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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: HSEh1PBE/3-21G

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/3-21G
 hartrees
Energy at 0K-191.870682
Energy at 298.15K-191.877074
HF Energy-191.870682
Nuclear repulsion energy118.376650
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/3-21G
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' 3169 3053 13.53      
2 A' 3090 2976 12.28      
3 A' 3053 2941 17.04      
4 A' 2935 2827 128.55      
5 A' 1768 1703 77.50      
6 A' 1561 1504 10.40      
7 A' 1500 1445 24.59      
8 A' 1469 1416 17.99      
9 A' 1444 1391 4.66      
10 A' 1371 1320 14.79      
11 A' 1130 1089 21.18      
12 A' 1036 998 0.72      
13 A' 871 839 21.73      
14 A' 693 668 2.80      
15 A' 272 262 10.84      
16 A" 3166 3050 14.15      
17 A" 3084 2971 3.99      
18 A" 1561 1504 10.85      
19 A" 1321 1272 0.14      
20 A" 1175 1132 1.07      
21 A" 942 907 2.57      
22 A" 702 676 9.49      
23 A" 242 233 0.44      
24 A" 121 117 1.18      

Unscaled Zero Point Vibrational Energy (zpe) 18837.9 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 18146.5 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 HSEh1PBE/3-21G
ABC
0.53882 0.20215 0.15547

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.436 0.416 0.000
C2 0.000 0.937 0.000
C3 -0.998 -0.193 0.000
O4 -0.693 -1.382 0.000
H5 2.155 1.241 0.000
H6 1.611 -0.207 0.882
H7 1.611 -0.207 -0.882
H8 -0.202 1.568 0.879
H9 -0.202 1.568 -0.879
H10 -2.055 0.137 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.52722.50902.78701.09381.09421.09422.18672.18673.5025
C21.52721.50712.42022.17612.16402.16401.10091.10092.2055
C32.50901.50711.22823.46342.75462.75462.12252.12251.1075
O42.78702.42021.22823.87162.73292.73293.11703.11702.0407
H51.09382.17613.46343.87161.78021.78022.53682.53684.3525
H61.09422.16402.75462.73291.78021.76352.53773.08873.7871
H71.09422.16402.75462.73291.78021.76353.08872.53773.7871
H82.18671.10092.12253.11702.53682.53773.08871.75812.5009
H92.18671.10092.12253.11702.53683.08872.53771.75812.5009
H103.50252.20551.10752.04074.35253.78713.78712.50092.5009

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 111.557 C1 C2 H8 111.590
C1 C2 H9 111.590 C2 C1 H5 111.178
C2 C1 H6 110.183 C2 C1 H7 110.183
C2 C3 O4 124.141 C2 C3 H10 114.162
C3 C2 H8 107.931 C3 C2 H9 107.931
O4 C3 H10 121.698 H5 C1 H6 108.909
H5 C1 H7 108.909 H6 C1 H7 107.387
H8 C2 H9 105.980
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.615      
2 C -0.575      
3 C 0.260      
4 O -0.421      
5 H 0.213      
6 H 0.232      
7 H 0.232      
8 H 0.247      
9 H 0.247      
10 H 0.180      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.130 2.484 0.000 2.488
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.871 -1.589 0.000
y -1.589 -28.034 0.000
z 0.000 0.000 -24.161
Traceless
 xyz
x 2.227 -1.589 0.000
y -1.589 -4.019 0.000
z 0.000 0.000 1.792
Polar
3z2-r23.583
x2-y24.164
xy-1.589
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.990 -0.041 0.000
y -0.041 5.235 0.000
z 0.000 0.000 3.588


<r2> (average value of r2) Å2
<r2> 83.640
(<r2>)1/2 9.146