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

using model chemistry: B1B95/CEP-31G

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/CEP-31G
 hartrees
Energy at 0K-56.928176
Energy at 298.15K-56.934462
Nuclear repulsion energy137.433684
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/CEP-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' 3247 3109 10.83      
2 A' 3200 3064 11.28      
3 A' 3155 3021 46.83      
4 A' 3051 2921 5.33      
5 A' 1723 1649 141.83      
6 A' 1684 1612 32.85      
7 A' 1641 1571 182.66      
8 A' 1443 1381 42.83      
9 A' 1419 1358 21.27      
10 A' 1401 1341 31.53      
11 A' 1376 1317 11.24      
12 A' 1242 1189 48.75      
13 A' 1144 1096 29.46      
14 A' 1018 975 6.77      
15 A' 934 894 14.52      
16 A' 904 865 8.53      
17 A' 775 742 7.02      
18 A' 580 556 0.12      
19 A' 528 506 0.86      
20 A' 454 435 5.17      
21 A" 3090 2959 9.74      
22 A" 1192 1141 0.06      
23 A" 1054 1009 0.49      
24 A" 1008 965 13.64      
25 A" 868 832 29.37      
26 A" 811 776 22.13      
27 A" 617 590 11.52      
28 A" 371 356 1.71      
29 A" 309 296 5.19      
30 A" 70 67 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 20153.2 cm-1
Scaled (by 0.9575) Zero Point Vibrational Energy (zpe) 19296.7 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 B1B95/CEP-31G
ABC
0.17490 0.08949 0.05985

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.276 0.401 0.000
C2 0.000 1.096 0.000
C3 1.266 0.297 0.000
C4 1.241 -1.071 0.000
C5 -0.067 -1.824 0.000
C6 -1.276 -0.902 0.000
O7 0.014 2.348 0.000
H8 2.193 0.870 0.000
H9 2.171 -1.646 0.000
H10 -0.133 -2.496 0.876
H11 -2.261 -1.390 0.000
H12 -0.133 -2.496 -0.876

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.45322.54372.91582.53191.30292.33563.50084.00903.23542.04383.2354
C21.45321.49702.49782.92122.37101.25142.20503.49793.70053.36053.7005
C32.54371.49701.36842.50502.81002.40241.09022.14363.24463.90903.2446
C42.91582.49781.36841.50952.52253.63232.16201.09342.16513.51612.1651
C52.53192.92122.50501.50951.52004.17253.51662.24561.10662.23571.1066
C61.30292.37102.81002.52251.52003.49653.89533.52632.14841.09912.1484
O72.33561.25142.40243.63234.17253.49652.63294.53894.92494.37574.9249
H83.50082.20501.09022.16203.51663.89532.63292.51594.18474.99444.1847
H94.00903.49792.14361.09342.24563.52634.53892.51592.60794.43912.6079
H103.23543.70053.24462.16511.10662.14844.92494.18472.60792.55301.7528
H112.04383.36053.90903.51612.23571.09914.37574.99444.43912.55302.5530
H123.23543.70053.24462.16511.10662.14844.92494.18472.60791.75282.5530

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 119.125 N1 C2 O7 119.255
N1 C6 C5 127.348 N1 C6 H11 116.356
C2 N1 C6 118.589 C2 C3 C4 121.249
C2 C3 H8 116.026 C3 C2 O7 121.621
C3 C4 C5 120.945 C3 C4 H9 120.684
C4 C3 H8 122.725 C4 C5 C6 112.745
C4 C5 H10 110.770 C4 C5 H12 110.770
C5 C4 H9 118.371 C5 C6 H11 116.297
C6 C5 H10 108.737 C6 C5 H12 108.737
H10 C5 H12 104.746
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.357      
2 C -0.459      
3 C 0.004      
4 C -0.441      
5 C 0.007      
6 C -0.556      
7 O -0.052      
8 H 0.306      
9 H 0.274      
10 H 0.162      
11 H 0.236      
12 H 0.162      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.964 -6.602 0.000 6.888
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.185 3.811 0.000
y 3.811 -44.583 0.000
z 0.000 0.000 -40.171
Traceless
 xyz
x 3.192 3.811 0.000
y 3.811 -4.905 0.000
z 0.000 0.000 1.713
Polar
3z2-r23.426
x2-y25.398
xy3.811
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.831 0.223 0.000
y 0.223 13.179 0.000
z 0.000 0.000 4.470


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