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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: wB97X-D/3-21G*

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/3-21G*
 hartrees
Energy at 0K-267.738710
Energy at 298.15K-267.744357
HF Energy-267.738710
Nuclear repulsion energy193.506114
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/3-21G*
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' 3281 3110 6.73      
2 A' 3240 3071 3.32      
3 A' 3216 3048 4.92      
4 A' 3191 3025 3.16      
5 A' 3178 3012 4.24      
6 A' 2931 2778 108.22      
7 A' 1764 1672 223.76      
8 A' 1746 1655 45.96      
9 A' 1697 1608 12.15      
10 A' 1513 1434 5.71      
11 A' 1458 1382 0.21      
12 A' 1388 1315 1.27      
13 A' 1370 1298 2.63      
14 A' 1319 1250 3.44      
15 A' 1219 1155 10.71      
16 A' 1113 1055 118.35      
17 A' 997 945 4.38      
18 A' 621 589 13.68      
19 A' 445 422 0.82      
20 A' 401 380 4.85      
21 A' 159 151 4.91      
22 A" 1080 1023 19.05      
23 A" 1066 1010 26.39      
24 A" 1029 976 76.89      
25 A" 998 946 17.41      
26 A" 921 873 13.35      
27 A" 667 632 4.07      
28 A" 287 272 8.67      
29 A" 210 199 0.97      
30 A" 99 94 1.95      

Unscaled Zero Point Vibrational Energy (zpe) 21301.6 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 20189.6 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 wB97X-D/3-21G*
ABC
0.95975 0.04468 0.04270

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.098 -1.582 0.000
O2 -1.100 -2.811 0.000
C3 0.107 -0.740 0.000
C4 0.000 0.595 0.000
C5 1.131 1.515 0.000
C6 0.991 2.843 0.000
H7 -2.038 -0.995 0.000
H8 1.068 -1.242 0.000
H9 -0.992 1.048 0.000
H10 2.122 1.069 0.000
H11 0.011 3.310 0.000
H12 1.848 3.506 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.22951.46922.43793.81524.89281.10832.19212.63154.17015.01605.8790
O21.22952.39723.57964.86776.02852.04382.67663.86045.04366.22156.9715
C31.46922.39721.33952.47683.69052.15961.08472.09842.70794.05164.5894
C42.43793.57961.33951.45772.45662.58482.12531.09042.17392.71523.4481
C53.81524.86772.47681.45771.33514.04222.75812.17351.08672.11602.1163
C64.89286.02853.69052.45661.33514.88914.08592.67502.10351.08611.0837
H71.10832.04382.15962.58484.04224.88913.11572.29484.64334.76785.9464
H82.19212.67661.08472.12532.75814.08593.11573.08032.54014.67384.8119
H92.63153.86042.09841.09042.17352.67502.29483.08033.11372.47483.7564
H104.17015.04362.70792.17391.08672.10354.64332.54013.11373.07892.4523
H115.01606.22154.05162.71522.11601.08614.76784.67382.47483.07891.8480
H125.87906.97154.58943.44812.11631.08375.94644.81193.75642.45231.8480

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 120.381 C1 C3 H8 117.473
O2 C1 C3 125.082 O2 C1 H7 121.833
C3 C1 H7 113.085 C3 C4 C5 124.567
C3 C4 H9 119.091 C4 C3 H8 122.146
C4 C5 C6 123.132 C4 C5 H10 116.630
C5 C4 H9 116.342 C5 C6 H11 121.492
C5 C6 H12 121.722 C6 C5 H10 120.238
H11 C6 H12 116.785
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.247      
2 O -0.449      
3 C -0.304      
4 C -0.192      
5 C -0.222      
6 C -0.407      
7 H 0.174      
8 H 0.242      
9 H 0.229      
10 H 0.232      
11 H 0.221      
12 H 0.229      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.905 3.692 0.000 3.802
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.169 -3.215 0.000
y -3.215 -41.681 0.000
z 0.000 0.000 -38.224
Traceless
 xyz
x 7.783 -3.215 0.000
y -3.215 -6.485 0.000
z 0.000 0.000 -1.299
Polar
3z2-r2-2.597
x2-y29.512
xy-3.215
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.202 2.298 0.000
y 2.298 15.628 0.000
z 0.000 0.000 2.284


<r2> (average value of r2) Å2
<r2> 242.010
(<r2>)1/2 15.557