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All results from a given calculation for C5H5NO (2(5H)-Pyridinone)

using model chemistry: LSDA/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at LSDA/6-31G**
 hartrees
Energy at 0K-321.719552
Energy at 298.15K-321.725683
Nuclear repulsion energy273.241345
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 LSDA/6-31G**
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' 3145 3086 1.94      
2 A' 3107 3049 4.95      
3 A' 3012 2955 32.36      
4 A' 2940 2885 0.59      
5 A' 1777 1743 196.25      
6 A' 1711 1679 92.07      
7 A' 1660 1629 40.00      
8 A' 1386 1360 33.07      
9 A' 1373 1348 26.41      
10 A' 1342 1317 48.22      
11 A' 1330 1305 3.04      
12 A' 1205 1182 54.70      
13 A' 1105 1084 13.30      
14 A' 984 965 4.46      
15 A' 936 919 16.86      
16 A' 901 885 8.70      
17 A' 794 779 5.25      
18 A' 581 570 0.25      
19 A' 538 528 1.94      
20 A' 457 448 3.03      
21 A" 2962 2906 0.05      
22 A" 1135 1114 0.02      
23 A" 989 970 0.97      
24 A" 955 937 6.90      
25 A" 845 830 23.89      
26 A" 759 745 10.27      
27 A" 576 565 8.53      
28 A" 358 351 0.82      
29 A" 291 286 5.60      
30 A" 48 47 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 19599.7 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 19233.1 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 LSDA/6-31G**
ABC
0.18205 0.09346 0.06245

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.247 0.400 0.000
C2 0.000 1.075 0.000
C3 1.235 0.287 0.000
C4 1.215 -1.053 0.000
C5 -0.069 -1.776 0.000
C6 -1.251 -0.879 0.000
O7 0.021 2.294 0.000
H8 2.166 0.864 0.000
H9 2.145 -1.635 0.000
H10 -0.145 -2.466 0.869
H11 -2.239 -1.377 0.000
H12 -0.145 -2.466 -0.869

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.41832.48512.85962.47531.27952.27933.44483.95673.19182.03513.1918
C21.41831.46512.45072.85242.32031.21932.17633.45683.64903.32033.6490
C32.48511.46511.34022.44092.74572.34601.09512.12693.19953.85163.1995
C42.85962.45071.34021.47392.47213.55402.13961.09742.14473.46892.1447
C52.47532.85242.44091.47391.48374.07163.45912.21901.11172.20591.1117
C61.27952.32032.74572.47211.48373.41863.83563.47942.12051.10622.1205
O72.27931.21932.34603.55404.07163.41862.57854.46714.84174.31084.8417
H83.44482.17631.09512.13963.45913.83562.57852.49904.14484.94184.1448
H93.95673.45682.12691.09742.21903.47944.46712.49902.58624.39162.5862
H103.19183.64903.19952.14471.11172.12054.84174.14482.58622.51511.7374
H112.03513.32033.85163.46892.20591.10624.31084.94184.39162.51512.5151
H123.19183.64903.19952.14471.11172.12054.84174.14482.58621.73742.5151

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 119.045 N1 C2 O7 119.385
N1 C6 C5 127.063 N1 C6 H11 116.900
C2 N1 C6 118.555 C2 C3 C4 121.697
C2 C3 H8 115.676 C3 C2 O7 121.569
C3 C4 C5 120.238 C3 C4 H9 121.190
C4 C3 H8 122.626 C4 C5 C6 113.402
C4 C5 H10 111.318 C4 C5 H12 111.318
C5 C4 H9 118.572 C5 C6 H11 116.037
C6 C5 H10 108.730 C6 C5 H12 108.730
H10 C5 H12 102.775
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.338      
2 C 0.410      
3 C -0.099      
4 C -0.096      
5 C -0.358      
6 C 0.065      
7 O -0.393      
8 H 0.141      
9 H 0.140      
10 H 0.193      
11 H 0.141      
12 H 0.193      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.468 -5.552 0.000 5.743
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.318 2.769 0.000
y 2.769 -42.017 0.000
z 0.000 0.000 -39.619
Traceless
 xyz
x 2.500 2.769 0.000
y 2.769 -3.048 0.000
z 0.000 0.000 0.549
Polar
3z2-r21.098
x2-y23.699
xy2.769
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.535 0.435 0.000
y 0.435 12.826 0.000
z 0.000 0.000 4.322


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000