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: B3LYP/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A'
Energy calculated at B3LYP/6-31+G**
 hartrees
Energy at 0K-323.529206
Energy at 298.15K-323.535712
Nuclear repulsion energy273.110438
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 B3LYP/6-31+G**
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' 3664 3533 102.05      
2 A' 3231 3115 0.50      
3 A' 3230 3114 7.13      
4 A' 3211 3096 4.95      
5 A' 3211 3096 3.37      
6 A' 1711 1650 571.09      
7 A' 1666 1606 21.01      
8 A' 1625 1567 5.90      
9 A' 1537 1482 100.68      
10 A' 1436 1385 0.25      
11 A' 1417 1366 0.14      
12 A' 1266 1221 9.75      
13 A' 1254 1209 0.67      
14 A' 1204 1161 18.89      
15 A' 1078 1039 2.84      
16 A' 1022 985 0.54      
17 A' 999 963 59.26      
18 A' 816 786 3.70      
19 A' 626 604 1.83      
20 A' 520 501 8.23      
21 A' 456 439 5.08      
22 A" 963 928 0.00      
23 A" 956 921 0.00      
24 A" 848 817 77.10      
25 A" 801 772 0.00      
26 A" 712 687 19.39      
27 A" 530 511 34.92      
28 A" 423 407 66.06      
29 A" 420 405 0.00      
30 A" 158 153 0.70      

Unscaled Zero Point Vibrational Energy (zpe) 20493.4 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 19759.7 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 B3LYP/6-31+G**
ABC
0.18974 0.08973 0.06092

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 -1.731 0.000
C2 1.194 -1.050 0.000
C3 1.229 0.308 0.000
C4 0.000 1.108 0.000
C5 -1.229 0.308 0.000
C6 -1.194 -1.050 0.000
O7 0.000 2.347 0.000
H8 2.086 -1.667 0.000
H9 2.180 0.830 0.000
H10 -2.180 0.830 0.000
H11 -2.086 -1.667 0.000
H12 0.000 -2.739 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.37462.38072.83902.38071.37464.07752.08753.36253.36252.08751.0084
C21.37461.35862.46672.77812.38853.60071.08462.12243.86223.33822.0686
C32.38071.35861.46672.45842.77812.38062.15291.08423.44863.85923.2858
C42.83902.46671.46671.46672.46671.23853.47192.19742.19743.47193.8474
C52.38072.77812.45841.46671.35862.38063.85923.44861.08422.15293.2858
C61.37462.38852.77812.46671.35863.60073.33823.86222.12241.08462.0686
O74.07753.60072.38061.23852.38063.60074.52352.65572.65574.52355.0859
H82.08751.08462.15293.47193.85923.33824.52352.49814.94294.17302.3459
H93.36252.12241.08422.19743.44863.86222.65572.49814.35944.94294.1818
H103.36253.86223.44862.19741.08422.12242.65574.94294.35942.49814.1818
H112.08753.33823.85923.47192.15291.08464.52354.17304.94292.49812.3459
H121.00842.06863.28583.84743.28582.06865.08592.34594.18184.18182.3459

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 121.158 N1 C2 H8 115.667
N1 C6 C5 121.158 N1 C6 H11 115.667
C2 N1 C6 120.636 C2 N1 H12 119.682
C2 C3 C4 121.587 C2 C3 H9 120.232
C3 C2 H8 123.176 C3 C4 C5 113.875
C3 C4 O7 123.063 C4 C3 H9 118.181
C4 C5 C6 121.587 C4 C5 H10 118.181
C5 C4 O7 123.063 C5 C6 H11 123.176
C6 N1 H12 119.682 C6 C5 H10 120.232
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.281      
2 C -0.302      
3 C 0.398      
4 C -0.239      
5 C 0.398      
6 C -0.302      
7 O -0.559      
8 H 0.146      
9 H 0.144      
10 H 0.144      
11 H 0.146      
12 H 0.307      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 -7.204 0.000 7.204
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.764 0.000 0.000
y 0.000 -43.268 0.000
z 0.000 0.000 -43.669
Traceless
 xyz
x 8.704 0.000 0.000
y 0.000 -4.051 0.000
z 0.000 0.000 -4.653
Polar
3z2-r2-9.306
x2-y28.504
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.473 0.000 0.000
y 0.000 13.970 0.000
z 0.000 0.000 5.882


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