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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: B2PLYP/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 B2PLYP/6-31G
 hartrees
Energy at 0K-268.862050
Energy at 298.15K-268.867641
HF Energy-268.665913
Nuclear repulsion energy192.220576
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 B2PLYP/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' 3279 3279 14.13      
2 A' 3210 3210 7.38      
3 A' 3190 3190 6.72      
4 A' 3181 3181 10.91      
5 A' 3154 3154 8.51      
6 A' 2970 2970 103.77      
7 A' 1711 1711 51.95      
8 A' 1679 1679 177.33      
9 A' 1636 1636 48.55      
10 A' 1503 1503 7.68      
11 A' 1435 1435 7.55      
12 A' 1371 1371 0.89      
13 A' 1354 1354 2.88      
14 A' 1315 1315 0.68      
15 A' 1231 1231 30.53      
16 A' 1155 1155 87.65      
17 A' 994 994 5.80      
18 A' 611 611 15.40      
19 A' 441 441 0.69      
20 A' 389 389 5.18      
21 A' 153 153 6.16      
22 A" 1060 1060 54.89      
23 A" 1022 1022 0.07      
24 A" 1001 1001 22.07      
25 A" 979 979 31.39      
26 A" 891 891 9.42      
27 A" 661 661 2.67      
28 A" 281 281 8.08      
29 A" 216 216 1.40      
30 A" 101 101 3.36      

Unscaled Zero Point Vibrational Energy (zpe) 21085.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 21085.4 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 B2PLYP/6-31G
ABC
0.95760 0.04404 0.04211

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.125 -1.575 0.000
O2 -1.112 -2.828 0.000
C3 0.078 -0.744 0.000
C4 0.000 0.611 0.000
C5 1.146 1.509 0.000
C6 1.038 2.855 0.000
H7 -2.085 -1.027 0.000
H8 1.035 -1.260 0.000
H9 -0.986 1.079 0.000
H10 2.132 1.047 0.000
H11 0.070 3.349 0.000
H12 1.910 3.499 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.25241.46172.45883.82994.93001.10582.18262.65814.18095.06695.9125
O21.25242.39943.61424.88936.07592.04642.65873.90885.05336.28857.0114
C31.46172.39941.35762.49353.72512.18121.08732.11122.72524.09304.6218
C42.45883.61421.35761.45582.47232.65172.13831.09182.17582.73853.4623
C53.82994.88932.49351.45581.35054.10742.77112.17531.08862.13162.1317
C64.93006.07593.72512.47231.35054.98244.11502.69302.11321.08691.0841
H71.10582.04642.18122.65174.10744.98243.12872.37564.69924.87766.0371
H82.18262.65871.08732.13832.77114.11503.12873.09162.55424.70874.8386
H92.65813.90882.11121.09182.17532.69302.37563.09163.11832.50333.7743
H104.18095.05332.72522.17581.08862.11324.69922.55423.11833.09042.4620
H115.06696.28854.09302.73852.13161.08694.87764.70872.50333.09041.8466
H125.91257.01144.62183.46232.13171.08416.03714.83863.77432.46201.8466

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 121.369 C1 C3 H8 117.032
O2 C1 C3 124.092 O2 C1 H7 120.279
C3 C1 H7 115.629 C3 C4 C5 124.790
C3 C4 H9 118.664 C4 C3 H8 121.599
C4 C5 C6 123.484 C4 C5 H10 116.814
C5 C4 H9 116.546 C5 C6 H11 121.607
C5 C6 H12 121.842 C6 C5 H10 119.702
H11 C6 H12 116.552
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.193      
2 O -0.416      
3 C -0.154      
4 C -0.109      
5 C -0.083      
6 C -0.301      
7 H 0.117      
8 H 0.163      
9 H 0.148      
10 H 0.150      
11 H 0.144      
12 H 0.148      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.007 4.140 0.000 4.260
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.136 -3.503 0.000
y -3.503 -44.298 0.000
z 0.000 0.000 -37.854
Traceless
 xyz
x 7.940 -3.503 0.000
y -3.503 -8.803 0.000
z 0.000 0.000 0.862
Polar
3z2-r21.725
x2-y211.162
xy-3.503
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.853 2.814 0.000
y 2.814 16.802 0.000
z 0.000 0.000 2.713


<r2> (average value of r2) Å2
<r2> 245.805
(<r2>)1/2 15.678