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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-323.251154
Energy at 298.15K-323.257554
Nuclear repulsion energy271.512451
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' 3255 3104 6.10      
2 A' 3214 3066 7.47      
3 A' 3160 3014 34.70      
4 A' 3030 2889 2.71      
5 A' 1750 1669 224.06      
6 A' 1730 1650 0.48      
7 A' 1675 1598 111.61      
8 A' 1469 1401 34.94      
9 A' 1444 1377 15.53      
10 A' 1430 1363 16.10      
11 A' 1388 1324 22.98      
12 A' 1257 1199 44.35      
13 A' 1168 1114 36.12      
14 A' 1031 983 3.44      
15 A' 958 914 16.66      
16 A' 912 870 9.42      
17 A' 790 753 7.61      
18 A' 604 576 0.29      
19 A' 547 521 1.59      
20 A' 468 447 3.88      
21 A" 3056 2915 2.67      
22 A" 1220 1164 0.03      
23 A" 1059 1010 1.17      
24 A" 1017 970 7.99      
25 A" 881 840 28.76      
26 A" 810 773 20.42      
27 A" 624 595 8.81      
28 A" 382 364 1.92      
29 A" 318 303 4.29      
30 A" 76 72 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 20360.3 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 19417.6 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
0.18005 0.09192 0.06153

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 -1.256 0.384 0.000
C2 0.000 1.083 0.000
C3 1.243 0.299 0.000
C4 1.227 -1.042 0.000
C5 -0.057 -1.798 0.000
C6 -1.258 -0.903 0.000
O7 0.001 2.318 0.000
H8 2.164 0.869 0.000
H9 2.152 -1.610 0.000
H10 -0.114 -2.471 0.869
H11 -2.232 -1.391 0.000
H12 -0.114 -2.471 -0.869

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.43682.50002.86312.48951.28692.30663.45353.94813.19582.02593.1958
C21.43681.46902.45332.88102.35031.23582.17423.44673.66013.33163.6601
C32.50001.46901.34142.46762.77492.37021.08272.11473.20483.86413.2048
C42.86312.45331.34141.49032.48903.57682.12801.08542.14363.47642.1436
C52.48952.88102.46761.49031.49784.11663.47052.21701.10092.21231.1009
C61.28692.35032.77492.48901.49783.45843.85323.48242.12741.08932.1274
O72.30661.23582.37023.57684.11663.45842.60344.47854.86904.32964.8690
H83.45352.17421.08272.12803.47053.85322.60342.47894.13474.94244.1347
H93.94813.44672.11471.08542.21703.48244.47852.47892.57454.38902.5745
H103.19583.66013.20482.14361.10092.12744.86904.13472.57452.53181.7384
H112.02593.33163.86413.47642.21231.08934.32964.94244.38902.53182.5318
H123.19583.66013.20482.14361.10092.12744.86904.13472.57451.73842.5318

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 118.705 N1 C2 O7 119.134
N1 C6 C5 126.595 N1 C6 H11 116.742
C2 N1 C6 119.189 C2 C3 C4 121.536
C2 C3 H8 116.053 C3 C2 O7 122.161
C3 C4 C5 121.163 C3 C4 H9 120.886
C4 C3 H8 122.411 C4 C5 C6 112.812
C4 C5 H10 110.744 C4 C5 H12 110.744
C5 C4 H9 117.951 C5 C6 H11 116.663
C6 C5 H10 108.943 C6 C5 H12 108.943
H10 C5 H12 104.288
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 -0.328      
2 C 0.348      
3 C -0.114      
4 C -0.118      
5 C -0.423      
6 C 0.044      
7 O -0.388      
8 H 0.187      
9 H 0.178      
10 H 0.215      
11 H 0.183      
12 H 0.215      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.833 -5.996 0.000 6.269
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.997 3.290 0.000
y 3.290 -43.658 0.000
z 0.000 0.000 -39.993
Traceless
 xyz
x 2.828 3.290 0.000
y 3.290 -4.163 0.000
z 0.000 0.000 1.334
Polar
3z2-r22.669
x2-y24.660
xy3.290
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.790 0.376 0.000
y 0.376 12.834 0.000
z 0.000 0.000 3.949


<r2> (average value of r2) Å2
<r2> 180.108
(<r2>)1/2 13.420