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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: PBEPBE/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/aug-cc-pVDZ
 hartrees
Energy at 0K-269.018858
Energy at 298.15K-269.024297
HF Energy-269.018858
Nuclear repulsion energy192.193309
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 PBEPBE/aug-cc-pVDZ
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' 3182 3162 5.94      
2 A' 3106 3087 5.88      
3 A' 3092 3073 6.10      
4 A' 3080 3061 5.51      
5 A' 3062 3043 5.47      
6 A' 2786 2769 105.92      
7 A' 1683 1673 342.07      
8 A' 1636 1626 94.26      
9 A' 1594 1584 20.76      
10 A' 1396 1387 4.67      
11 A' 1342 1334 0.13      
12 A' 1272 1265 2.28      
13 A' 1264 1257 1.95      
14 A' 1213 1205 5.11      
15 A' 1158 1151 21.76      
16 A' 1109 1102 99.60      
17 A' 933 928 5.28      
18 A' 582 578 15.66      
19 A' 421 419 0.53      
20 A' 372 370 3.42      
21 A' 144 143 5.67      
22 A" 1009 1003 49.12      
23 A" 978 972 1.34      
24 A" 953 947 13.79      
25 A" 926 920 22.37      
26 A" 860 855 8.38      
27 A" 634 631 2.56      
28 A" 280 278 6.22      
29 A" 217 215 1.49      
30 A" 96 95 2.56      

Unscaled Zero Point Vibrational Energy (zpe) 20189.1 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 20066.0 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 PBEPBE/aug-cc-pVDZ
ABC
0.94656 0.04412 0.04215

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.099 -1.599 0.000
O2 -1.083 -2.829 0.000
C3 0.097 -0.752 0.000
C4 0.000 0.609 0.000
C5 1.125 1.523 0.000
C6 0.991 2.871 0.000
H7 -2.078 -1.037 0.000
H8 1.073 -1.262 0.000
H9 -1.008 1.060 0.000
H10 2.132 1.077 0.000
H11 -0.001 3.346 0.000
H12 1.863 3.536 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.23041.46572.46653.83274.93481.12862.19762.66044.19505.06555.9286
O21.23042.38913.60474.87976.06612.04992.66513.88985.05866.26937.0143
C31.46572.38911.36422.49573.73172.19321.10092.12202.73574.09894.6377
C42.46653.60471.36421.44902.46982.65072.15631.10442.18262.73703.4701
C53.83274.87972.49571.44901.35554.09962.78472.18261.10162.14292.1450
C64.93486.06613.73172.46981.35554.96894.13392.69772.12701.09931.0972
H71.12862.04992.19322.65074.09964.96893.15822.35374.71044.85016.0372
H82.19762.66511.10092.15632.78474.13393.15823.11752.56704.73104.8627
H92.66043.88982.12201.10442.18262.69772.35373.11753.14032.49833.7921
H104.19505.05862.73572.18261.10162.12704.71042.56703.14033.11452.4744
H115.06556.26934.09892.73702.14291.09934.85014.73102.49833.11451.8741
H125.92867.01434.63773.47012.14501.09726.03724.86273.79212.47441.8741

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 121.245 C1 C3 H8 117.087
O2 C1 C3 124.559 O2 C1 H7 120.629
C3 C1 H7 114.812 C3 C4 C5 125.011
C3 C4 H9 118.161 C4 C3 H8 121.668
C4 C5 C6 123.409 C4 C5 H10 117.033
C5 C4 H9 116.829 C5 C6 H11 121.251
C5 C6 H12 121.623 C6 C5 H10 119.559
H11 C6 H12 117.126
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.474      
2 O -0.556      
3 C 0.815      
4 C 1.558      
5 C 1.232      
6 C 0.310      
7 H -0.387      
8 H -0.752      
9 H -0.854      
10 H -0.752      
11 H -0.564      
12 H -0.524      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.153 4.169 0.000 4.326
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.521 -3.115 0.000
y -3.115 -43.804 0.000
z 0.000 0.000 -38.563
Traceless
 xyz
x 7.663 -3.115 0.000
y -3.115 -7.762 0.000
z 0.000 0.000 0.099
Polar
3z2-r20.198
x2-y210.283
xy-3.115
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.453 3.597 0.000
y 3.597 20.152 0.000
z 0.000 0.000 6.426


<r2> (average value of r2) Å2
<r2> 245.815
(<r2>)1/2 15.678