return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: LSDA/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-321.723838
Energy at 298.15K-321.729979
Nuclear repulsion energy273.001875
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/cc-pVDZ
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' 3135 3100 1.77      
2 A' 3097 3063 4.18      
3 A' 2995 2962 31.71      
4 A' 2931 2899 0.49      
5 A' 1769 1750 206.74      
6 A' 1707 1688 89.89      
7 A' 1658 1640 44.78      
8 A' 1379 1363 52.35      
9 A' 1354 1339 13.85      
10 A' 1316 1301 0.69      
11 A' 1297 1283 52.51      
12 A' 1193 1180 48.61      
13 A' 1087 1075 11.97      
14 A' 980 969 5.20      
15 A' 933 922 16.51      
16 A' 903 893 10.04      
17 A' 794 785 4.79      
18 A' 578 572 0.32      
19 A' 536 530 1.81      
20 A' 456 451 2.81      
21 A" 2953 2921 0.00      
22 A" 1122 1109 0.03      
23 A" 986 975 0.28      
24 A" 949 939 9.58      
25 A" 851 842 19.30      
26 A" 758 750 8.31      
27 A" 573 567 10.10      
28 A" 359 355 0.59      
29 A" 291 288 5.54      
30 A" 46 46 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 19493.1 cm-1
Scaled (by 0.989) Zero Point Vibrational Energy (zpe) 19278.7 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 LSDA/cc-pVDZ
ABC
0.18175 0.09337 0.06238

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.249 0.403 0.000
C2 0.000 1.076 0.000
C3 1.235 0.286 0.000
C4 1.216 -1.057 0.000
C5 -0.070 -1.776 0.000
C6 -1.250 -0.877 0.000
O7 0.021 2.294 0.000
H8 2.172 0.867 0.000
H9 2.152 -1.641 0.000
H10 -0.148 -2.471 0.872
H11 -2.245 -1.377 0.000
H12 -0.148 -2.471 -0.872

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.41882.48712.86482.47781.28072.27803.45193.96853.19922.04013.1992
C21.41881.46652.45522.85332.31931.21812.18183.46693.65623.32563.6562
C32.48711.46651.34292.44072.74412.34661.10182.13453.20593.85723.2059
C42.86482.45521.34291.47372.47233.55742.14781.10402.15013.47552.1501
C52.47782.85332.44071.47371.48304.07143.46572.22651.11822.21081.1182
C61.28072.31932.74412.47231.48303.41693.84043.48682.12481.11352.1248
O72.27801.21812.34663.55744.07143.41692.58104.47564.84764.31464.8476
H83.45192.18181.10182.14783.46573.84042.58102.50844.15764.95394.1576
H93.96853.46692.13451.10402.22653.48684.47562.50842.59654.40492.5965
H103.19923.65623.20592.15011.11822.12484.84764.15762.59652.52051.7450
H112.04013.32563.85723.47552.21081.11354.31464.95394.40492.52052.5205
H123.19923.65623.20592.15011.11822.12484.84764.15762.59651.74502.5205

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 119.072 N1 C2 O7 119.325
N1 C6 C5 127.263 N1 C6 H11 116.719
C2 N1 C6 118.361 C2 C3 C4 121.777
C2 C3 H8 115.585 C3 C2 O7 121.603
C3 C4 C5 120.054 C3 C4 H9 121.163
C4 C3 H8 122.639 C4 C5 C6 113.474
C4 C5 H10 111.370 C4 C5 H12 111.370
C5 C4 H9 118.783 C5 C6 H11 116.018
C6 C5 H10 108.732 C6 C5 H12 108.732
H10 C5 H12 102.567
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.085      
2 C 0.043      
3 C -0.029      
4 C -0.044      
5 C -0.089      
6 C -0.033      
7 O -0.143      
8 H 0.039      
9 H 0.044      
10 H 0.117      
11 H 0.062      
12 H 0.117      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.363 -5.391 0.000 5.560
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.719 2.681 0.000
y 2.681 -42.032 0.000
z 0.000 0.000 -39.929
Traceless
 xyz
x 2.261 2.681 0.000
y 2.681 -2.707 0.000
z 0.000 0.000 0.446
Polar
3z2-r20.892
x2-y23.313
xy2.681
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.882 0.492 0.000
y 0.492 13.045 0.000
z 0.000 0.000 4.571


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