return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: LSDA/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A'
Energy calculated at LSDA/6-31G*
 hartrees
Energy at 0K-321.741977
Energy at 298.15K-321.748366
Nuclear repulsion energy274.220737
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 LSDA/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' 3566 3499 94.67      
2 A' 3166 3106 0.43      
3 A' 3165 3105 2.02      
4 A' 3143 3084 3.59      
5 A' 3142 3083 4.30      
6 A' 1747 1715 372.70      
7 A' 1676 1645 1.36      
8 A' 1617 1587 0.21      
9 A' 1547 1518 84.08      
10 A' 1403 1377 0.11      
11 A' 1387 1361 0.32      
12 A' 1241 1218 0.25      
13 A' 1229 1206 6.08      
14 A' 1168 1146 8.50      
15 A' 1057 1038 7.98      
16 A' 1018 999 14.36      
17 A' 984 966 21.09      
18 A' 820 805 0.67      
19 A' 610 599 1.07      
20 A' 508 498 7.26      
21 A' 438 430 4.96      
22 A" 923 906 1.87      
23 A" 918 901 0.00      
24 A" 834 818 58.69      
25 A" 773 758 0.00      
26 A" 705 692 20.60      
27 A" 531 521 56.86      
28 A" 432 424 52.44      
29 A" 410 402 0.00      
30 A" 157 154 0.20      

Unscaled Zero Point Vibrational Energy (zpe) 20156.5 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 19779.6 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 LSDA/6-31G*
ABC
0.19258 0.09022 0.06144

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.722 0.000 0.000
C2 1.048 -1.185 0.000
C3 -0.307 -1.217 0.000
C4 -1.106 0.000 0.000
C5 -0.307 1.217 0.000
C6 1.048 1.185 0.000
O7 -2.340 0.000 0.000
H8 1.671 -2.086 0.000
H9 -0.838 -2.173 0.000
H10 -0.838 2.173 0.000
H11 1.671 2.086 0.000
H12 2.740 0.000 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.36332.36522.82792.36521.36334.06202.08633.35743.35742.08631.0179
C21.36331.35542.45922.75782.37093.59011.09492.12903.85193.33002.0653
C32.36521.35541.45582.43312.75782.36982.16061.09413.43103.84943.2801
C42.82792.45921.45581.45582.45921.23423.47362.18972.18973.47363.8458
C52.36522.75782.43311.45581.35542.36983.84943.43101.09412.16063.2801
C61.36332.37092.75782.45921.35543.59013.33003.85192.12901.09492.0653
O74.06203.59012.36981.23422.36983.59014.52162.64212.64214.52165.0800
H82.08631.09492.16063.47363.84943.33004.52162.51064.94304.17152.3433
H93.35742.12901.09412.18973.43103.85192.64212.51064.34624.94304.1855
H103.35743.85193.43102.18971.09412.12902.64214.94304.34622.51064.1855
H112.08633.33003.84943.47362.16061.09494.52164.17154.94302.51062.3433
H121.01792.06533.28013.84583.28012.06535.08002.34334.18554.18552.3433

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 120.910 N1 C2 H8 115.718
N1 C6 C5 120.910 N1 C6 H11 115.718
C2 N1 C6 120.811 C2 N1 H12 119.595
C2 C3 C4 121.999 C2 C3 H9 120.350
C3 C2 H8 123.371 C3 C4 C5 113.370
C3 C4 O7 123.315 C4 C3 H9 117.651
C4 C5 C6 121.999 C4 C5 H10 117.651
C5 C4 O7 123.315 C5 C6 H11 123.371
C6 N1 H12 119.595 C6 C5 H10 120.350
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.556      
2 C 0.030      
3 C -0.237      
4 C 0.381      
5 C -0.237      
6 C 0.030      
7 O -0.488      
8 H 0.187      
9 H 0.171      
10 H 0.171      
11 H 0.187      
12 H 0.361      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  6.680 0.000 0.000 6.680
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.838 0.000 0.000
y 0.000 -33.666 0.000
z 0.000 0.000 -42.152
Traceless
 xyz
x -1.929 0.000 0.000
y 0.000 7.329 0.000
z 0.000 0.000 -5.399
Polar
3z2-r2-10.799
x2-y2-6.172
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.273 0.000 0.000
y 0.000 9.669 0.000
z 0.000 0.000 3.391


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000