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

using model chemistry: B1B95/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-323.367350
Energy at 298.15K-323.373561
Nuclear repulsion energy272.707811
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(2df,p)
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' 3215 3079 5.47      
2 A' 3187 3052 9.75      
3 A' 3132 2999 31.64      
4 A' 3045 2916 3.24      
5 A' 1802 1725 201.59      
6 A' 1733 1659 13.58      
7 A' 1661 1590 11.63      
8 A' 1423 1363 20.95      
9 A' 1402 1342 1.34      
10 A' 1379 1320 15.16      
11 A' 1324 1268 12.84      
12 A' 1253 1200 12.82      
13 A' 1148 1099 8.00      
14 A' 1039 995 25.45      
15 A' 979 938 5.57      
16 A' 941 902 10.29      
17 A' 765 733 11.28      
18 A' 550 527 5.11      
19 A' 508 487 9.22      
20 A' 436 418 16.46      
21 A" 3074 2944 0.45      
22 A" 1228 1176 4.24      
23 A" 1038 994 0.09      
24 A" 1003 960 1.15      
25 A" 927 888 2.05      
26 A" 788 755 27.62      
27 A" 539 516 0.12      
28 A" 462 442 3.01      
29 A" 256 245 2.35      
30 A" 50 48 11.29      

Unscaled Zero Point Vibrational Energy (zpe) 20141.9 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 19289.9 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(2df,p)
ABC
0.17850 0.09290 0.06177

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.151 -1.238 0.000
C2 -1.251 0.200 0.000
C3 0.000 1.059 0.000
C4 1.275 0.334 0.000
C5 1.270 -1.006 0.000
C6 0.013 -1.751 0.000
O7 -0.065 2.269 0.000
H8 -1.861 0.495 0.863
H9 2.183 0.926 0.000
H10 2.196 -1.573 0.000
H11 0.077 -2.839 0.000
H12 -1.861 0.495 -0.863

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.44132.56932.89072.43271.27263.67162.06213.97493.36412.01832.0621
C21.44131.51802.52992.79552.32512.38551.09713.51053.87683.31701.0971
C32.56931.51801.46682.42472.81021.21192.12762.18723.42803.89922.1276
C42.89072.52991.46681.33992.43692.35373.25661.08422.11773.39173.2566
C52.43272.79552.42471.33991.46133.53703.57852.13681.08552.18743.5785
C61.27262.32512.81022.43691.46134.02113.05023.44592.19011.09013.0502
O73.67162.38551.21192.35373.53704.02112.66832.61854.45805.11062.6683
H82.06211.09712.12763.25663.57853.05022.66834.15774.63513.95231.7261
H93.97493.51052.18721.08422.13683.44592.61854.15772.49904.31424.1577
H103.36413.87683.42802.11771.08552.19014.45804.63512.49902.46864.6351
H112.01833.31703.89923.39172.18741.09015.11063.95234.31422.46863.9523
H122.06211.09712.12763.25663.57853.05022.66831.72614.15774.63513.9523

picture of 3(2H)-Pyridinone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 120.482 N1 C2 H8 107.882
N1 C2 H12 107.882 N1 C6 C5 125.566
N1 C6 H11 117.139 C2 N1 C6 117.772
C2 C3 C4 115.896 C2 C3 O7 121.415
C3 C2 H8 107.810 C3 C2 H12 107.810
C3 C4 C5 119.444 C3 C4 H9 117.263
C4 C3 O7 122.689 C4 C5 C6 120.840
C4 C5 H10 121.294 C5 C4 H9 123.292
C5 C6 H11 117.295 C6 C5 H10 117.866
H8 C2 H12 103.746
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.242      
2 C -0.264      
3 C 0.359      
4 C -0.178      
5 C -0.098      
6 C 0.021      
7 O -0.348      
8 H 0.175      
9 H 0.139      
10 H 0.133      
11 H 0.128      
12 H 0.175      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.645 -2.225 0.000 2.767
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.714 -3.962 0.000
y -3.962 -45.689 0.000
z 0.000 0.000 -39.185
Traceless
 xyz
x 5.723 -3.962 0.000
y -3.962 -7.739 0.000
z 0.000 0.000 2.016
Polar
3z2-r24.032
x2-y28.975
xy-3.962
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.551 -0.520 0.000
y -0.520 11.393 0.000
z 0.000 0.000 4.767


<r2> (average value of r2) Å2
<r2> 177.387
(<r2>)1/2 13.319