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

using model chemistry: B3LYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/3-21G
 hartrees
Energy at 0K-321.689399
Energy at 298.15K-321.695796
Nuclear repulsion energy270.556072
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 B3LYP/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3226 3113 5.39      
2 A' 3182 3071 6.30      
3 A' 3106 2997 42.46      
4 A' 3016 2910 1.80      
5 A' 1738 1677 152.38      
6 A' 1706 1646 25.22      
7 A' 1642 1584 87.90      
8 A' 1482 1430 31.83      
9 A' 1442 1391 13.50      
10 A' 1426 1376 3.84      
11 A' 1358 1310 20.67      
12 A' 1246 1202 21.54      
13 A' 1123 1083 67.09      
14 A' 1000 965 1.91      
15 A' 943 909 25.53      
16 A' 866 836 9.93      
17 A' 742 716 12.19      
18 A' 601 580 0.14      
19 A' 546 527 0.94      
20 A' 462 446 2.65      
21 A" 3031 2925 2.25      
22 A" 1255 1211 0.08      
23 A" 1064 1026 0.09      
24 A" 1023 987 12.87      
25 A" 899 868 29.80      
26 A" 817 788 14.92      
27 A" 629 607 12.38      
28 A" 384 370 1.48      
29 A" 322 311 2.67      
30 A" 84 81 0.30      

Unscaled Zero Point Vibrational Energy (zpe) 20179.0 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 19470.7 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 B3LYP/3-21G
ABC
0.17838 0.09120 0.06102

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.266 0.383 0.000
C2 0.000 1.095 0.000
C3 1.245 0.294 0.000
C4 1.235 -1.043 0.000
C5 -0.056 -1.809 0.000
C6 -1.264 -0.901 0.000
O7 0.004 2.326 0.000
H8 2.165 0.864 0.000
H9 2.159 -1.612 0.000
H10 -0.111 -2.474 0.878
H11 -2.231 -1.407 0.000
H12 -0.111 -2.474 -0.878

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.45272.51212.87862.50381.28332.32183.46473.96403.20362.03293.2036
C21.45271.48022.46942.90512.36231.23102.17753.46313.67683.35193.6768
C32.51211.48021.33742.47302.77842.38071.08262.11443.20433.86903.2043
C42.87862.46941.33741.50082.50263.58712.12201.08582.15093.48422.1509
C52.50382.90512.47301.50081.51164.13603.47552.22421.10212.21151.1021
C61.28332.36232.77842.50261.51163.46703.85643.49662.13871.09112.1387
O72.32181.23102.38073.58714.13603.46702.60924.48944.88074.35084.8807
H83.46472.17751.08262.12203.47553.85642.60922.47594.13384.94754.1338
H93.96403.46312.11441.08582.22423.49664.48942.47592.58214.39482.5821
H103.20363.67683.20432.15091.10212.13874.88074.13382.58212.53011.7556
H112.03293.35193.86903.48422.21151.09114.35084.94754.39482.53012.5301
H123.20363.67683.20432.15091.10212.13874.88074.13382.58211.75562.5301

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 117.858 N1 C2 O7 119.574
N1 C6 C5 127.046 N1 C6 H11 117.549
C2 N1 C6 119.282 C2 C3 C4 122.345
C2 C3 H8 115.479 C3 C2 O7 122.567
C3 C4 C5 121.116 C3 C4 H9 121.168
C4 C3 H8 122.176 C4 C5 C6 112.354
C4 C5 H10 110.513 C4 C5 H12 110.513
C5 C4 H9 117.717 C5 C6 H11 115.405
C6 C5 H10 108.815 C6 C5 H12 108.815
H10 C5 H12 105.585
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.503      
2 C 0.560      
3 C -0.236      
4 C -0.123      
5 C -0.526      
6 C 0.132      
7 O -0.441      
8 H 0.216      
9 H 0.212      
10 H 0.246      
11 H 0.218      
12 H 0.246      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.661 -5.205 0.000 5.463
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.078 2.977 0.000
y 2.977 -42.638 0.000
z 0.000 0.000 -40.419
Traceless
 xyz
x 2.451 2.977 0.000
y 2.977 -2.890 0.000
z 0.000 0.000 0.439
Polar
3z2-r20.879
x2-y23.561
xy2.977
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.439 0.470 0.000
y 0.470 11.989 0.000
z 0.000 0.000 3.515


<r2> (average value of r2) Å2
<r2> 181.213
(<r2>)1/2 13.462