return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: wB97X-D/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/aug-cc-pVQZ
 hartrees
Energy at 0K-193.170643
Energy at 298.15K-193.176952
HF Energy-193.170643
Nuclear repulsion energy118.854953
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 wB97X-D/aug-cc-pVQZ
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' 3141 3141 18.48      
2 A' 3065 3065 16.83      
3 A' 3034 3034 25.01      
4 A' 2895 2895 126.03      
5 A' 1847 1847 179.14      
6 A' 1495 1495 8.69      
7 A' 1448 1448 11.46      
8 A' 1425 1425 20.37      
9 A' 1413 1413 2.70      
10 A' 1377 1377 10.01      
11 A' 1122 1122 13.73      
12 A' 1013 1013 0.84      
13 A' 862 862 23.22      
14 A' 677 677 6.20      
15 A' 261 261 8.59      
16 A" 3143 3143 18.89      
17 A" 3064 3064 7.23      
18 A" 1504 1504 8.07      
19 A" 1290 1290 0.20      
20 A" 1149 1149 0.51      
21 A" 909 909 1.46      
22 A" 656 656 3.92      
23 A" 232 232 0.24      
24 A" 117 117 3.27      

Unscaled Zero Point Vibrational Energy (zpe) 18568.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18568.3 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 wB97X-D/aug-cc-pVQZ
ABC
0.56616 0.19612 0.15382

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.452 0.463 0.000
C2 0.000 0.906 0.000
C3 -0.994 -0.221 0.000
O4 -0.711 -1.386 0.000
H5 2.116 1.325 0.000
H6 1.673 -0.142 0.877
H7 1.673 -0.142 -0.877
H8 -0.234 1.532 0.868
H9 -0.234 1.532 -0.868
H10 -2.057 0.095 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.51762.53912.84521.08881.08851.08852.17632.17633.5280
C21.51761.50262.40002.15762.16032.16031.09501.09502.2113
C32.53911.50261.19913.47332.80812.80812.09802.09801.1094
O42.84522.40001.19913.91722.82802.82803.08123.08122.0017
H51.08882.15763.47333.91721.76631.76632.51422.51424.3512
H61.08852.16032.80812.82801.76631.75442.53743.07953.8390
H71.08852.16032.80812.82801.76631.75443.07952.53743.8390
H82.17631.09502.09803.08122.51422.53743.07951.73542.4780
H92.17631.09502.09803.08122.51423.07952.53741.73542.4780
H103.52802.21131.10942.00174.35123.83903.83902.47802.4780

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 114.425 C1 C2 H8 111.796
C1 C2 H9 111.796 C2 C1 H5 110.671
C2 C1 H6 110.900 C2 C1 H7 110.900
C2 C3 O4 124.948 C2 C3 H10 114.853
C3 C2 H8 106.684 C3 C2 H9 106.684
O4 C3 H10 120.199 H5 C1 H6 108.434
H5 C1 H7 108.434 H6 C1 H7 107.389
H8 C2 H9 104.824
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.058      
2 C -0.079      
3 C 0.443      
4 O -0.605      
5 H 0.031      
6 H 0.009      
7 H 0.009      
8 H -0.020      
9 H -0.020      
10 H 0.174      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.029 2.781 0.000 2.781
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.028 -1.669 0.000
y -1.669 -28.594 0.000
z 0.000 0.000 -24.212
Traceless
 xyz
x 2.375 -1.669 0.000
y -1.669 -4.474 0.000
z 0.000 0.000 2.099
Polar
3z2-r24.198
x2-y24.566
xy-1.669
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.741 0.047 0.000
y 0.047 6.737 0.000
z 0.000 0.000 5.045


<r2> (average value of r2) Å2
<r2> 84.442
(<r2>)1/2 9.189