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All results from a given calculation for C5H5NO (2(1H)-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-323.399041
Energy at 298.15K-323.405707
Nuclear repulsion energy275.774927
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' 3642 3478 62.52      
2 A' 3265 3117 3.58      
3 A' 3250 3104 2.22      
4 A' 3234 3088 2.93      
5 A' 3205 3060 11.70      
6 A' 1823 1740 539.42      
7 A' 1699 1622 41.51      
8 A' 1617 1544 62.84      
9 A' 1511 1443 3.03      
10 A' 1462 1396 4.58      
11 A' 1389 1326 1.02      
12 A' 1260 1203 13.91      
13 A' 1226 1171 10.39      
14 A' 1168 1115 11.65      
15 A' 1118 1067 18.64      
16 A' 1034 987 3.60      
17 A' 991 947 11.25      
18 A' 834 796 5.22      
19 A' 610 582 0.25      
20 A' 542 517 6.06      
21 A' 449 429 7.28      
22 A" 1009 963 0.00      
23 A" 943 900 0.03      
24 A" 856 817 17.71      
25 A" 772 737 87.26      
26 A" 740 707 0.18      
27 A" 707 675 35.12      
28 A" 487 465 37.12      
29 A" 388 370 1.60      
30 A" 176 168 2.38      

Unscaled Zero Point Vibrational Energy (zpe) 20703.0 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 19767.2 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
0.19024 0.09327 0.06259

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 -1.132 0.234 0.000
C2 0.000 1.065 0.000
C3 1.242 0.321 0.000
C4 1.261 -1.040 0.000
C5 0.059 -1.800 0.000
C6 -1.119 -1.124 0.000
O7 -0.134 2.280 0.000
H8 2.150 0.909 0.000
H9 2.213 -1.562 0.000
H10 0.071 -2.881 0.000
H11 -2.087 -1.610 0.000
H12 -2.009 0.736 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.40462.37552.71072.35691.35762.27743.35123.79633.33862.07631.0103
C21.40461.44762.45352.86562.45841.22272.15583.43443.94643.39292.0356
C32.37551.44761.36082.42832.76802.39391.08242.11823.40923.84853.2769
C42.71072.45351.36081.42202.38163.60112.14251.08562.19223.39633.7207
C52.35692.86562.42831.42201.35864.08493.42252.16681.08082.15493.2721
C61.35762.45842.76802.38161.35863.54413.85023.36082.12191.08322.0614
O72.27741.22272.39393.60114.08493.54412.66364.50185.16524.35342.4296
H83.35122.15581.08242.14253.42253.85022.66362.47184.32324.92984.1626
H93.79633.43442.11821.08562.16683.36084.50182.47182.51584.30044.8063
H103.33863.94643.40922.19221.08082.12195.16524.32322.51582.50434.1718
H112.07633.39293.84853.39632.15491.08324.35344.92984.30042.50432.3470
H121.01032.03563.27693.72073.27212.06142.42964.16264.80634.17182.3470

picture of 2(1H)-Pyridinone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 112.782 N1 C2 O7 120.021
N1 C6 C5 120.387 N1 C6 H11 116.121
C2 N1 C6 125.747 C2 N1 H12 113.910
C2 C3 C4 121.734 C2 C3 H8 116.137
C3 C2 O7 127.198 C3 C4 C5 121.515
C3 C4 H9 119.531 C4 C3 H8 122.129
C4 C5 C6 117.836 C4 C5 H10 121.712
C5 C4 H9 118.954 C5 C6 H11 123.492
C6 N1 H12 120.343 C6 C5 H10 120.452
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 -0.585      
2 C 0.585      
3 C -0.193      
4 C -0.063      
5 C -0.183      
6 C 0.144      
7 O -0.533      
8 H 0.135      
9 H 0.128      
10 H 0.125      
11 H 0.147      
12 H 0.293      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.262 -3.948 0.000 4.145
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.534 0.114 0.000
y 0.114 -45.621 0.000
z 0.000 0.000 -41.872
Traceless
 xyz
x 13.213 0.114 0.000
y 0.114 -9.418 0.000
z 0.000 0.000 -3.794
Polar
3z2-r2-7.589
x2-y215.087
xy0.114
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.825 0.024 0.000
y 0.024 11.891 0.000
z 0.000 0.000 3.387


<r2> (average value of r2) Å2
<r2> 175.541
(<r2>)1/2 13.249