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All results from a given calculation for C5H5NO (3(4H)-Pyridinone)

using model chemistry: LSDA/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at LSDA/3-21G*
 hartrees
Energy at 0K-319.931345
Energy at 298.15K-319.937523
Nuclear repulsion energy271.286108
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/3-21G*
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' 3144 3087 17.07      
2 A' 3111 3055 0.62      
3 A' 3069 3014 11.25      
4 A' 2958 2904 4.06      
5 A' 1701 1670 93.66      
6 A' 1640 1611 29.66      
7 A' 1565 1536 5.40      
8 A' 1395 1370 4.35      
9 A' 1373 1349 48.80      
10 A' 1324 1300 2.87      
11 A' 1295 1272 11.70      
12 A' 1225 1203 5.11      
13 A' 1198 1176 9.59      
14 A' 1035 1016 5.75      
15 A' 977 960 13.15      
16 A' 911 895 5.66      
17 A' 743 730 12.76      
18 A' 595 584 5.08      
19 A' 498 489 13.30      
20 A' 424 417 9.73      
21 A" 2982 2928 1.39      
22 A" 1197 1176 3.62      
23 A" 1007 989 7.83      
24 A" 987 969 0.19      
25 A" 859 843 0.02      
26 A" 773 759 34.37      
27 A" 551 541 21.69      
28 A" 428 420 12.86      
29 A" 272 267 0.08      
30 A" 66 65 6.71      

Unscaled Zero Point Vibrational Energy (zpe) 19652.1 cm-1
Scaled (by 0.982) Zero Point Vibrational Energy (zpe) 19298.4 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/3-21G*
ABC
0.17935 0.09122 0.06115

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.314 -1.018 0.000
C2 1.241 0.275 0.000
C3 0.000 1.061 0.000
C4 -1.274 0.243 0.000
C5 -1.095 -1.229 0.000
C6 0.131 -1.774 0.000
O7 0.012 2.300 0.000
H8 2.163 0.874 0.000
H9 -1.881 0.558 0.877
H10 -1.988 -1.864 0.000
H11 0.277 -2.858 0.000
H12 -1.881 0.558 -0.877

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.29452.45882.87842.41771.40373.56412.07323.66823.40832.11193.6682
C21.29451.46862.51452.77772.33012.36891.09963.25453.87263.27733.2545
C32.45881.46861.51362.53832.83821.23922.17072.13533.53653.92842.1353
C42.87842.51451.51361.48332.45872.42543.49381.11212.22513.46741.1121
C52.41772.77772.53831.48331.34183.69853.87722.14021.09582.12962.1402
C61.40372.33012.83822.45871.34184.07613.33753.20262.12101.09333.2026
O73.56412.36891.23922.42543.69854.07612.58092.71774.61935.16472.7177
H82.07321.09962.17073.49383.87723.33752.58094.14944.97224.18084.1494
H93.66823.25452.13531.11212.14023.20262.71774.14942.57824.13441.7544
H103.40833.87263.53652.22511.09582.12104.61934.97222.57822.47352.5782
H112.11193.27733.92843.46742.12961.09335.16474.18084.13442.47354.1344
H123.66823.25452.13531.11212.14023.20262.71774.14941.75442.57824.1344

picture of 3(4H)-Pyridinone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 125.601 N1 C2 H8 119.767
N1 C6 C5 123.411 N1 C6 H11 114.942
C2 N1 C6 119.378 C2 C3 C4 114.947
C2 C3 O7 121.826 C3 C2 H8 114.632
C3 C4 C5 115.759 C3 C4 H9 107.851
C3 C4 H12 107.851 C4 C3 O7 123.227
C4 C5 C6 120.904 C4 C5 H10 118.482
C5 C4 H9 110.279 C5 C4 H12 110.279
C5 C6 H11 121.647 C6 C5 H10 120.613
H9 C4 H12 104.147
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.446      
2 C 0.015      
3 C 0.339      
4 C -0.578      
5 C -0.182      
6 C -0.039      
7 O -0.406      
8 H 0.249      
9 H 0.292      
10 H 0.226      
11 H 0.238      
12 H 0.292      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.506 -1.768 0.000 3.067
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.819 3.182 0.000
y 3.182 -45.032 0.000
z 0.000 0.000 -40.373
Traceless
 xyz
x 4.884 3.182 0.000
y 3.182 -5.937 0.000
z 0.000 0.000 1.053
Polar
3z2-r22.105
x2-y27.214
xy3.182
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.189 0.829 0.000
y 0.829 10.694 0.000
z 0.000 0.000 3.602


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