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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: PBEPBE/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 PBEPBE/STO-3G
 hartrees
Energy at 0K-265.556556
Energy at 298.15K-265.561536
HF Energy-265.556556
Nuclear repulsion energy189.237205
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/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' 3486 3185 0.44      
2 A' 3381 3089 0.31      
3 A' 3376 3085 8.19      
4 A' 3355 3065 4.15      
5 A' 3330 3042 45.66      
6 A' 3053 2789 54.64      
7 A' 1748 1597 1.35      
8 A' 1718 1570 62.05      
9 A' 1703 1556 17.00      
10 A' 1519 1387 1.23      
11 A' 1433 1310 2.18      
12 A' 1367 1249 4.20      
13 A' 1357 1240 0.15      
14 A' 1298 1186 1.97      
15 A' 1220 1114 2.67      
16 A' 1103 1008 87.22      
17 A' 991 905 2.37      
18 A' 583 533 5.21      
19 A' 426 389 0.28      
20 A' 371 339 1.83      
21 A' 144 132 1.61      
22 A" 1088 994 23.45      
23 A" 1028 939 2.81      
24 A" 943 861 1.53      
25 A" 939 858 17.60      
26 A" 857 783 3.48      
27 A" 653 597 0.79      
28 A" 266 243 2.60      
29 A" 204 186 0.47      
30 A" 91 83 0.45      

Unscaled Zero Point Vibrational Energy (zpe) 21513.7 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 19654.9 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/STO-3G
ABC
0.93240 0.04261 0.04075

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.142 -1.615 0.000
O2 -1.130 -2.885 0.000
C3 0.087 -0.739 0.000
C4 0.000 0.627 0.000
C5 1.159 1.539 0.000
C6 1.049 2.892 0.000
H7 -2.104 -1.010 0.000
H8 1.073 -1.241 0.000
H9 -1.004 1.097 0.000
H10 2.159 1.067 0.000
H11 0.065 3.391 0.000
H12 1.936 3.547 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.26941.50952.51633.90485.01191.13672.24652.71604.25345.14976.0104
O21.26942.46663.68884.98116.17422.11302.74863.98395.14106.38837.1252
C31.50952.46661.36862.51813.75672.20771.10622.13562.74854.13014.6681
C42.51633.68881.36861.47522.49652.66562.15371.10832.20352.76493.5037
C53.90484.98112.51811.47521.35754.14072.78132.20731.10622.15092.1529
C65.01196.17423.75672.49651.35755.01664.13312.72672.13701.10321.1025
H71.13672.11302.20772.66564.14075.01663.18532.37704.74194.90616.0898
H82.24652.74861.10622.15372.78134.13313.18533.12682.55024.74014.8651
H92.71603.98392.13561.10832.20732.72672.37703.12683.16282.53033.8264
H104.25345.14102.74852.20351.10622.13704.74192.55023.16283.12892.4908
H115.14976.38834.13012.76492.15091.10324.90614.74012.53033.12891.8774
H126.01047.12524.66813.50372.15291.10256.08984.86513.82642.49081.8774

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 121.843 C1 C3 H8 117.551
O2 C1 C3 124.930 O2 C1 H7 122.749
C3 C1 H7 112.321 C3 C4 C5 124.574
C3 C4 H9 118.754 C4 C3 H8 120.605
C4 C5 C6 123.554 C4 C5 H10 116.484
C5 C4 H9 116.672 C5 C6 H11 121.530
C5 C6 H12 121.787 C6 C5 H10 119.962
H11 C6 H12 116.683
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.053      
2 O -0.151      
3 C -0.096      
4 C -0.072      
5 C -0.083      
6 C -0.153      
7 H 0.057      
8 H 0.090      
9 H 0.088      
10 H 0.090      
11 H 0.088      
12 H 0.090      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.570 2.244 0.000 2.315
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.564 -1.932 0.000
y -1.932 -36.368 0.000
z 0.000 0.000 -33.950
Traceless
 xyz
x 4.595 -1.932 0.000
y -1.932 -4.111 0.000
z 0.000 0.000 -0.485
Polar
3z2-r2-0.969
x2-y25.804
xy-1.932
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.108 2.643 0.000
y 2.643 12.287 0.000
z 0.000 0.000 1.116


<r2> (average value of r2) Å2
<r2> 250.003
(<r2>)1/2 15.811