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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: HSEh1PBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/6-31G*
 hartrees
Energy at 0K-192.931931
Energy at 298.15K-192.938262
HF Energy-192.931931
Nuclear repulsion energy118.650789
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 HSEh1PBE/6-31G*
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' 3171 3015 18.32      
2 A' 3089 2938 16.29      
3 A' 3047 2898 23.94      
4 A' 2928 2784 141.41      
5 A' 1867 1775 142.04      
6 A' 1527 1452 9.17      
7 A' 1478 1406 13.32      
8 A' 1445 1375 15.80      
9 A' 1431 1361 2.48      
10 A' 1387 1319 9.85      
11 A' 1131 1075 15.00      
12 A' 1017 967 0.92      
13 A' 880 837 20.96      
14 A' 680 647 5.52      
15 A' 259 246 9.13      
16 A" 3173 3017 17.62      
17 A" 3079 2928 9.15      
18 A" 1522 1447 7.60      
19 A" 1292 1229 0.13      
20 A" 1157 1101 0.09      
21 A" 908 864 3.20      
22 A" 675 642 4.14      
23 A" 234 223 0.35      
24 A" 135 128 1.69      

Unscaled Zero Point Vibrational Energy (zpe) 18755.1 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 17836.1 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 HSEh1PBE/6-31G*
ABC
0.55670 0.19814 0.15441

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.445 0.449 0.000
C2 0.000 0.915 0.000
C3 -0.996 -0.213 0.000
O4 -0.703 -1.384 0.000
H5 2.131 1.301 0.000
H6 1.655 -0.165 0.880
H7 1.655 -0.165 -0.880
H8 -0.225 1.549 0.871
H9 -0.225 1.549 -0.871
H10 -2.064 0.103 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.51842.52872.82391.09391.09371.09372.18172.18173.5257
C21.51841.50422.40442.16572.16352.16351.10081.10082.2177
C32.52871.50421.20773.47362.79332.79332.11062.11061.1136
O42.82392.40441.20773.90412.79662.79663.09683.09682.0156
H51.09392.16573.47363.90411.77521.77522.52462.52464.3624
H61.09372.16352.79332.79661.77521.76082.54443.08913.8308
H71.09372.16352.79332.79661.77521.76083.08912.54443.8308
H82.18171.10082.11063.09682.52462.54443.08911.74262.4958
H92.18171.10082.11063.09682.52463.08912.54441.74262.4958
H103.52572.21771.11362.01564.36243.83083.83082.49582.4958

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 113.563 C1 C2 H8 111.822
C1 C2 H9 111.822 C2 C1 H5 110.953
C2 C1 H6 110.794 C2 C1 H7 110.794
C2 C3 O4 124.537 C2 C3 H10 114.997
C3 C2 H8 107.219 C3 C2 H9 107.219
O4 C3 H10 120.466 H5 C1 H6 108.480
H5 C1 H7 108.480 H6 C1 H7 107.218
H8 C2 H9 104.660
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.512      
2 C -0.413      
3 C 0.244      
4 O -0.383      
5 H 0.172      
6 H 0.190      
7 H 0.190      
8 H 0.193      
9 H 0.193      
10 H 0.127      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.068 2.574 0.000 2.575
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.805 -1.618 0.000
y -1.618 -27.880 0.000
z 0.000 0.000 -23.912
Traceless
 xyz
x 2.091 -1.618 0.000
y -1.618 -4.021 0.000
z 0.000 0.000 1.931
Polar
3z2-r23.861
x2-y24.075
xy-1.618
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.458 0.003 0.000
y 0.003 5.633 0.000
z 0.000 0.000 3.950


<r2> (average value of r2) Å2
<r2> 84.005
(<r2>)1/2 9.165