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All results from a given calculation for C5H5NO (2(5H)-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 CS 1A'
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-323.358792
Energy at 298.15K-323.365078
Nuclear repulsion energy273.076887
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' 3237 3090 4.82      
2 A' 3198 3053 8.13      
3 A' 3112 2971 39.17      
4 A' 3030 2893 3.22      
5 A' 1826 1744 252.03      
6 A' 1753 1674 91.96      
7 A' 1704 1627 41.48      
8 A' 1434 1369 0.85      
9 A' 1418 1354 51.41      
10 A' 1416 1352 36.68      
11 A' 1376 1314 3.15      
12 A' 1237 1181 63.24      
13 A' 1147 1095 23.76      
14 A' 1006 960 2.71      
15 A' 956 913 16.29      
16 A' 905 864 6.46      
17 A' 793 757 6.77      
18 A' 589 563 0.30      
19 A' 544 519 2.34      
20 A' 465 444 3.42      
21 A" 3055 2917 2.57      
22 A" 1197 1143 0.01      
23 A" 1031 985 2.09      
24 A" 998 952 6.36      
25 A" 870 831 23.35      
26 A" 794 758 16.30      
27 A" 601 574 5.13      
28 A" 368 351 1.39      
29 A" 302 288 4.00      
30 A" 63 60 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 20211.6 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 19298.0 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
0.18049 0.09357 0.06232

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 -1.255 0.401 0.000
C2 0.000 1.078 0.000
C3 1.243 0.284 0.000
C4 1.221 -1.051 0.000
C5 -0.070 -1.784 0.000
C6 -1.256 -0.874 0.000
O7 0.020 2.291 0.000
H8 2.166 0.852 0.000
H9 2.141 -1.628 0.000
H10 -0.142 -2.456 0.867
H11 -2.233 -1.365 0.000
H12 -0.142 -2.456 -0.867

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.42642.50152.87092.48561.27532.27993.45133.95683.18672.01863.1867
C21.42641.47562.45492.86292.32151.21242.17823.45143.64233.31013.6423
C32.50151.47561.33512.44932.75432.35011.08372.11253.19063.84763.1906
C42.87092.45491.33511.48442.48323.55092.12471.08622.14133.46852.1413
C52.48562.86292.44931.48441.49444.07523.45632.21671.09962.20331.0996
C61.27532.32152.75432.48321.49443.41243.83273.47972.12001.09362.1200
O72.27991.21242.35013.55094.07523.41242.58364.45614.82834.29434.8283
H83.45132.17821.08372.12473.45633.83272.58362.48034.12624.92634.1262
H93.95683.45142.11251.08622.21673.47974.45612.48032.57914.38232.5791
H103.18673.64233.19062.14131.09962.12004.82834.12622.57912.51271.7334
H112.01863.31013.84763.46852.20331.09364.29434.92634.38232.51272.5127
H123.18673.64233.19062.14131.09962.12004.82834.12622.57911.73342.5127

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 119.068 N1 C2 O7 119.318
N1 C6 C5 127.470 N1 C6 H11 116.677
C2 N1 C6 118.366 C2 C3 C4 121.631
C2 C3 H8 115.811 C3 C2 O7 121.614
C3 C4 C5 120.519 C3 C4 H9 121.153
C4 C3 H8 122.558 C4 C5 C6 112.946
C4 C5 H10 111.051 C4 C5 H12 111.051
C5 C4 H9 118.328 C5 C6 H11 115.852
C6 C5 H10 108.670 C6 C5 H12 108.670
H10 C5 H12 104.037
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 -0.409      
2 C 0.515      
3 C -0.120      
4 C -0.091      
5 C -0.319      
6 C 0.113      
7 O -0.444      
8 H 0.138      
9 H 0.135      
10 H 0.173      
11 H 0.135      
12 H 0.173      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.463 -5.491 0.000 5.683
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.289 2.842 0.000
y 2.842 -42.412 0.000
z 0.000 0.000 -39.500
Traceless
 xyz
x 2.667 2.842 0.000
y 2.842 -3.518 0.000
z 0.000 0.000 0.851
Polar
3z2-r21.702
x2-y24.123
xy2.842
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.137 0.418 0.000
y 0.418 12.526 0.000
z 0.000 0.000 4.252


<r2> (average value of r2) Å2
<r2> 177.755
(<r2>)1/2 13.332