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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: HF/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/STO-3G
 hartrees
Energy at 0K-264.251127
Energy at 298.15K-264.256610
HF Energy-264.251127
Nuclear repulsion energy193.002731
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 HF/STO-3G
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' 3812 3113 0.27 59.36 0.70 0.82
2 A' 3722 3039 5.46 26.79 0.46 0.63
3 A' 3718 3036 13.82 65.90 0.30 0.46
4 A' 3699 3020 29.27 8.35 0.51 0.67
5 A' 3653 2982 68.78 36.29 0.13 0.24
6 A' 3544 2894 42.91 30.89 0.40 0.57
7 A' 2082 1700 77.74 250.10 0.29 0.45
8 A' 2053 1676 6.61 368.65 0.27 0.43
9 A' 1990 1625 2.47 10.11 0.46 0.63
10 A' 1706 1393 0.91 45.14 0.46 0.63
11 A' 1615 1319 15.01 4.68 0.74 0.85
12 A' 1537 1255 2.88 51.76 0.46 0.63
13 A' 1529 1248 4.69 5.14 0.36 0.53
14 A' 1456 1189 7.60 4.29 0.59 0.74
15 A' 1349 1101 11.04 69.61 0.52 0.69
16 A' 1238 1011 55.49 12.62 0.57 0.72
17 A' 1092 892 0.83 2.78 0.41 0.58
18 A' 648 529 9.39 0.15 0.38 0.55
19 A' 478 390 0.16 3.18 0.28 0.43
20 A' 419 342 2.91 2.10 0.48 0.65
21 A' 166 136 2.97 0.36 0.68 0.81
22 A" 1252 1022 12.80 0.34 0.75 0.86
23 A" 1211 989 3.99 2.42 0.75 0.86
24 A" 1155 943 13.92 3.54 0.75 0.86
25 A" 1112 908 1.63 20.21 0.75 0.86
26 A" 994 811 2.44 9.98 0.75 0.86
27 A" 746 609 0.62 4.22 0.75 0.86
28 A" 289 236 2.60 0.52 0.75 0.86
29 A" 193 157 1.23 0.13 0.75 0.86
30 A" 92 75 1.85 0.78 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 24274.6 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 19820.2 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 HF/STO-3G
ABC
0.96831 0.04411 0.04219

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.181 -1.573 0.000
O2 -1.168 -2.794 0.000
C3 0.056 -0.714 0.000
C4 0.000 0.605 0.000
C5 1.189 1.496 0.000
C6 1.119 2.808 0.000
H7 -2.126 -1.003 0.000
H8 1.004 -1.239 0.000
H9 -0.965 1.102 0.000
H10 2.153 0.998 0.000
H11 0.172 3.332 0.000
H12 2.004 3.429 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.22131.50532.47693.87694.94741.10372.21002.68304.20925.08715.9298
O21.22132.41303.59384.89466.05072.03082.67153.90095.04036.27026.9851
C31.50532.41301.32052.48373.67922.20121.08322.08372.70694.04764.5788
C42.47693.59381.32051.48602.47102.66572.09921.08562.18822.73213.4633
C53.87694.89462.48371.48601.31434.15162.74052.19041.08412.09922.0984
C64.94746.05073.67922.47101.31435.00544.04832.69342.08451.08211.0817
H71.10372.03082.20122.66574.15165.00543.13902.40384.72354.90606.0586
H82.21002.67151.08322.09922.74054.04833.13903.05872.51424.64544.7739
H92.68303.90092.08371.08562.19042.69342.40383.05873.11952.50293.7729
H104.20925.04032.70692.18821.08412.08454.72352.51423.11953.06102.4359
H115.08716.27024.04762.73212.09921.08214.90604.64542.50293.06101.8352
H125.92986.98514.57883.46332.09841.08176.05864.77393.77292.43591.8352

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 122.320 C1 C3 H8 116.301
O2 C1 C3 124.170 O2 C1 H7 121.646
C3 C1 H7 114.184 C3 C4 C5 124.391
C3 C4 H9 119.679 C4 C3 H8 121.380
C4 C5 C6 123.746 C4 C5 H10 115.847
C5 C4 H9 115.930 C5 C6 H11 122.015
C5 C6 H12 121.973 C6 C5 H10 120.407
H11 C6 H12 116.012
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.135      
2 O -0.208      
3 C -0.087      
4 C -0.045      
5 C -0.059      
6 C -0.123      
7 H 0.047      
8 H 0.071      
9 H 0.066      
10 H 0.067      
11 H 0.066      
12 H 0.069      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.342 2.187 0.000 2.214
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.344 -2.300 0.000
y -2.300 -38.740 0.000
z 0.000 0.000 -33.783
Traceless
 xyz
x 4.918 -2.300 0.000
y -2.300 -6.177 0.000
z 0.000 0.000 1.259
Polar
3z2-r22.518
x2-y27.396
xy-2.300
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.191 1.438 0.000
y 1.438 10.782 0.000
z 0.000 0.000 0.996


<r2> (average value of r2) Å2
<r2> 242.941
(<r2>)1/2 15.587