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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: mPW1PW91/6-311+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 mPW1PW91/6-311+G(3df,2p)
 hartrees
Energy at 0K-269.338914
Energy at 298.15K-269.344486
HF Energy-269.338914
Nuclear repulsion energy194.774098
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 mPW1PW91/6-311+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' 3253 3253 4.82      
2 A' 3190 3190 3.60      
3 A' 3174 3174 4.60      
4 A' 3160 3160 4.98      
5 A' 3144 3144 3.72      
6 A' 2896 2896 86.53      
7 A' 1799 1799 421.65      
8 A' 1713 1713 69.22      
9 A' 1665 1665 34.37      
10 A' 1458 1458 4.91      
11 A' 1415 1415 0.07      
12 A' 1328 1328 2.42      
13 A' 1322 1322 2.17      
14 A' 1265 1265 3.85      
15 A' 1201 1201 33.60      
16 A' 1137 1137 112.24      
17 A' 967 967 5.12      
18 A' 604 604 16.16      
19 A' 434 434 0.57      
20 A' 384 384 4.18      
21 A' 149 149 6.51      
22 A" 1058 1058 44.01      
23 A" 1033 1033 3.74      
24 A" 1000 1000 22.77      
25 A" 972 972 22.64      
26 A" 893 893 8.56      
27 A" 661 661 2.73      
28 A" 287 287 7.41      
29 A" 212 212 1.77      
30 A" 96 96 3.10      

Unscaled Zero Point Vibrational Energy (zpe) 20933.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 20933.4 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 mPW1PW91/6-311+G(3df,2p)
ABC
0.96764 0.04526 0.04324

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.084 -1.585 0.000
O2 -1.070 -2.790 0.000
C3 0.106 -0.742 0.000
C4 0.000 0.594 0.000
C5 1.114 1.511 0.000
C6 0.968 2.836 0.000
H7 -2.046 -1.029 0.000
H8 1.067 -1.243 0.000
H9 -0.995 1.034 0.000
H10 2.108 1.077 0.000
H11 -0.013 3.294 0.000
H12 1.821 3.501 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.20561.45802.43383.79644.87381.11022.17812.62034.15604.99525.8566
O21.20562.36153.54954.82365.98392.01312.63813.82515.00516.17566.9232
C31.45802.36151.34042.46813.68042.17031.08392.08942.70494.03814.5762
C42.43383.54951.34041.44232.44182.61152.12441.08762.16232.70013.4296
C53.79644.82362.46811.44231.33304.05372.75412.16151.08482.10952.1117
C64.87385.98393.68042.44181.33304.90134.07992.66452.09591.08301.0809
H71.11022.01312.17032.61154.05374.90133.11972.31564.65684.77765.9555
H82.17812.63811.08392.12442.75414.07993.11973.07162.54254.66394.8032
H92.62033.82512.08941.08762.16152.66452.31563.07163.10282.46423.7429
H104.15605.00512.70492.16231.08482.09594.65682.54253.10283.06842.4410
H114.99526.17564.03812.70012.10951.08304.77764.66392.46423.06841.8450
H125.85666.92324.57623.42962.11171.08095.95554.80323.74292.44101.8450

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 120.785 C1 C3 H8 117.171
O2 C1 C3 124.624 O2 C1 H7 120.697
C3 C1 H7 114.679 C3 C4 C5 124.937
C3 C4 H9 118.376 C4 C3 H8 122.044
C4 C5 C6 123.197 C4 C5 H10 116.957
C5 C4 H9 116.687 C5 C6 H11 121.303
C5 C6 H12 121.702 C6 C5 H10 119.846
H11 C6 H12 116.995
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.314      
2 O -0.686      
3 C -0.215      
4 C 0.357      
5 C 0.052      
6 C -0.437      
7 H 0.080      
8 H 0.102      
9 H 0.101      
10 H 0.096      
11 H 0.114      
12 H 0.123      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.018 4.131 0.000 4.254
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.736 -3.216 0.000
y -3.216 -43.332 0.000
z 0.000 0.000 -38.234
Traceless
 xyz
x 8.047 -3.216 0.000
y -3.216 -7.847 0.000
z 0.000 0.000 -0.200
Polar
3z2-r2-0.401
x2-y210.596
xy-3.216
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.383 3.038 0.000
y 3.038 18.516 0.000
z 0.000 0.000 6.147


<r2> (average value of r2) Å2
<r2> 239.870
(<r2>)1/2 15.488