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

using model chemistry: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-323.242007
Energy at 298.15K-323.248349
Nuclear repulsion energy271.022372
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 B1B95/6-31G
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' 3271 3119 23.68      
2 A' 3221 3072 4.31      
3 A' 3210 3062 10.98      
4 A' 3045 2904 1.63      
5 A' 1724 1644 90.31      
6 A' 1695 1617 81.46      
7 A' 1623 1547 5.95      
8 A' 1447 1380 33.37      
9 A' 1442 1375 3.92      
10 A' 1377 1314 0.26      
11 A' 1355 1292 5.77      
12 A' 1287 1227 12.93      
13 A' 1243 1186 3.72      
14 A' 1050 1001 8.99      
15 A' 987 941 4.48      
16 A' 937 894 5.64      
17 A' 765 729 10.99      
18 A' 598 571 3.97      
19 A' 506 482 16.75      
20 A' 443 423 13.62      
21 A" 3078 2935 0.22      
22 A" 1214 1158 4.16      
23 A" 1025 978 3.42      
24 A" 997 950 1.39      
25 A" 893 852 0.32      
26 A" 792 756 34.73      
27 A" 568 541 15.07      
28 A" 448 427 16.89      
29 A" 286 273 1.32      
30 A" 81 78 6.88      

Unscaled Zero Point Vibrational Energy (zpe) 20303.3 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 19363.2 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 B1B95/6-31G
ABC
0.17704 0.09174 0.06109

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.317 -1.019 0.000
C2 1.256 0.275 0.000
C3 0.000 1.050 0.000
C4 -1.287 0.258 0.000
C5 -1.102 -1.224 0.000
C6 0.122 -1.776 0.000
O7 0.017 2.292 0.000
H8 2.179 0.846 0.000
H9 -1.883 0.573 0.869
H10 -1.987 -1.851 0.000
H11 0.278 -2.845 0.000
H12 -1.883 0.573 -0.869

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.29482.45212.90042.42781.41483.55682.05453.67833.40732.10193.6783
C21.29481.47592.54332.79382.34312.36751.08593.27073.87753.26993.2707
C32.45211.47591.51102.52612.82791.24252.18892.12773.51573.90462.1277
C42.90042.54331.51101.49302.47412.41603.51601.09972.22203.47521.0997
C52.42782.79382.52611.49301.34273.68923.87962.14321.08472.12882.1432
C61.41482.34312.82792.47411.34274.06903.33283.20812.11021.08073.2081
O73.55682.36751.24252.41603.68924.06902.60132.70514.60195.14372.7051
H82.05451.08592.18893.51603.87963.33282.60134.16314.96314.15274.1631
H93.67833.27072.12771.09972.14323.20812.70514.16312.57724.13601.7377
H103.40733.87753.51572.22201.08472.11024.60194.96312.57722.47272.5772
H112.10193.26993.90463.47522.12881.08075.14374.15274.13602.47274.1360
H123.67833.27072.12771.09972.14323.20812.70514.16311.73772.57724.1360

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 124.374 N1 C2 H8 119.055
N1 C6 C5 123.368 N1 C6 H11 114.094
C2 N1 C6 119.644 C2 C3 C4 116.740
C2 C3 O7 120.893 C3 C2 H8 116.571
C3 C4 C5 114.469 C3 C4 H9 108.140
C3 C4 H12 108.140 C4 C3 O7 122.368
C4 C5 C6 121.405 C4 C5 H10 118.213
C5 C4 H9 110.588 C5 C4 H12 110.588
C5 C6 H11 122.537 C6 C5 H10 120.381
H9 C4 H12 104.389
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.348      
2 C -0.001      
3 C 0.316      
4 C -0.438      
5 C -0.101      
6 C -0.025      
7 O -0.420      
8 H 0.198      
9 H 0.232      
10 H 0.174      
11 H 0.181      
12 H 0.232      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.585 -2.158 0.000 3.367
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.219 3.578 0.000
y 3.578 -47.070 0.000
z 0.000 0.000 -39.905
Traceless
 xyz
x 5.268 3.578 0.000
y 3.578 -8.008 0.000
z 0.000 0.000 2.740
Polar
3z2-r25.480
x2-y28.851
xy3.578
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.361 0.664 0.000
y 0.664 11.154 0.000
z 0.000 0.000 3.978


<r2> (average value of r2) Å2
<r2> 179.912
(<r2>)1/2 13.413