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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: PBE1PBE/6-311G*

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/6-311G*
 hartrees
Energy at 0K-269.054487
Energy at 298.15K-269.060033
HF Energy-269.054487
Nuclear repulsion energy194.266318
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/6-311G*
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' 3256 3121 10.11      
2 A' 3193 3061 7.71      
3 A' 3178 3046 7.44      
4 A' 3162 3030 9.57      
5 A' 3148 3017 6.58      
6 A' 2895 2775 117.69      
7 A' 1815 1739 372.83      
8 A' 1727 1655 61.81      
9 A' 1675 1605 25.40      
10 A' 1463 1402 5.74      
11 A' 1422 1363 0.62      
12 A' 1332 1277 2.01      
13 A' 1326 1271 2.92      
14 A' 1270 1217 4.35      
15 A' 1203 1153 24.61      
16 A' 1139 1092 110.35      
17 A' 972 931 6.30      
18 A' 605 580 16.32      
19 A' 435 417 0.52      
20 A' 384 368 4.65      
21 A' 148 142 5.73      
22 A" 1055 1011 49.65      
23 A" 1026 983 7.83      
24 A" 990 949 15.18      
25 A" 954 915 34.68      
26 A" 881 844 9.85      
27 A" 655 628 3.09      
28 A" 286 275 8.05      
29 A" 214 205 1.32      
30 A" 97 93 2.35      

Unscaled Zero Point Vibrational Energy (zpe) 20951.3 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 20081.8 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/6-311G*
ABC
0.96560 0.04499 0.04299

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.091 -1.590 0.000
O2 -1.075 -2.796 0.000
C3 0.100 -0.743 0.000
C4 0.000 0.597 0.000
C5 1.118 1.513 0.000
C6 0.979 2.842 0.000
H7 -2.056 -1.034 0.000
H8 1.063 -1.249 0.000
H9 -0.996 1.043 0.000
H10 2.114 1.075 0.000
H11 -0.002 3.310 0.000
H12 1.837 3.505 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.20681.46172.44403.80864.89131.11412.18072.63474.16815.01935.8765
O21.20682.36623.55994.83526.00092.01742.63923.84055.01566.20006.9420
C31.46172.36621.34372.47453.69082.17651.08762.09552.71284.05394.5893
C42.44403.55991.34371.44502.44892.62512.13021.09132.16752.71273.4397
C53.80864.83522.47451.44501.33654.07002.76222.16551.08842.11752.1182
C64.89136.00093.69082.44891.33654.92334.09172.67142.10061.08681.0846
H71.11412.01742.17652.62514.07004.92333.12692.33244.67374.80555.9805
H82.18072.63921.08762.13022.76224.09173.12693.08102.55034.68154.8167
H92.63473.84052.09551.09132.16552.67142.33243.08103.11052.47523.7534
H104.16815.01562.71282.16751.08842.10064.67372.55033.11053.07812.4464
H115.01936.20004.05392.71272.11751.08684.80554.68152.47523.07811.8494
H125.87656.94204.58933.43972.11821.08465.98054.81673.75342.44641.8494

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 121.139 C1 C3 H8 116.849
O2 C1 C3 124.652 O2 C1 H7 120.682
C3 C1 H7 114.665 C3 C4 C5 125.037
C3 C4 H9 118.396 C4 C3 H8 122.013
C4 C5 C6 123.345 C4 C5 H10 116.946
C5 C4 H9 116.566 C5 C6 H11 121.474
C5 C6 H12 121.729 C6 C5 H10 119.709
H11 C6 H12 116.797
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.102      
2 O -0.307      
3 C -0.272      
4 C -0.184      
5 C -0.191      
6 C -0.430      
7 H 0.159      
8 H 0.224      
9 H 0.218      
10 H 0.217      
11 H 0.228      
12 H 0.236      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.964 3.888 0.000 4.005
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.421 -3.030 0.000
y -3.030 -42.183 0.000
z 0.000 0.000 -38.267
Traceless
 xyz
x 7.805 -3.030 0.000
y -3.030 -6.839 0.000
z 0.000 0.000 -0.966
Polar
3z2-r2-1.931
x2-y29.762
xy-3.030
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.354 2.746 0.000
y 2.746 17.311 0.000
z 0.000 0.000 3.906


<r2> (average value of r2) Å2
<r2> 240.875
(<r2>)1/2 15.520