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All results from a given calculation for CH3CH2CHO (Propanal)

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-189.526218
Energy at 298.15K-189.532520
HF Energy-189.526218
Nuclear repulsion energy117.605406
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' 3756 3067 0.64 30.25 0.74 0.85
2 A' 3598 2938 1.66 47.69 0.11 0.19
3 A' 3574 2918 1.39 35.93 0.03 0.05
4 A' 3537 2888 26.53 46.29 0.42 0.59
5 A' 2121 1731 30.54 5.79 0.17 0.30
6 A' 1835 1498 2.69 4.25 0.72 0.84
7 A' 1809 1477 0.60 24.23 0.75 0.86
8 A' 1740 1420 0.34 5.31 0.75 0.86
9 A' 1649 1346 2.38 1.22 0.75 0.86
10 A' 1613 1317 28.15 10.60 0.73 0.85
11 A' 1304 1065 12.93 4.83 0.54 0.70
12 A' 1189 971 0.32 4.74 0.75 0.86
13 A' 1002 818 6.61 10.41 0.25 0.40
14 A' 730 596 8.95 2.13 0.75 0.86
15 A' 264 216 3.41 0.48 0.51 0.67
16 A" 3759 3069 0.80 17.94 0.75 0.86
17 A" 3706 3026 0.43 41.92 0.75 0.86
18 A" 1828 1493 1.68 17.54 0.75 0.86
19 A" 1511 1234 0.04 10.95 0.75 0.86
20 A" 1327 1083 0.25 0.27 0.75 0.86
21 A" 1021 833 1.03 2.39 0.75 0.86
22 A" 818 668 2.86 1.48 0.75 0.86
23 A" 233 190 0.28 0.32 0.75 0.86
24 A" 112 92 1.74 0.94 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 22017.4 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 17977.2 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
0.54782 0.19303 0.15065

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 1.460 0.454 0.000
C2 0.000 0.938 0.000
C3 -1.013 -0.224 0.000
O4 -0.711 -1.403 0.000
H5 2.139 1.302 0.000
H6 1.663 -0.150 0.879
H7 1.663 -0.150 -0.879
H8 -0.194 1.557 0.875
H9 -0.194 1.557 -0.875
H10 -2.069 0.100 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.53842.56532.85751.08601.08561.08562.17272.17273.5475
C21.53841.54202.44642.17022.17252.17251.08951.08952.2326
C32.56531.54201.21673.50282.81772.81772.14732.14731.1045
O42.85752.44641.21673.92962.82462.82463.12983.12982.0255
H51.08602.17023.50283.92961.76271.76272.50552.50554.3771
H61.08562.17252.81772.82461.76271.75852.52223.07233.8422
H71.08562.17252.81772.82461.76271.75853.07232.52223.8422
H82.17271.08952.14733.12982.50552.52223.07231.75012.5310
H92.17271.08952.14733.12982.50553.07232.52221.75012.5310
H103.54752.23261.10452.02554.37713.84223.84222.53102.5310

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.767 C1 C2 H8 110.364
C1 C2 H9 110.364 C2 C1 H5 110.381
C2 C1 H6 110.585 C2 C1 H7 110.585
C2 C3 O4 124.528 C2 C3 H10 114.021
C3 C2 H8 108.136 C3 C2 H9 108.136
O4 C3 H10 121.450 H5 C1 H6 108.524
H5 C1 H7 108.524 H6 C1 H7 108.167
H8 C2 H9 106.860
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 -0.176      
2 C -0.122      
3 C 0.142      
4 O -0.213      
5 H 0.062      
6 H 0.066      
7 H 0.066      
8 H 0.065      
9 H 0.065      
10 H 0.045      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.165 1.749 0.000 1.757
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.730 -1.020 0.000
y -1.020 -26.044 0.000
z 0.000 0.000 -22.597
Traceless
 xyz
x 1.590 -1.020 0.000
y -1.020 -3.380 0.000
z 0.000 0.000 1.790
Polar
3z2-r23.580
x2-y23.314
xy-1.020
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.607 -0.053 0.000
y -0.053 3.142 0.000
z 0.000 0.000 1.892


<r2> (average value of r2) Å2
<r2> 84.569
(<r2>)1/2 9.196