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

using model chemistry: LSDA/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-321.781028
Energy at 298.15K-321.787587
Nuclear repulsion energy276.361083
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(2df,p)
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' 3510 3453 62.61      
2 A' 3176 3125 0.64      
3 A' 3155 3104 0.13      
4 A' 3139 3088 1.06      
5 A' 3112 3062 6.77      
6 A' 1792 1764 439.31      
7 A' 1649 1622 33.56      
8 A' 1579 1554 51.62      
9 A' 1471 1447 2.43      
10 A' 1411 1388 4.61      
11 A' 1334 1313 2.51      
12 A' 1234 1214 11.25      
13 A' 1175 1156 7.41      
14 A' 1118 1100 5.70      
15 A' 1080 1063 20.57      
16 A' 1022 1005 4.10      
17 A' 969 953 8.89      
18 A' 821 808 3.01      
19 A' 599 589 0.36      
20 A' 531 522 5.32      
21 A' 436 429 7.45      
22 A" 966 951 0.06      
23 A" 894 879 0.10      
24 A" 840 826 20.30      
25 A" 760 748 54.40      
26 A" 729 718 8.28      
27 A" 704 693 28.13      
28 A" 476 468 31.98      
29 A" 385 379 0.58      
30 A" 167 164 2.60      

Unscaled Zero Point Vibrational Energy (zpe) 20114.4 cm-1
Scaled (by 0.984) Zero Point Vibrational Energy (zpe) 19792.6 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(2df,p)
ABC
0.19159 0.09366 0.06291

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.126 0.224 0.000
C2 0.000 1.063 0.000
C3 1.234 0.327 0.000
C4 1.260 -1.035 0.000
C5 0.071 -1.795 0.000
C6 -1.112 -1.122 0.000
O7 -0.149 2.274 0.000
H8 2.146 0.928 0.000
H9 2.224 -1.555 0.000
H10 0.083 -2.884 0.000
H11 -2.086 -1.618 0.000
H12 -2.006 0.742 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.40392.36202.69802.34711.34682.27043.34653.79343.33582.07801.0212
C21.40391.43692.44732.85852.45201.22022.15003.43543.94833.39742.0315
C32.36201.43691.36192.41912.75732.38871.09252.12663.41103.84783.2664
C42.69802.44731.36191.41102.37363.59682.15381.09542.19203.39663.7183
C52.34712.85852.41911.41101.36064.07463.42332.16641.08992.16423.2787
C61.34682.45202.75732.37361.36063.53023.84943.36402.12931.09322.0679
O72.27041.22022.38873.59684.07463.53022.66074.50535.16384.34772.4069
H83.34652.15001.09252.15383.42333.84942.66072.48484.33474.93914.1560
H93.79343.43542.12661.09542.16643.36404.50532.48482.51974.31064.8138
H103.33583.94833.41102.19201.08992.12935.16384.33472.51972.51194.1856
H112.07803.39743.84783.39662.16421.09324.34774.93914.31062.51192.3621
H121.02122.03153.26643.71833.27872.06792.40694.15604.81384.18562.3621

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 112.492 N1 C2 O7 119.644
N1 C6 C5 120.202 N1 C6 H11 116.394
C2 N1 C6 126.087 C2 N1 H12 112.844
C2 C3 C4 121.930 C2 C3 H8 115.762
C3 C2 O7 127.864 C3 C4 C5 121.468
C3 C4 H9 119.460 C4 C3 H8 122.308
C4 C5 C6 117.821 C4 C5 H10 121.915
C5 C4 H9 119.072 C5 C6 H11 123.404
C6 N1 H12 121.069 C6 C5 H10 120.264
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.299      
2 C 0.339      
3 C -0.253      
4 C -0.102      
5 C -0.184      
6 C -0.027      
7 O -0.349      
8 H 0.147      
9 H 0.140      
10 H 0.140      
11 H 0.162      
12 H 0.286      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.251 -3.712 0.000 3.917
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.835 0.175 0.000
y 0.175 -45.275 0.000
z 0.000 0.000 -41.692
Traceless
 xyz
x 12.648 0.175 0.000
y 0.175 -9.011 0.000
z 0.000 0.000 -3.637
Polar
3z2-r2-7.274
x2-y214.439
xy0.175
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.385 0.035 0.000
y 0.035 12.277 0.000
z 0.000 0.000 4.109


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