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All results from a given calculation for C5H5NO (3(2H)-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-321.683903
Energy at 298.15K-321.690274
Nuclear repulsion energy269.637672
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' 3222 3109 5.79      
2 A' 3195 3083 8.08      
3 A' 3146 3036 34.45      
4 A' 3048 2941 1.74      
5 A' 1711 1651 81.70      
6 A' 1684 1625 48.46      
7 A' 1603 1546 15.82      
8 A' 1463 1412 18.43      
9 A' 1442 1392 10.76      
10 A' 1418 1368 2.03      
11 A' 1331 1284 3.01      
12 A' 1255 1211 8.34      
13 A' 1159 1118 36.75      
14 A' 1002 967 4.60      
15 A' 981 946 17.31      
16 A' 901 869 8.02      
17 A' 740 714 7.99      
18 A' 567 547 9.68      
19 A' 519 501 9.50      
20 A' 431 416 11.81      
21 A" 3071 2963 0.56      
22 A" 1276 1231 3.43      
23 A" 1085 1047 0.91      
24 A" 1027 991 0.46      
25 A" 946 913 3.96      
26 A" 817 788 45.17      
27 A" 565 546 2.22      
28 A" 488 471 1.35      
29 A" 280 270 4.32      
30 A" 86 83 12.76      

Unscaled Zero Point Vibrational Energy (zpe) 20229.0 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 19518.9 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 B3LYP/3-21G
ABC
0.17657 0.08992 0.06024

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.222 -1.202 0.000
C2 -0.258 -1.262 -0.000
C3 -1.073 0.038 -0.000
C4 -0.282 1.280 -0.000
C5 1.064 1.242 0.000
C6 1.777 -0.041 -0.000
O7 -2.312 0.028 0.000
H8 -0.556 -1.857 0.874
H9 -0.838 2.210 0.000
H10 1.656 2.150 0.000
H11 2.864 -0.001 0.000
H12 -0.556 -1.857 -0.874

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.48132.60842.90242.44871.28733.74252.08713.98583.38032.03452.0871
C21.48131.53422.54242.83102.37342.42601.09853.52003.91253.36721.0985
C32.60841.53421.47272.45232.85091.23962.14982.18453.45093.93722.1498
C42.90242.54241.47271.34632.44622.38533.26851.08342.12433.39703.2685
C52.44872.83102.45231.34631.46713.58753.60442.13451.08472.18753.6044
C61.28732.37342.85092.44621.46714.08993.08373.45032.19421.08793.0837
O73.74252.42601.23962.38533.58754.08992.72062.63264.50015.17662.7207
H82.08711.09852.14983.26853.60443.08372.72064.16944.66043.98881.7472
H93.98583.52002.18451.08342.13453.45032.63264.16942.49524.31244.1695
H103.38033.91253.45092.12431.08472.19424.50014.66042.49522.46734.6605
H112.03453.36723.93723.39702.18751.08795.17663.98884.31242.46733.9888
H122.08711.09852.14983.26853.60443.08372.72071.74724.16954.66053.9888

picture of 3(2H)-Pyridinone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 119.762 N1 C2 H8 107.066
N1 C2 H12 107.066 N1 C6 C5 125.374
N1 C6 H11 117.620 C2 N1 C6 117.857
C2 C3 C4 115.439 C2 C3 O7 121.640
C3 C2 H8 108.352 C3 C2 H12 108.352
C3 C4 C5 120.832 C3 C4 H9 116.608
C4 C3 O7 122.922 C4 C5 C6 120.737
C4 C5 H10 121.444 C5 C4 H9 122.560
C5 C6 H11 117.005 C6 C5 H10 117.819
H8 C2 H12 105.359
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 -0.452      
2 C -0.328      
3 C 0.375      
4 C -0.181      
5 C -0.228      
6 C 0.090      
7 O -0.466      
8 H 0.268      
9 H 0.223      
10 H 0.211      
11 H 0.219      
12 H 0.268      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.982 1.530 -0.000 2.504
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.428 -4.437 0.000
y -4.437 -46.467 0.000
z 0.000 0.000 -40.378
Traceless
 xyz
x 5.994 -4.437 0.000
y -4.437 -7.564 0.000
z 0.000 0.000 1.570
Polar
3z2-r23.140
x2-y29.038
xy-4.437
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.576 -0.593 0.000
y -0.593 10.694 0.000
z 0.000 0.000 3.475


<r2> (average value of r2) Å2
<r2> 181.601
(<r2>)1/2 13.476