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All results from a given calculation for C5H5NO (4(1H)-Pryidinone)

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A'
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-321.587719
Energy at 298.15K-321.594503
Nuclear repulsion energy273.280364
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 B1B95/3-21G
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' 3613 3457 103.81      
2 A' 3270 3128 0.20      
3 A' 3267 3126 4.26      
4 A' 3234 3094 4.49      
5 A' 3232 3092 5.26      
6 A' 1739 1664 325.19      
7 A' 1677 1605 4.63      
8 A' 1654 1583 10.69      
9 A' 1529 1463 101.16      
10 A' 1456 1393 0.68      
11 A' 1434 1372 1.23      
12 A' 1295 1239 5.33      
13 A' 1262 1207 7.71      
14 A' 1243 1189 11.02      
15 A' 1069 1023 5.49      
16 A' 1039 994 5.60      
17 A' 1015 971 42.17      
18 A' 811 776 1.86      
19 A' 632 605 1.36      
20 A' 533 510 6.77      
21 A' 442 423 4.07      
22 A" 1048 1003 9.45      
23 A" 1040 995 0.00      
24 A" 916 877 72.97      
25 A" 845 808 0.00      
26 A" 770 737 2.96      
27 A" 623 596 159.18      
28 A" 497 476 34.77      
29 A" 439 420 0.00      
30 A" 180 172 0.21      

Unscaled Zero Point Vibrational Energy (zpe) 20901.4 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 19996.4 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 B1B95/3-21G
ABC
0.19196 0.08909 0.06085

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.739 0.000 0.000
C2 1.049 -1.189 0.000
C3 -0.301 -1.218 0.000
C4 -1.115 0.000 0.000
C5 -0.301 1.218 0.000
C6 1.049 1.189 0.000
O7 -2.360 0.000 0.000
H8 1.651 -2.088 0.000
H9 -0.818 -2.166 0.000
H10 -0.818 2.166 0.000
H11 1.651 2.088 0.000
H12 2.750 0.000 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.37522.37582.85392.37581.37524.09962.08963.35143.35142.08961.0110
C21.37521.34982.46912.76012.37893.61091.08152.10713.84013.33212.0758
C32.37581.34981.46522.43642.76012.39322.13681.08013.42383.83923.2850
C42.85392.46911.46521.46522.46911.24573.46552.18652.18653.46553.8649
C52.37582.76012.43641.46521.34982.39323.83923.42381.08012.13683.2850
C61.37522.37892.76012.46911.34983.61093.33213.84012.10711.08152.0758
O74.09963.61092.39321.24572.39323.61094.52252.65922.65924.52255.1106
H82.08961.08152.13683.46553.83923.33214.52252.47064.91884.17552.3593
H93.35142.10711.08012.18653.42383.84012.65922.47064.33254.91884.1743
H103.35143.84013.42382.18651.08012.10712.65924.91884.33252.47064.1743
H112.08963.33213.83923.46552.13681.08154.52254.17554.91882.47062.3593
H121.01102.07583.28503.86493.28502.07585.11062.35934.17434.17432.3593

picture of 4(1H)-Pryidinone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 121.346 N1 C2 H8 116.029
N1 C6 C5 121.346 N1 C6 H11 116.029
C2 N1 C6 119.748 C2 N1 H12 120.126
C2 C3 C4 122.535 C2 C3 H9 119.850
C3 C2 H8 122.625 C3 C4 C5 112.489
C3 C4 O7 123.756 C4 C3 H9 117.615
C4 C5 C6 122.535 C4 C5 H10 117.615
C5 C4 O7 123.756 C5 C6 H11 122.625
C6 N1 H12 120.126 C6 C5 H10 119.850
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.777      
2 C 0.104      
3 C -0.300      
4 C 0.389      
5 C -0.300      
6 C 0.104      
7 O -0.529      
8 H 0.249      
9 H 0.230      
10 H 0.230      
11 H 0.249      
12 H 0.350      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  6.563 0.000 0.000 6.563
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.849 0.000 0.000
y 0.000 -33.568 0.000
z 0.000 0.000 -43.089
Traceless
 xyz
x -1.521 0.000 0.000
y 0.000 7.902 0.000
z 0.000 0.000 -6.381
Polar
3z2-r2-12.761
x2-y2-6.282
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.538 0.000 0.000
y 0.000 8.522 0.000
z 0.000 0.000 2.417


<r2> (average value of r2) Å2
<r2> 178.991
(<r2>)1/2 13.379