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All results from a given calculation for C5H5NO (2(3H)-Pyridinone)

using model chemistry: MP2/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A
Energy calculated at MP2/3-21G
 hartrees
Energy at 0K-320.389433
Energy at 298.15K-320.395752
HF Energy-319.712640
Nuclear repulsion energy269.193115
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 MP2/3-21G
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 3231 3084 11.72      
2 A 3204 3058 3.45      
3 A 3158 3014 34.23      
4 A 3152 3009 2.79      
5 A 3061 2922 0.89      
6 A 1672 1596 81.54      
7 A 1662 1586 24.71      
8 A 1536 1467 24.16      
9 A 1517 1448 29.56      
10 A 1454 1388 4.78      
11 A 1433 1368 12.41      
12 A 1342 1281 7.68      
13 A 1258 1201 10.50      
14 A 1244 1188 0.29      
15 A 1090 1041 50.90      
16 A 1031 984 5.67      
17 A 999 954 4.52      
18 A 976 932 3.65      
19 A 955 912 5.22      
20 A 949 906 34.60      
21 A 921 879 9.44      
22 A 739 706 54.97      
23 A 695 664 22.90      
24 A 636 608 0.52      
25 A 567 541 0.67      
26 A 534 509 0.29      
27 A 462 441 1.87      
28 A 431 412 1.38      
29 A 270 258 1.81      
30 A 88 84 1.14      

Unscaled Zero Point Vibrational Energy (zpe) 20134.3 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 19218.2 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 MP2/3-21G
ABC
0.16756 0.09235 0.06262

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.340 -1.302 0.231
C2 1.058 -0.034 0.024
C3 0.273 1.256 0.321
C4 -1.184 1.153 -0.111
C5 -1.761 -0.061 -0.231
C6 -0.959 -1.270 0.068
O7 2.247 -0.045 -0.333
H8 0.793 2.073 -0.189
H9 -1.739 2.073 -0.267
H10 -2.803 -0.180 -0.512
H11 -1.495 -2.211 0.189
H12 0.321 1.450 1.404

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.47172.56002.90952.48391.31002.35193.43073.99543.41902.04872.9913
C21.47171.53872.54062.83132.36661.24132.13413.51453.90103.35962.1562
C32.56001.53871.52302.48512.82192.45291.09432.25013.49513.89371.1021
C42.90952.54061.52301.34932.44013.64102.18191.08632.13513.39132.1557
C52.48392.83132.48511.34931.48174.00953.32842.13451.08542.20673.0481
C61.31002.36662.82192.44011.48173.45543.78323.44972.21901.08933.2898
O72.35191.24132.45293.64104.00953.45542.57354.51495.05484.35492.9940
H83.43072.13411.09432.18193.32843.78322.57352.53344.25564.87121.7747
H93.99543.51452.25011.08632.13453.44974.51492.53342.50384.31522.7249
H103.41903.90103.49512.13511.08542.21905.05484.25562.50382.51494.0106
H112.04873.35963.89373.39132.20671.08934.35494.87124.31522.51494.2631
H122.99132.15621.10212.15573.04813.28982.99401.77472.72494.01064.2631

picture of 2(3H)-Pyridinone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 116.493 N1 C2 O7 119.970
N1 C6 C5 125.572 N1 C6 H11 116.972
C2 N1 C6 116.472 C2 C3 C4 112.159
C2 C3 H8 107.090 C2 C3 H12 108.338
C3 C2 O7 123.504 C3 C4 C5 119.692
C3 C4 H9 118.198 C4 C3 H8 111.914
C4 C3 H12 109.368 C4 C5 C6 118.986
C4 C5 H10 122.174 C5 C4 H9 122.048
C5 C6 H11 117.434 C6 C5 H10 118.816
H8 C3 H12 107.809
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.625      
2 C 0.745      
3 C -0.595      
4 C -0.148      
5 C -0.337      
6 C 0.147      
7 O -0.540      
8 H 0.280      
9 H 0.263      
10 H 0.257      
11 H 0.268      
12 H 0.284      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -5.020 2.601 0.569 5.682
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.751 3.858 2.425
y 3.858 -38.778 0.925
z 2.425 0.925 -41.633
Traceless
 xyz
x -5.545 3.858 2.425
y 3.858 4.913 0.925
z 2.425 0.925 0.632
Polar
3z2-r21.264
x2-y2-6.972
xy3.858
xz2.425
yz0.925


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.555 0.674 0.202
y 0.674 8.297 -0.057
z 0.202 -0.057 3.801


<r2> (average value of r2) Å2
<r2> 180.347
(<r2>)1/2 13.429