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

using model chemistry: B1B95/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-311G*
 hartrees
Energy at 0K-323.423418
Energy at 298.15K-323.429701
Nuclear repulsion energy273.605997
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 B1B95/6-311G*
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' 3216 3083 8.08      
2 A' 3178 3046 11.37      
3 A' 3097 2968 47.36      
4 A' 3022 2897 4.73      
5 A' 1810 1735 271.07      
6 A' 1744 1672 99.60      
7 A' 1693 1623 49.71      
8 A' 1438 1378 5.89      
9 A' 1422 1363 38.29      
10 A' 1416 1358 49.84      
11 A' 1379 1322 4.17      
12 A' 1234 1183 59.23      
13 A' 1146 1099 33.30      
14 A' 1006 964 3.54      
15 A' 957 918 17.30      
16 A' 903 866 6.91      
17 A' 788 755 8.34      
18 A' 590 566 0.22      
19 A' 545 522 2.31      
20 A' 468 448 3.51      
21 A" 3039 2914 4.43      
22 A" 1211 1161 0.00      
23 A" 1029 986 3.27      
24 A" 997 956 8.75      
25 A" 875 839 25.49      
26 A" 795 762 17.78      
27 A" 601 576 8.14      
28 A" 369 354 1.33      
29 A" 299 287 3.56      
30 A" 55 53 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 20161.0 cm-1
Scaled (by 0.9586) Zero Point Vibrational Energy (zpe) 19326.4 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 B1B95/6-311G*
ABC
0.18105 0.09396 0.06255

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.254 0.400 0.000
C2 0.000 1.079 0.000
C3 1.241 0.283 0.000
C4 1.219 -1.049 0.000
C5 -0.070 -1.780 0.000
C6 -1.254 -0.871 0.000
O7 0.021 2.285 0.000
H8 2.164 0.849 0.000
H9 2.139 -1.625 0.000
H10 -0.142 -2.454 0.865
H11 -2.232 -1.359 0.000
H12 -0.142 -2.454 -0.865

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.42602.49732.86592.48061.27112.27593.44723.95123.18192.01233.1819
C21.42601.47462.45272.86062.31891.20572.17633.44813.64003.30553.6400
C32.49731.47461.33172.44422.74852.34441.08332.10853.18553.84113.1855
C42.86592.45271.33171.48222.47913.54252.12031.08562.13883.46492.1388
C52.48062.86062.44421.48221.49234.06633.45052.21501.09852.20251.0985
C61.27112.31892.74852.47911.49233.40413.82643.47572.11811.09302.1181
O72.27591.20572.34443.54254.06633.40412.57924.44664.81954.28424.8195
H83.44722.17631.08332.12033.45053.82642.57922.47414.12014.91944.1201
H93.95123.44812.10851.08562.21503.47574.44662.47412.57714.37942.5771
H103.18193.64003.18552.13881.09852.11814.81954.12012.57712.51261.7301
H112.01233.30553.84113.46492.20251.09304.28424.91944.37942.51262.5126
H123.18193.64003.18552.13881.09852.11814.81954.12012.57711.73012.5126

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 118.832 N1 C2 O7 119.481
N1 C6 C5 127.523 N1 C6 H11 116.485
C2 N1 C6 118.462 C2 C3 C4 121.770
C2 C3 H8 115.759 C3 C2 O7 121.686
C3 C4 C5 120.503 C3 C4 H9 121.099
C4 C3 H8 122.471 C4 C5 C6 112.909
C4 C5 H10 111.073 C4 C5 H12 111.073
C5 C4 H9 118.398 C5 C6 H11 115.991
C6 C5 H10 108.730 C6 C5 H12 108.730
H10 C5 H12 103.904
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.286      
2 C 0.362      
3 C -0.321      
4 C -0.108      
5 C -0.561      
6 C 0.011      
7 O -0.296      
8 H 0.227      
9 H 0.224      
10 H 0.263      
11 H 0.221      
12 H 0.263      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.457 -5.526 0.000 5.715
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.703 2.900 0.000
y 2.900 -42.921 0.000
z 0.000 0.000 -40.120
Traceless
 xyz
x 2.817 2.900 0.000
y 2.900 -3.510 0.000
z 0.000 0.000 0.692
Polar
3z2-r21.385
x2-y24.218
xy2.900
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.388 0.420 0.000
y 0.420 12.812 0.000
z 0.000 0.000 4.732


<r2> (average value of r2) Å2
<r2> 177.470
(<r2>)1/2 13.322