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All results from a given calculation for C5H5NO (3(4H)-Pyridinone)

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at LSDA/6-31G(2df,p)
 hartrees
Energy at 0K-321.721052
Energy at 298.15K-321.727031
Nuclear repulsion energy273.239260
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(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 3124 3074 18.41      
2 A 3105 3055 0.47      
3 A 3057 3008 9.00      
4 A 2986 2938 1.03      
5 A 2946 2899 2.91      
6 A 1766 1738 165.69      
7 A 1660 1634 13.16      
8 A 1593 1568 14.11      
9 A 1377 1355 0.84      
10 A 1310 1289 6.39      
11 A 1298 1278 16.63      
12 A 1288 1267 24.16      
13 A 1214 1195 8.71      
14 A 1181 1162 0.15      
15 A 1107 1090 4.27      
16 A 1025 1009 8.76      
17 A 967 951 12.78      
18 A 956 941 2.41      
19 A 946 931 0.27      
20 A 922 908 7.04      
21 A 830 817 0.17      
22 A 757 745 11.23      
23 A 735 723 19.88      
24 A 579 569 4.18      
25 A 526 518 8.46      
26 A 486 479 15.88      
27 A 424 417 12.12      
28 A 388 381 14.44      
29 A 261 256 0.48      
30 A 30 29 7.43      

Unscaled Zero Point Vibrational Energy (zpe) 19422.4 cm-1
Scaled (by 0.984) Zero Point Vibrational Energy (zpe) 19111.6 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(2df,p)
ABC
0.17987 0.09334 0.06219

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.010 -1.310 0.007
C2 0.273 -1.239 0.033
C3 1.053 0.007 0.004
C4 0.245 1.275 0.040
C5 -1.216 1.088 -0.018
C6 -1.750 -0.142 -0.029
O7 2.268 -0.006 -0.048
H8 0.864 -2.168 0.051
H9 0.525 1.817 0.968
H10 -1.863 1.972 -0.043
H11 -2.835 -0.290 -0.066
H12 0.609 1.950 -0.759

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.28542.44712.87302.40711.38323.52772.06183.61323.39142.09223.7193
C21.28541.46982.51372.76372.30282.34611.10143.20573.85763.25173.3029
C32.44711.46981.50412.51402.80761.21582.18362.11813.51693.90002.1345
C42.87302.51371.50411.47402.44802.39563.49821.11092.22173.45591.1079
C52.40712.76372.51401.47401.34143.65183.86512.12961.09542.12652.1499
C61.38322.30282.80762.44801.34144.02043.30883.16362.11731.09523.2366
O73.52772.34611.21582.39563.65184.02042.57992.71924.57975.11062.6612
H82.06181.10142.18363.49823.86513.30882.57994.10354.95884.15064.2049
H93.61323.20572.11811.11092.12963.16362.71924.10352.59764.09821.7347
H103.39143.85763.51692.22171.09542.11734.57974.95882.59762.46212.5734
H112.09223.25173.90003.45592.12651.09525.11064.15064.09822.46214.1662
H123.71933.30292.13451.10792.14993.23662.66124.20491.73472.57344.1662

picture of 3(4H)-Pyridinone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 125.160 N1 C2 H8 119.298
N1 C6 C5 124.118 N1 C6 H11 114.665
C2 N1 C6 119.242 C2 C3 C4 115.396
C2 C3 O7 121.475 C3 C2 H8 115.520
C3 C4 C5 115.163 C3 C4 H9 107.228
C3 C4 H12 108.662 C4 C3 O7 123.129
C4 C5 C6 120.726 C4 C5 H10 118.950
C5 C4 H9 110.150 C5 C4 H12 111.971
C5 C6 H11 121.217 C6 C5 H10 120.321
H9 C4 H12 102.853
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.124      
2 C -0.140      
3 C 0.324      
4 C -0.499      
5 C -0.068      
6 C -0.069      
7 O -0.275      
8 H 0.155      
9 H 0.208      
10 H 0.144      
11 H 0.143      
12 H 0.202      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.886 2.254 0.157 2.943
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.243 -2.829 0.391
y -2.829 -37.377 0.091
z 0.391 0.091 -39.315
Traceless
 xyz
x -6.897 -2.829 0.391
y -2.829 4.902 0.091
z 0.391 0.091 1.996
Polar
3z2-r23.992
x2-y2-7.866
xy-2.829
xz0.391
yz0.091


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.632 -0.748 0.041
y -0.748 10.261 -0.007
z 0.041 -0.007 4.855


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