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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: PBE1PBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/6-31G**
 hartrees
Energy at 0K-268.995701
Energy at 298.15K-269.001251
HF Energy-268.995701
Nuclear repulsion energy193.904981
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 PBE1PBE/6-31G**
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' 3284 3130 7.20      
2 A' 3219 3068 4.87      
3 A' 3201 3051 5.93      
4 A' 3190 3040 7.27      
5 A' 3167 3019 6.48      
6 A' 2920 2783 109.45      
7 A' 1829 1743 341.60      
8 A' 1738 1657 61.33      
9 A' 1687 1608 24.84      
10 A' 1474 1405 4.22      
11 A' 1432 1365 0.64      
12 A' 1337 1274 3.04      
13 A' 1333 1270 2.28      
14 A' 1275 1215 4.58      
15 A' 1210 1153 25.27      
16 A' 1150 1096 105.68      
17 A' 974 928 6.37      
18 A' 604 575 16.08      
19 A' 435 414 0.48      
20 A' 382 364 4.42      
21 A' 148 141 5.63      
22 A" 1063 1013 40.51      
23 A" 1029 981 6.19      
24 A" 997 950 13.03      
25 A" 962 917 32.99      
26 A" 884 842 8.28      
27 A" 657 626 2.16      
28 A" 286 272 6.79      
29 A" 216 206 1.27      
30 A" 98 94 2.62      

Unscaled Zero Point Vibrational Energy (zpe) 21088.9 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 20099.8 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 PBE1PBE/6-31G**
ABC
0.96103 0.04486 0.04285

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.092 -1.590 0.000
O2 -1.075 -2.803 0.000
C3 0.102 -0.745 0.000
C4 0.000 0.599 0.000
C5 1.119 1.515 0.000
C6 0.978 2.847 0.000
H7 -2.055 -1.031 0.000
H8 1.066 -1.250 0.000
H9 -0.997 1.045 0.000
H10 2.116 1.076 0.000
H11 -0.006 3.313 0.000
H12 1.835 3.514 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.21331.46232.44573.81194.89611.11432.18392.63664.17085.02165.8830
O21.21332.37093.56754.84386.01182.02562.64473.84895.02286.20876.9546
C31.46232.37091.34712.47853.69742.17591.08822.09992.71524.05894.5975
C42.44573.56751.34711.44672.45222.62282.13341.09212.16912.71423.4444
C53.81194.84382.47851.44671.33974.06942.76552.16761.08922.12052.1226
C64.89616.01183.69742.45221.33974.92324.09812.67332.10571.08771.0856
H71.11432.02562.17592.62284.06944.92323.12872.33004.67314.80285.9819
H82.18392.64471.08822.13342.76554.09813.12873.08522.55184.68654.8250
H92.63663.84892.09991.09212.16762.67332.33003.08523.11282.47493.7565
H104.17085.02282.71522.16911.08922.10574.67312.55183.11283.08292.4538
H115.02166.20874.05892.71422.12051.08774.80284.68652.47493.08291.8513
H125.88306.95464.59753.44442.12261.08565.98194.82503.75652.45381.8513

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 120.982 C1 C3 H8 117.042
O2 C1 C3 124.516 O2 C1 H7 120.923
C3 C1 H7 114.561 C3 C4 C5 124.991
C3 C4 H9 118.455 C4 C3 H8 121.976
C4 C5 C6 123.247 C4 C5 H10 116.896
C5 C4 H9 116.554 C5 C6 H11 121.400
C5 C6 H12 121.782 C6 C5 H10 119.857
H11 C6 H12 116.818
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.215      
2 O -0.417      
3 C -0.213      
4 C -0.138      
5 C -0.104      
6 C -0.390      
7 H 0.126      
8 H 0.189      
9 H 0.178      
10 H 0.181      
11 H 0.184      
12 H 0.190      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.991 3.905 0.000 4.029
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.160 -3.027 0.000
y -3.027 -41.734 0.000
z 0.000 0.000 -37.399
Traceless
 xyz
x 7.406 -3.027 0.000
y -3.027 -6.954 0.000
z 0.000 0.000 -0.452
Polar
3z2-r2-0.904
x2-y29.574
xy-3.027
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.035 2.768 0.000
y 2.768 16.902 0.000
z 0.000 0.000 3.109


<r2> (average value of r2) Å2
<r2> 241.194
(<r2>)1/2 15.530