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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: PBE1PBE/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 PBE1PBE/STO-3G
 hartrees
Energy at 0K-190.470783
Energy at 298.15K-190.476830
HF Energy-190.470783
Nuclear repulsion energy116.335709
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 PBE1PBE/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' 3542 3125 0.26      
2 A' 3373 2975 3.90      
3 A' 3368 2971 0.54      
4 A' 3225 2845 41.39      
5 A' 1904 1680 31.31      
6 A' 1699 1498 5.96      
7 A' 1659 1464 4.57      
8 A' 1590 1402 2.32      
9 A' 1503 1326 5.35      
10 A' 1480 1306 12.62      
11 A' 1208 1066 13.41      
12 A' 1100 971 0.64      
13 A' 921 812 13.21      
14 A' 678 598 3.42      
15 A' 238 210 2.59      
16 A" 3543 3126 0.38      
17 A" 3474 3065 0.05      
18 A" 1692 1492 3.83      
19 A" 1391 1227 0.03      
20 A" 1205 1063 0.44      
21 A" 932 823 1.68      
22 A" 742 654 7.12      
23 A" 210 186 0.27      
24 A" 97 86 0.80      

Unscaled Zero Point Vibrational Energy (zpe) 20387.7 cm-1
Scaled (by 0.8821) Zero Point Vibrational Energy (zpe) 17984.0 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 PBE1PBE/STO-3G
ABC
0.53681 0.18938 0.14776

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.464 0.470 0.000
C2 0.000 0.947 0.000
C3 -1.015 -0.226 0.000
O4 -0.710 -1.432 0.000
H5 2.149 1.327 0.000
H6 1.669 -0.141 0.888
H7 1.669 -0.141 -0.888
H8 -0.206 1.573 0.884
H9 -0.206 1.573 -0.884
H10 -2.085 0.120 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.53962.57552.88901.09741.09721.09722.18792.18793.5663
C21.53961.55182.48292.18272.18102.18101.10291.10292.2430
C32.57551.55181.24383.52562.82862.82862.16242.16241.1245
O42.88902.48291.24383.97392.84872.84873.17313.17312.0739
H51.09742.18273.52563.97391.78201.78202.52762.52764.4030
H61.09722.18102.82862.84871.78201.77582.54023.09733.8663
H71.09722.18102.82862.84871.78201.77583.09732.54023.8663
H82.18791.10292.16243.17312.52762.54023.09731.76862.5346
H92.18791.10292.16243.17312.52763.09732.54021.76862.5346
H103.56632.24301.12452.07394.40303.86633.86632.53462.5346

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.836 C1 C2 H8 110.687
C1 C2 H9 110.687 C2 C1 H5 110.603
C2 C1 H6 110.483 C2 C1 H7 110.483
C2 C3 O4 124.920 C2 C3 H10 112.908
C3 C2 H8 107.889 C3 C2 H9 107.889
O4 C3 H10 122.173 H5 C1 H6 108.577
H5 C1 H7 108.577 H6 C1 H7 108.042
H8 C2 H9 106.597
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.233      
2 C -0.162      
3 C 0.084      
4 O -0.171      
5 H 0.081      
6 H 0.085      
7 H 0.085      
8 H 0.086      
9 H 0.086      
10 H 0.060      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.096 1.634 0.000 1.637
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.414 -0.969 0.000
y -0.969 -25.187 0.000
z 0.000 0.000 -22.356
Traceless
 xyz
x 1.357 -0.969 0.000
y -0.969 -2.802 0.000
z 0.000 0.000 1.444
Polar
3z2-r22.889
x2-y22.773
xy-0.969
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.698 0.015 0.000
y 0.015 3.177 0.000
z 0.000 0.000 1.905


<r2> (average value of r2) Å2
<r2> 85.598
(<r2>)1/2 9.252