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

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

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/6-31+G**
 hartrees
Energy at 0K-321.734830
Energy at 298.15K-321.740946
Nuclear repulsion energy273.160564
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/6-31+G**
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' 3141 3094 1.72      
2 A' 3105 3058 4.92      
3 A' 3018 2973 28.71      
4 A' 2938 2894 0.69      
5 A' 1750 1723 248.46      
6 A' 1701 1676 109.72      
7 A' 1650 1625 52.36      
8 A' 1384 1363 37.03      
9 A' 1367 1347 24.10      
10 A' 1333 1313 52.50      
11 A' 1326 1306 10.94      
12 A' 1207 1189 52.11      
13 A' 1105 1089 15.20      
14 A' 984 969 5.25      
15 A' 939 925 15.13      
16 A' 901 888 10.42      
17 A' 795 783 6.45      
18 A' 582 574 0.12      
19 A' 538 530 1.56      
20 A' 459 452 3.13      
21 A" 2959 2915 0.11      
22 A" 1132 1115 0.01      
23 A" 988 973 1.41      
24 A" 951 937 10.46      
25 A" 844 832 24.53      
26 A" 758 747 13.38      
27 A" 575 567 9.94      
28 A" 359 354 1.22      
29 A" 292 287 5.31      
30 A" 35 34 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 19558.8 cm-1
Scaled (by 0.985) Zero Point Vibrational Energy (zpe) 19265.4 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/6-31+G**
ABC
0.18195 0.09343 0.06243

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.246 0.400 0.000
C2 0.000 1.074 0.000
C3 1.236 0.289 0.000
C4 1.215 -1.053 0.000
C5 -0.069 -1.776 0.000
C6 -1.252 -0.881 0.000
O7 0.019 2.295 0.000
H8 2.168 0.865 0.000
H9 2.147 -1.634 0.000
H10 -0.145 -2.465 0.869
H11 -2.241 -1.375 0.000
H12 -0.145 -2.465 -0.869

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.41662.48502.85812.47361.28112.27933.44573.95573.19022.03433.1902
C21.41661.46432.44932.85032.32131.22202.17793.45543.64693.31913.6469
C32.48501.46431.34212.44292.74952.34671.09562.12763.20123.85503.2012
C42.85812.44931.34211.47392.47293.55562.14211.09782.14453.47142.1445
C52.47362.85032.44291.47391.48284.07233.46152.22041.11202.20881.1120
C61.28112.32132.74952.47291.48283.42163.84003.48082.11911.10562.1191
O72.27931.22202.34673.55564.07233.42162.58094.46844.84214.31034.8421
H83.44572.17791.09562.14213.46153.84002.58092.49974.14704.94564.1470
H93.95573.45542.12761.09782.22043.48084.46842.49972.58774.39552.5877
H103.19023.64693.20122.14451.11202.11914.84214.14702.58772.51821.7388
H112.03433.31913.85503.47142.20881.10564.31034.94564.39552.51822.5182
H123.19023.64693.20122.14451.11202.11914.84214.14702.58771.73882.5182

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 119.197 N1 C2 O7 119.310
N1 C6 C5 126.858 N1 C6 H11 116.746
C2 N1 C6 118.652 C2 C3 C4 121.498
C2 C3 H8 115.843 C3 C2 O7 121.493
C3 C4 C5 120.274 C3 C4 H9 121.055
C4 C3 H8 122.659 C4 C5 C6 113.520
C4 C5 H10 111.290 C4 C5 H12 111.290
C5 C4 H9 118.671 C5 C6 H11 116.396
C6 C5 H10 108.658 C6 C5 H12 108.658
H10 C5 H12 102.850
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.116      
2 C -0.046      
3 C 0.274      
4 C -0.205      
5 C -0.425      
6 C -0.081      
7 O -0.383      
8 H 0.179      
9 H 0.177      
10 H 0.228      
11 H 0.170      
12 H 0.228      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.602 -6.179 0.000 6.383
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.407 3.116 0.000
y 3.116 -43.943 0.000
z 0.000 0.000 -40.778
Traceless
 xyz
x 2.954 3.116 0.000
y 3.116 -3.851 0.000
z 0.000 0.000 0.897
Polar
3z2-r21.794
x2-y24.537
xy3.116
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.767 0.230 0.000
y 0.230 14.582 0.000
z 0.000 0.000 6.030


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