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: PBE1PBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/cc-pVDZ
 hartrees
Energy at 0K-192.928566
Energy at 298.15K-192.934901
HF Energy-192.928566
Nuclear repulsion energy118.565916
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 PBE1PBE/cc-pVDZ
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' 3165 3043 14.19      
2 A' 3075 2957 15.07      
3 A' 3040 2923 24.13      
4 A' 2894 2783 141.88      
5 A' 1861 1789 158.63      
6 A' 1472 1415 9.43      
7 A' 1429 1374 8.77      
8 A' 1402 1348 14.27      
9 A' 1392 1338 8.97      
10 A' 1360 1308 8.74      
11 A' 1121 1078 12.52      
12 A' 1007 968 1.15      
13 A' 881 847 22.78      
14 A' 676 650 6.05      
15 A' 256 246 8.79      
16 A" 3164 3043 13.76      
17 A" 3074 2956 7.51      
18 A" 1462 1405 7.84      
19 A" 1268 1219 0.12      
20 A" 1137 1093 0.23      
21 A" 901 866 3.10      
22 A" 665 639 4.17      
23 A" 240 230 0.44      
24 A" 132 127 1.38      

Unscaled Zero Point Vibrational Energy (zpe) 18536.2 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 17822.5 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 PBE1PBE/cc-pVDZ
ABC
0.55740 0.19771 0.15426

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.446 0.454 0.000
C2 0.000 0.911 0.000
C3 -0.995 -0.215 0.000
O4 -0.702 -1.385 0.000
H5 2.132 1.313 0.000
H6 1.661 -0.164 0.884
H7 1.661 -0.164 -0.884
H8 -0.235 1.547 0.874
H9 -0.235 1.547 -0.874
H10 -2.070 0.107 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.51622.53092.82781.09941.09971.09972.18752.18753.5325
C21.51621.50262.40072.16992.16702.16701.10651.10652.2200
C32.53091.50261.20573.48062.80022.80022.10912.10911.1221
O42.82782.40071.20573.91322.80382.80383.09533.09532.0241
H51.09942.16993.48063.91321.78391.78392.53452.53454.3714
H61.09972.16702.80022.80381.78391.76812.55443.10083.8440
H71.09972.16702.80022.80381.78391.76813.10082.55443.8440
H82.18751.10652.10913.09532.53452.55443.10081.74772.4904
H92.18751.10652.10913.09532.53453.10082.55441.74772.4904
H103.53252.22001.12212.02414.37143.84403.84402.49042.4904

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 113.939 C1 C2 H8 112.089
C1 C2 H9 112.089 C2 C1 H5 111.114
C2 C1 H6 110.863 C2 C1 H7 110.863
C2 C3 O4 124.488 C2 C3 H10 114.745
C3 C2 H8 106.886 C3 C2 H9 106.886
O4 C3 H10 120.767 H5 C1 H6 108.427
H5 C1 H7 108.427 H6 C1 H7 107.006
H8 C2 H9 104.314
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.080      
2 C -0.157      
3 C 0.146      
4 O -0.205      
5 H 0.043      
6 H 0.059      
7 H 0.059      
8 H 0.065      
9 H 0.065      
10 H 0.005      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.032 2.481 0.000 2.481
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.032 -1.557 0.000
y -1.557 -27.866 0.000
z 0.000 0.000 -24.057
Traceless
 xyz
x 1.930 -1.557 0.000
y -1.557 -3.822 0.000
z 0.000 0.000 1.892
Polar
3z2-r23.785
x2-y23.835
xy-1.557
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.852 -0.029 0.000
y -0.029 5.816 0.000
z 0.000 0.000 4.153


<r2> (average value of r2) Å2
<r2> 84.207
(<r2>)1/2 9.176