.065      
11 H 0.073      
12 H 0.065      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.413 -6.146 0.000 6.307
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.113 3.235 0.000
y 3.235 -44.546 0.000
z 0.000 0.000 -40.624
Traceless
 xyz
x 3.472 3.235 0.000
y 3.235 -4.677 0.000
z 0.000 0.000 1.206
Polar
3z2-r22.412
x2-y25.433
xy3.235
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.315 0.381 0.000
y 0.381 12.866 0.000
z 0.000 0.000 5.737


<r2> (average value of r2) Å2
<r2> 176.104
(<r2>)1/2 13.270