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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: PBEPBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-192.971276
Energy at 298.15K-192.977485
HF Energy-192.971276
Nuclear repulsion energy117.972088
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 PBEPBE/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' 3057 3036 16.73      
2 A' 2986 2965 16.84      
3 A' 2939 2918 24.07      
4 A' 2763 2744 160.56      
5 A' 1755 1743 143.96      
6 A' 1449 1439 7.77      
7 A' 1392 1383 14.43      
8 A' 1369 1360 16.61      
9 A' 1357 1347 0.40      
10 A' 1310 1301 15.50      
11 A' 1081 1073 12.26      
12 A' 975 968 0.81      
13 A' 835 829 26.49      
14 A' 653 649 3.84      
15 A' 244 242 8.05      
16 A" 3055 3034 17.48      
17 A" 2960 2939 6.99      
18 A" 1440 1430 7.82      
19 A" 1232 1223 0.25      
20 A" 1100 1093 0.58      
21 A" 870 864 2.01      
22 A" 638 633 4.10      
23 A" 221 219 0.40      
24 A" 123 122 1.36      

Unscaled Zero Point Vibrational Energy (zpe) 17900.4 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 17776.9 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 PBEPBE/cc-pVTZ
ABC
0.55799 0.19357 0.15174

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.458 0.471 0.000
C2 0.000 0.909 0.000
C3 -0.998 -0.221 0.000
O4 -0.713 -1.401 0.000
H5 2.130 1.339 0.000
H6 1.683 -0.142 0.883
H7 1.683 -0.142 -0.883
H8 -0.242 1.545 0.872
H9 -0.242 1.545 -0.872
H10 -2.071 0.107 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.52272.55142.86651.09761.09761.09762.19202.19203.5482
C21.52271.50782.41802.17242.17152.17151.10581.10582.2213
C32.55141.50781.21393.49482.82312.82312.10972.10971.1229
O42.86652.41801.21393.94812.84682.84683.10843.10842.0302
H51.09762.17243.49483.94811.78081.78082.53502.53504.3778
H61.09762.17152.82312.84681.78081.76572.55923.10293.8646
H71.09762.17152.82312.84681.78081.76573.10292.55923.8646
H82.19201.10582.10973.10842.53502.55923.10291.74362.4848
H92.19201.10582.10973.10842.53503.10292.55921.74362.4848
H103.54822.22131.12292.03024.37783.86463.86462.48482.4848

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 114.683 C1 C2 H8 112.036
C1 C2 H9 112.036 C2 C1 H5 110.967
C2 C1 H6 110.896 C2 C1 H7 110.896
C2 C3 O4 125.000 C2 C3 H10 114.418
C3 C2 H8 106.636 C3 C2 H9 106.636
O4 C3 H10 120.582 H5 C1 H6 108.430
H5 C1 H7 108.430 H6 C1 H7 107.089
H8 C2 H9 104.072
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.287      
2 C -0.144      
3 C 0.106      
4 O -0.221      
5 H 0.097      
6 H 0.106      
7 H 0.106      
8 H 0.099      
9 H 0.099      
10 H 0.040      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.055 2.550 0.000 2.551
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.574 -1.531 0.000
y -1.531 -28.410 0.000
z 0.000 0.000 -24.473
Traceless
 xyz
x 1.867 -1.531 0.000
y -1.531 -3.887 0.000
z 0.000 0.000 2.019
Polar
3z2-r24.039
x2-y23.836
xy-1.531
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.790 0.049 0.000
y 0.049 6.649 0.000
z 0.000 0.000 4.812


<r2> (average value of r2) Å2
<r2> 85.514
(<r2>)1/2 9.247