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: wB97X-D/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 wB97X-D/cc-pVTZ
 hartrees
Energy at 0K-323.523418
Energy at 298.15K-323.530190
HF Energy-323.523418
Nuclear repulsion energy276.569553
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 wB97X-D/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' 3642 3482 62.45      
2 A' 3258 3115 3.44      
3 A' 3236 3094 2.30      
4 A' 3234 3091 1.07      
5 A' 3203 3062 9.27      
6 A' 1801 1722 650.82      
7 A' 1703 1628 41.83      
8 A' 1616 1545 67.44      
9 A' 1513 1446 1.49      
10 A' 1471 1406 6.74      
11 A' 1400 1339 3.49      
12 A' 1267 1211 21.42      
13 A' 1242 1187 10.26      
14 A' 1181 1129 16.78      
15 A' 1123 1074 16.94      
16 A' 1029 984 5.23      
17 A' 1010 965 13.02      
18 A' 835 798 8.97      
19 A' 622 594 0.31      
20 A' 555 530 7.16      
21 A' 464 443 6.85      
22 A" 1029 984 0.19      
23 A" 964 921 0.02      
24 A" 873 835 23.04      
25 A" 783 749 47.61      
26 A" 746 713 16.09      
27 A" 712 681 42.66      
28 A" 497 475 41.01      
29 A" 393 376 1.41      
30 A" 174 166 2.74      

Unscaled Zero Point Vibrational Energy (zpe) 20786.1 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 19871.5 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 wB97X-D/cc-pVTZ
ABC
0.19073 0.09402 0.06298

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.130 0.236 0.000
C2 0.000 1.058 0.000
C3 1.241 0.320 0.000
C4 1.258 -1.033 0.000
C5 0.057 -1.791 0.000
C6 -1.115 -1.120 0.000
O7 -0.134 2.267 0.000
H8 2.150 0.903 0.000
H9 2.208 -1.551 0.000
H10 0.068 -2.869 0.000
H11 -2.079 -1.605 0.000
H12 -2.006 0.734 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.39762.37302.70462.34881.35552.26283.34733.78643.32722.07111.0076
C21.39761.44372.44022.84892.44641.21732.15523.41763.92663.37852.0321
C32.37301.44371.35342.41992.76152.38421.07962.10613.39753.83823.2735
C42.70462.44021.35341.41952.37493.58242.13191.08192.18743.38603.7119
C52.34882.84892.41991.41951.35114.06273.41092.16381.07782.14483.2608
C61.35552.44642.76152.37491.35113.52643.84093.35112.11121.07932.0567
O72.26281.21732.38423.58244.06273.52642.66044.47975.13994.33372.4197
H83.34732.15521.07962.13193.41093.84092.66042.45504.30814.91704.1592
H93.78643.41762.10611.08192.16383.35114.47972.45502.51324.28764.7937
H103.32723.92663.39752.18741.07782.11125.13994.30812.51322.49104.1567
H112.07113.37853.83823.38602.14481.07934.33374.91704.28762.49102.3404
H121.00762.03213.27353.71193.26082.05672.41974.15924.79374.15672.3404

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 113.253 N1 C2 O7 119.685
N1 C6 C5 120.407 N1 C6 H11 116.094
C2 N1 C6 125.387 C2 N1 H12 114.335
C2 C3 C4 121.440 C2 C3 H8 116.580
C3 C2 O7 127.062 C3 C4 C5 121.530
C3 C4 H9 119.312 C4 C3 H8 121.979
C4 C5 C6 117.982 C4 C5 H10 121.706
C5 C4 H9 119.159 C5 C6 H11 123.499
C6 N1 H12 120.278 C6 C5 H10 120.312
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.004      
2 C 0.179      
3 C -0.172      
4 C -0.092      
5 C -0.160      
6 C -0.048      
7 O -0.364      
8 H 0.141      
9 H 0.123      
10 H 0.134      
11 H 0.121      
12 H 0.143      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.223 -4.065 0.000 4.245
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.973 0.051 0.000
y 0.051 -46.778 0.000
z 0.000 0.000 -42.538
Traceless
 xyz
x 13.685 0.051 0.000
y 0.051 -10.022 0.000
z 0.000 0.000 -3.663
Polar
3z2-r2-7.325
x2-y215.805
xy0.051
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.511 0.009 0.000
y 0.009 12.692 0.000
z 0.000 0.000 5.036


<r2> (average value of r2) Å2
<r2> 175.100
(<r2>)1/2 13.233