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All results from a given calculation for C5H5NO (2(5H)-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 CS 1A'
Energy calculated at LSDA/6-31G(2df,p)
 hartrees
Energy at 0K-321.732653
Energy at 298.15K-321.738795
Nuclear repulsion energy273.929721
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' 3136 3086 2.06      
2 A' 3100 3050 4.08      
3 A' 2999 2951 29.74      
4 A' 2931 2884 0.52      
5 A' 1776 1747 188.10      
6 A' 1705 1677 109.07      
7 A' 1656 1630 35.58      
8 A' 1375 1353 22.27      
9 A' 1367 1345 34.93      
10 A' 1325 1304 33.43      
11 A' 1320 1298 19.64      
12 A' 1199 1180 48.75      
13 A' 1095 1078 13.43      
14 A' 981 965 4.22      
15 A' 932 918 17.23      
16 A' 901 886 9.55      
17 A' 794 781 4.91      
18 A' 579 570 0.46      
19 A' 536 527 1.92      
20 A' 454 447 2.35      
21 A" 2950 2903 0.00      
22 A" 1129 1111 0.01      
23 A" 995 979 0.28      
24 A" 958 943 8.45      
25 A" 857 843 20.67      
26 A" 762 750 7.91      
27 A" 578 569 7.18      
28 A" 359 353 0.86      
29 A" 297 292 4.71      
30 A" 44 43 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 19544.1 cm-1
Scaled (by 0.984) Zero Point Vibrational Energy (zpe) 19231.4 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 LSDA/6-31G(2df,p)
ABC
0.18311 0.09388 0.06276

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.243 0.399 0.000
C2 0.000 1.076 0.000
C3 1.231 0.286 0.000
C4 1.213 -1.050 0.000
C5 -0.069 -1.773 0.000
C6 -1.248 -0.876 0.000
O7 0.020 2.288 0.000
H8 2.159 0.865 0.000
H9 2.141 -1.633 0.000
H10 -0.146 -2.465 0.867
H11 -2.234 -1.375 0.000
H12 -0.146 -2.465 -0.867

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.41482.47612.85162.46891.27542.27203.43353.94773.18702.03273.1870
C21.41481.46252.44762.84912.31621.21262.16923.45313.64753.31633.6475
C32.47611.46251.33612.43422.73692.33991.09442.12413.19503.84243.1950
C42.85162.44761.33611.47132.46653.54502.13661.09642.14373.46232.1437
C52.46892.84912.43421.47131.48094.06163.45292.21481.11152.20151.1115
C61.27542.31622.73692.46651.48093.40853.82573.47252.11871.10582.1187
O72.27201.21262.33993.54504.06163.40852.56884.45834.83374.30134.8337
H83.43352.16921.09442.13663.45293.82572.56882.49874.14114.93154.1411
H93.94773.45312.12411.09642.21483.47254.45832.49872.58294.38332.5829
H103.18703.64753.19502.14371.11152.11874.83374.14112.58292.51021.7332
H112.03273.31633.84243.46232.20151.10584.30134.93154.38332.51022.5102
H123.18703.64753.19502.14371.11152.11874.83374.14112.58291.73322.5102

picture of 2(5H)-Pyridinone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 118.752 N1 C2 O7 119.508
N1 C6 C5 127.051 N1 C6 H11 117.048
C2 N1 C6 118.766 C2 C3 C4 121.928
C2 C3 H8 115.318 C3 C2 O7 121.740
C3 C4 C5 120.169 C3 C4 H9 121.352
C4 C3 H8 122.755 C4 C5 C6 113.334
C4 C5 H10 111.438 C4 C5 H12 111.438
C5 C4 H9 118.479 C5 C6 H11 115.900
C6 C5 H10 108.791 C6 C5 H12 108.791
H10 C5 H12 102.457
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 -0.158      
2 C 0.298      
3 C -0.155      
4 C -0.099      
5 C -0.413      
6 C -0.027      
7 O -0.273      
8 H 0.149      
9 H 0.147      
10 H 0.192      
11 H 0.148      
12 H 0.192      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.406 -5.441 0.000 5.620
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.243 2.680 0.000
y 2.680 -41.922 0.000
z 0.000 0.000 -39.369
Traceless
 xyz
x 2.402 2.680 0.000
y 2.680 -3.116 0.000
z 0.000 0.000 0.714
Polar
3z2-r21.428
x2-y23.678
xy2.680
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.864 0.398 0.000
y 0.398 12.894 0.000
z 0.000 0.000 4.845


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