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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: TPSSh/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-269.353403
Energy at 298.15K-269.358913
HF Energy-269.353403
Nuclear repulsion energy193.644200
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 TPSSh/6-31G(2df,p)
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' 3239 3126 9.25      
2 A' 3174 3062 7.63      
3 A' 3158 3047 6.95      
4 A' 3147 3037 9.26      
5 A' 3123 3014 7.68      
6 A' 2855 2755 114.76      
7 A' 1765 1703 299.09      
8 A' 1686 1627 61.11      
9 A' 1644 1587 26.21      
10 A' 1461 1410 3.39      
11 A' 1415 1366 0.18      
12 A' 1325 1279 2.87      
13 A' 1315 1269 1.33      
14 A' 1257 1213 2.27      
15 A' 1192 1151 30.14      
16 A' 1122 1082 100.38      
17 A' 958 925 5.01      
18 A' 588 567 15.07      
19 A' 427 412 0.42      
20 A' 368 355 3.58      
21 A' 140 135 5.40      
22 A" 1067 1030 33.45      
23 A" 1025 989 2.68      
24 A" 999 964 6.37      
25 A" 958 925 26.87      
26 A" 885 854 5.21      
27 A" 658 635 1.55      
28 A" 287 277 5.30      
29 A" 218 210 1.15      
30 A" 99 95 2.42      

Unscaled Zero Point Vibrational Energy (zpe) 20776.3 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 20049.1 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 TPSSh/6-31G(2df,p)
ABC
0.96208 0.04468 0.04270

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.084 -1.599 0.000
O2 -1.064 -2.814 0.000
C3 0.107 -0.747 0.000
C4 0.000 0.599 0.000
C5 1.112 1.525 0.000
C6 0.962 2.859 0.000
H7 -2.047 -1.038 0.000
H8 1.073 -1.247 0.000
H9 -0.999 1.038 0.000
H10 2.110 1.092 0.000
H11 -0.022 3.317 0.000
H12 1.814 3.531 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.21571.46432.45073.81824.90461.11492.18482.63834.17635.02965.8911
O21.21572.37643.57564.85446.02412.03032.65023.85305.03366.21976.9670
C31.46432.37641.35012.48393.70532.17401.08712.09972.71904.06624.6051
C42.45073.57561.35011.44672.45582.62132.13471.09112.16692.71843.4470
C53.81824.85442.48391.44671.34194.06792.77182.16621.08812.12112.1248
C64.90466.02413.70532.45581.34194.92354.10662.67612.10651.08641.0844
H71.11492.03032.17402.62134.06794.92353.12672.32564.67124.80315.9813
H82.18482.65021.08712.13472.77184.10663.12673.08392.55854.69354.8342
H92.63833.85302.09971.09112.16622.67612.32563.08393.10952.47983.7581
H104.17635.03362.71902.16691.08812.10654.67122.55853.10953.08212.4564
H115.02966.21974.06622.71842.12111.08644.80314.69352.47983.08211.8482
H125.89116.96704.60513.44702.12481.08445.98134.83423.75812.45641.8482

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 121.036 C1 C3 H8 117.037
O2 C1 C3 124.669 O2 C1 H7 121.125
C3 C1 H7 114.206 C3 C4 C5 125.234
C3 C4 H9 118.267 C4 C3 H8 121.927
C4 C5 C6 123.398 C4 C5 H10 116.772
C5 C4 H9 116.498 C5 C6 H11 121.372
C5 C6 H12 121.903 C6 C5 H10 119.830
H11 C6 H12 116.725
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.163      
2 O -0.307      
3 C -0.195      
4 C -0.057      
5 C -0.033      
6 C -0.356      
7 H 0.086      
8 H 0.137      
9 H 0.129      
10 H 0.131      
11 H 0.146      
12 H 0.155      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.017 3.814 0.000 3.947
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.602 2.995 0.000
y 2.995 17.406 0.000
z 0.000 0.000 3.936


<r2> (average value of r2) Å2
<r2> 241.860
(<r2>)1/2 15.552