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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: PBE1PBE/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-269.088253
Energy at 298.15K-269.093819
HF Energy-269.088253
Nuclear repulsion energy194.684690
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/6-311+G(3df,2p)
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' 3249 3249 4.39      
2 A' 3184 3184 3.40      
3 A' 3168 3168 4.36      
4 A' 3154 3154 4.61      
5 A' 3138 3138 3.80      
6 A' 2889 2889 86.68      
7 A' 1800 1800 419.55      
8 A' 1712 1712 70.39      
9 A' 1664 1664 33.45      
10 A' 1452 1452 5.06      
11 A' 1409 1409 0.15      
12 A' 1322 1322 2.61      
13 A' 1317 1317 2.44      
14 A' 1259 1259 4.65      
15 A' 1198 1198 31.29      
16 A' 1137 1137 110.95      
17 A' 964 964 5.34      
18 A' 603 603 16.16      
19 A' 434 434 0.55      
20 A' 383 383 4.14      
21 A' 148 148 6.43      
22 A" 1055 1055 44.41      
23 A" 1030 1030 3.95      
24 A" 997 997 22.10      
25 A" 969 969 22.80      
26 A" 891 891 8.81      
27 A" 660 660 2.78      
28 A" 287 287 7.40      
29 A" 213 213 1.78      
30 A" 96 96 3.01      

Unscaled Zero Point Vibrational Energy (zpe) 20890.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 20890.7 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/6-311+G(3df,2p)
ABC
0.96547 0.04524 0.04322

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.083 -1.586 0.000
O2 -1.068 -2.792 0.000
C3 0.107 -0.743 0.000
C4 0.000 0.594 0.000
C5 1.113 1.512 0.000
C6 0.965 2.838 0.000
H7 -2.045 -1.029 0.000
H8 1.070 -1.243 0.000
H9 -0.997 1.034 0.000
H10 2.109 1.079 0.000
H11 -0.019 3.294 0.000
H12 1.817 3.505 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.20611.45822.43413.79694.87441.11202.17982.62074.15754.99445.8588
O21.20612.36233.55064.82495.98542.01542.64003.82605.00736.17576.9265
C31.45822.36231.34122.46883.68162.17141.08552.09122.70634.03864.5790
C42.43413.55061.34121.44242.44212.61132.12661.08932.16372.69993.4314
C53.79694.82492.46881.44241.33384.05352.75592.16311.08642.11092.1138
C64.87445.98543.68162.44211.33384.90044.08252.66532.09831.08461.0824
H71.11202.01542.17142.61134.05354.90043.12282.31384.65834.77455.9563
H82.17982.64001.08552.12662.75594.08253.12283.07522.54384.66644.8070
H92.62073.82602.09121.08932.16312.66532.31383.07523.10592.46303.7452
H104.15755.00732.70632.16371.08642.09834.65832.54383.10593.07172.4440
H114.99446.17574.03862.69992.11091.08464.77454.66642.46303.07171.8481
H125.85886.92654.57903.43142.11381.08245.95634.80703.74522.44401.8481

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 120.746 C1 C3 H8 117.196
O2 C1 C3 124.635 O2 C1 H7 120.730
C3 C1 H7 114.635 C3 C4 C5 124.942
C3 C4 H9 118.357 C4 C3 H8 122.058
C4 C5 C6 123.160 C4 C5 H10 116.963
C5 C4 H9 116.701 C5 C6 H11 121.243
C5 C6 H12 121.712 C6 C5 H10 119.877
H11 C6 H12 117.044
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.338      
2 O -0.689      
3 C -0.225      
4 C 0.357      
5 C 0.030      
6 C -0.417      
7 H 0.076      
8 H 0.101      
9 H 0.096      
10 H 0.096      
11 H 0.113      
12 H 0.124      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.019 4.118 0.000 4.242
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.813 -3.190 0.000
y -3.190 -43.353 0.000
z 0.000 0.000 -38.340
Traceless
 xyz
x 8.034 -3.190 0.000
y -3.190 -7.777 0.000
z 0.000 0.000 -0.257
Polar
3z2-r2-0.515
x2-y210.540
xy-3.190
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.425 3.023 0.000
y 3.023 18.556 0.000
z 0.000 0.000 6.153


<r2> (average value of r2) Å2
<r2> 240.033
(<r2>)1/2 15.493