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 (2(1H)-Pyridinone)

using model chemistry: B97D3/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/cc-pVTZ
 hartrees
Energy at 0K-323.434150
Energy at 298.15K-323.440716
HF Energy-323.434150
Nuclear repulsion energy274.612114
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 B97D3/cc-pVTZ
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' 3538 3488 42.44      
2 A' 3176 3131 6.05      
3 A' 3163 3118 5.20      
4 A' 3144 3100 5.00      
5 A' 3114 3071 15.36      
6 A' 1717 1693 518.02      
7 A' 1621 1598 35.96      
8 A' 1544 1523 42.00      
9 A' 1460 1440 1.14      
10 A' 1424 1404 4.61      
11 A' 1359 1340 1.78      
12 A' 1210 1193 23.62      
13 A' 1194 1177 0.56      
14 A' 1135 1119 18.58      
15 A' 1087 1072 16.67      
16 A' 1003 989 3.82      
17 A' 982 968 11.40      
18 A' 794 782 8.66      
19 A' 604 596 1.16      
20 A' 536 529 5.25      
21 A' 446 440 5.90      
22 A" 978 964 0.04      
23 A" 913 900 0.07      
24 A" 834 822 13.96      
25 A" 747 737 57.52      
26 A" 718 708 4.68      
27 A" 688 678 34.11      
28 A" 471 465 36.63      
29 A" 380 375 1.33      
30 A" 162 160 2.43      

Unscaled Zero Point Vibrational Energy (zpe) 20070.3 cm-1
Scaled (by 0.986) Zero Point Vibrational Energy (zpe) 19789.3 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 B97D3/cc-pVTZ
ABC
0.18844 0.09250 0.06204

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.142 0.226 0.000
C2 0.000 1.072 0.000
C3 1.245 0.328 0.000
C4 1.269 -1.039 0.000
C5 0.069 -1.804 0.000
C6 -1.121 -1.134 0.000
O7 -0.142 2.290 0.000
H8 2.154 0.918 0.000
H9 2.224 -1.558 0.000
H10 0.086 -2.887 0.000
H11 -2.085 -1.631 0.000
H12 -2.025 0.721 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.42122.38922.72332.36491.36102.29393.36853.81063.34682.08301.0118
C21.42121.44982.46322.87712.47451.22692.15993.44473.95943.41372.0555
C32.38921.44981.36792.43512.78102.40251.08392.12593.41733.86353.2934
C42.72332.46321.36791.42272.39143.61632.14801.08742.19343.40573.7349
C52.36492.87712.43511.42271.36574.10043.42882.16901.08232.16143.2808
C61.36102.47452.78102.39141.36573.56213.86483.37182.12771.08492.0639
O72.29391.22692.40253.61634.10043.56212.67524.51795.18214.37682.4520
H83.36852.15991.08392.14803.42883.86482.67522.47694.33014.94664.1843
H93.81063.44472.12591.08742.16903.37184.51792.47692.51714.31014.8222
H103.34683.95943.41732.19341.08232.12775.18214.33012.51712.50824.1799
H112.08303.41373.86353.40572.16141.08494.37684.94664.31012.50822.3526
H121.01182.05553.29343.73493.28082.06392.45204.18434.82224.17992.3526

picture of 2(1H)-Pyridinone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 112.846 N1 C2 O7 119.914
N1 C6 C5 120.184 N1 C6 H11 116.207
C2 N1 C6 125.615 C2 N1 H12 114.235
C2 C3 C4 121.770 C2 C3 H8 116.297
C3 C2 O7 127.240 C3 C4 C5 121.417
C3 C4 H9 119.527 C4 C3 H8 121.934
C4 C5 C6 118.168 C4 C5 H10 121.582
C5 C4 H9 119.057 C5 C6 H11 123.608
C6 N1 H12 120.150 C6 C5 H10 120.250
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.012      
2 C 0.152      
3 C -0.143      
4 C -0.075      
5 C -0.131      
6 C -0.048      
7 O -0.341      
8 H 0.116      
9 H 0.105      
10 H 0.110      
11 H 0.108      
12 H 0.136      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.201 -3.897 0.000 4.078
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.567 0.197 0.000
y 0.197 -46.723 0.000
z 0.000 0.000 -42.455
Traceless
 xyz
x 13.022 0.197 0.000
y 0.197 -9.713 0.000
z 0.000 0.000 -3.310
Polar
3z2-r2-6.619
x2-y215.157
xy0.197
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.091 0.043 0.000
y 0.043 13.231 0.000
z 0.000 0.000 5.087


<r2> (average value of r2) Å2
<r2> 177.390
(<r2>)1/2 13.319