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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: PBEPBE/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/cc-pVDZ
 hartrees
Energy at 0K-268.997824
Energy at 298.15K-269.003240
HF Energy-268.997824
Nuclear repulsion energy192.207937
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/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3181 3163 5.65      
2 A' 3102 3084 6.62      
3 A' 3088 3070 5.70      
4 A' 3077 3059 5.78      
5 A' 3055 3037 6.60      
6 A' 2748 2732 130.72      
7 A' 1722 1712 278.76      
8 A' 1647 1638 59.47      
9 A' 1603 1594 17.46      
10 A' 1388 1380 4.40      
11 A' 1347 1340 0.10      
12 A' 1268 1261 2.83      
13 A' 1259 1252 3.45      
14 A' 1206 1199 6.65      
15 A' 1147 1141 7.17      
16 A' 1106 1100 99.39      
17 A' 933 928 5.83      
18 A' 581 578 14.82      
19 A' 421 419 0.53      
20 A' 369 367 3.46      
21 A' 142 141 4.31      
22 A" 1017 1011 33.36      
23 A" 982 976 3.62      
24 A" 950 944 6.57      
25 A" 907 902 23.45      
26 A" 853 848 5.92      
27 A" 635 632 1.67      
28 A" 282 280 4.52      
29 A" 217 215 0.97      
30 A" 97 96 1.69      

Unscaled Zero Point Vibrational Energy (zpe) 20165.0 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 20048.0 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/cc-pVDZ
ABC
0.94593 0.04412 0.04215

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.092 -1.606 0.000
O2 -1.073 -2.832 0.000
C3 0.103 -0.752 0.000
C4 0.000 0.607 0.000
C5 1.118 1.529 0.000
C6 0.976 2.876 0.000
H7 -2.069 -1.030 0.000
H8 1.080 -1.262 0.000
H9 -1.013 1.053 0.000
H10 2.129 1.087 0.000
H11 -0.021 3.344 0.000
H12 1.847 3.547 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.22621.46832.46783.83544.93641.13492.19912.66004.19795.06465.9324
O21.22622.38933.60274.88046.06502.05982.66483.88535.06036.26517.0158
C31.46832.38931.36282.49663.73182.18931.10282.12152.73604.09784.6396
C42.46783.60271.36281.44882.47032.63812.15881.10652.18202.73703.4722
C53.83544.88042.49661.44881.35464.08672.79122.18311.10352.14262.1460
C64.93646.06503.73182.47031.35464.95264.13942.69852.12841.10171.0993
H71.13492.05982.18932.63814.08674.95263.15802.33474.70104.82926.0235
H82.19912.66481.10282.15882.79124.13943.15803.12072.57204.73584.8699
H92.66003.88532.12151.10652.18312.69852.33473.12073.14172.49673.7950
H104.19795.06032.73602.18201.10352.12844.70102.57203.14173.11722.4765
H115.06466.26514.09782.73702.14261.10174.82924.73582.49673.11721.8793
H125.93247.01584.63963.47222.14601.09936.02354.86993.79502.47651.8793

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 121.262 C1 C3 H8 116.875
O2 C1 C3 124.689 O2 C1 H7 121.432
C3 C1 H7 113.879 C3 C4 C5 125.206
C3 C4 H9 118.062 C4 C3 H8 121.864
C4 C5 C6 123.534 C4 C5 H10 116.852
C5 C4 H9 116.732 C5 C6 H11 121.112
C5 C6 H12 121.629 C6 C5 H10 119.614
H11 C6 H12 117.260
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.145      
2 O -0.185      
3 C -0.038      
4 C 0.047      
5 C -0.030      
6 C 0.021      
7 H -0.026      
8 H -0.000      
9 H -0.006      
10 H -0.002      
11 H 0.033      
12 H 0.042      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.055 3.611 0.000 3.762
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.162 -2.613 0.000
y -2.613 -41.304 0.000
z 0.000 0.000 -37.589
Traceless
 xyz
x 6.284 -2.613 0.000
y -2.613 -5.928 0.000
z 0.000 0.000 -0.356
Polar
3z2-r2-0.712
x2-y28.141
xy-2.613
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.155 3.154 0.000
y 3.154 18.092 0.000
z 0.000 0.000 3.606


<r2> (average value of r2) Å2
<r2> 245.002
(<r2>)1/2 15.653