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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: B2PLYP/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS 1A'
Energy calculated at B2PLYP/aug-cc-pVTZ
 hartrees
Energy at 0K-193.061524
Energy at 298.15K-193.067866
HF Energy-192.814840
Nuclear repulsion energy118.588438
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 B2PLYP/aug-cc-pVTZ
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' 3138 3016 17.99      
2 A' 3067 2947 17.11      
3 A' 3030 2912 25.46      
4 A' 2909 2796 123.83      
5 A' 1776 1707 149.35      
6 A' 1515 1455 6.97      
7 A' 1462 1405 15.53      
8 A' 1432 1376 13.33      
9 A' 1416 1361 2.22      
10 A' 1376 1322 9.11      
11 A' 1121 1077 13.17      
12 A' 1011 972 1.05      
13 A' 861 827 21.72      
14 A' 671 645 6.04      
15 A' 255 245 8.37      
16 A" 3141 3019 18.68      
17 A" 3055 2936 7.76      
18 A" 1508 1449 7.01      
19 A" 1292 1242 0.32      
20 A" 1154 1109 0.57      
21 A" 908 873 1.25      
22 A" 673 647 3.06      
23 A" 227 219 0.60      
24 A" 137 132 2.86      

Unscaled Zero Point Vibrational Energy (zpe) 18567.9 cm-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 17843.8 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 B2PLYP/aug-cc-pVTZ
ABC
0.56156 0.19591 0.15334

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.455 0.457 0.000
C2 0.000 0.907 0.000
C3 -1.003 -0.211 0.000
O4 -0.711 -1.388 0.000
H5 2.126 1.316 0.000
H6 1.681 -0.147 0.876
H7 1.681 -0.147 -0.876
H8 -0.223 1.541 0.865
H9 -0.223 1.541 -0.865
H10 -2.066 0.089 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.52322.54772.84611.08971.08781.08782.17702.17703.5409
C21.52321.50192.40262.16542.16852.16851.09581.09582.2222
C32.54771.50191.21283.48222.82392.82392.10452.10451.1045
O42.84612.40261.21283.91982.83372.83373.09363.09362.0043
H51.08972.16543.48223.91981.76241.76242.51332.51334.3685
H61.08782.16852.82392.83371.76241.75212.54433.08293.8552
H71.08782.16852.82392.83371.76241.75213.08292.54433.8552
H82.17701.09582.10453.09362.51332.54433.08291.73002.5016
H92.17701.09582.10453.09362.51333.08292.54431.73002.5016
H103.54092.22221.10452.00434.36853.85523.85522.50162.5016

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 114.745 C1 C2 H8 111.406
C1 C2 H9 111.406 C2 C1 H5 110.845
C2 C1 H6 111.210 C2 C1 H7 111.210
C2 C3 O4 124.169 C2 C3 H10 116.161
C3 C2 H8 107.189 C3 C2 H9 107.189
O4 C3 H10 119.670 H5 C1 H6 108.065
H5 C1 H7 108.065 H6 C1 H7 107.290
H8 C2 H9 104.257
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.708      
2 C -0.200      
3 C -0.095      
4 O -0.598      
5 H 0.231      
6 H 0.241      
7 H 0.241      
8 H 0.235      
9 H 0.235      
10 H 0.420      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.027 2.753 0.000 2.754
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.518 -1.668 0.000
y -1.668 -29.031 0.000
z 0.000 0.000 -24.573
Traceless
 xyz
x 2.284 -1.668 0.000
y -1.668 -4.485 0.000
z 0.000 0.000 2.201
Polar
3z2-r24.402
x2-y24.513
xy-1.668
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.800 0.041 0.000
y 0.041 6.832 0.000
z 0.000 0.000 5.051


<r2> (average value of r2) Å2
<r2> 84.886
(<r2>)1/2 9.213