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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: PBE1PBE/6-31G**

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/6-31G**
 hartrees
Energy at 0K-192.915682
Energy at 298.15K-192.922027
HF Energy-192.915682
Nuclear repulsion energy118.639625
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/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3173 3024 17.39      
2 A' 3091 2946 15.78      
3 A' 3050 2907 23.18      
4 A' 2931 2793 138.88      
5 A' 1869 1781 141.70      
6 A' 1526 1455 9.33      
7 A' 1478 1409 13.48      
8 A' 1445 1378 16.13      
9 A' 1431 1364 2.48      
10 A' 1387 1322 10.01      
11 A' 1132 1078 14.98      
12 A' 1018 970 0.94      
13 A' 881 839 21.01      
14 A' 680 648 5.47      
15 A' 259 247 9.09      
16 A" 3175 3026 16.71      
17 A" 3082 2938 8.55      
18 A" 1521 1450 7.78      
19 A" 1293 1232 0.12      
20 A" 1157 1103 0.11      
21 A" 908 866 3.21      
22 A" 675 644 4.33      
23 A" 234 223 0.36      
24 A" 135 128 1.69      

Unscaled Zero Point Vibrational Energy (zpe) 18764.5 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 17884.4 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/6-31G**
ABC
0.55678 0.19805 0.15436

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.445 0.449 0.000
C2 0.000 0.915 0.000
C3 -0.996 -0.213 0.000
O4 -0.703 -1.385 0.000
H5 2.131 1.302 0.000
H6 1.655 -0.165 0.881
H7 1.655 -0.165 -0.881
H8 -0.226 1.549 0.871
H9 -0.226 1.549 -0.871
H10 -2.064 0.102 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.51842.52912.82461.09411.09381.09382.18172.18173.5261
C21.51841.50442.40472.16572.16362.16361.10091.10092.2180
C32.52911.50441.20773.47402.79382.79382.11072.11071.1137
O42.82462.40471.20773.90492.79752.79753.09703.09702.0155
H51.09412.16573.47403.90491.77541.77542.52452.52454.3628
H61.09382.16362.79382.79751.77541.76112.54433.08913.8313
H71.09382.16362.79382.79751.77541.76113.08912.54433.8313
H82.18171.10092.11073.09702.52452.54433.08911.74302.4961
H92.18171.10092.11073.09702.52453.08912.54431.74302.4961
H103.52612.21801.11372.01554.36283.83133.83132.49612.4961

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 113.576 C1 C2 H8 111.811
C1 C2 H9 111.811 C2 C1 H5 110.943
C2 C1 H6 110.792 C2 C1 H7 110.792
C2 C3 O4 124.547 C2 C3 H10 114.999
C3 C2 H8 107.213 C3 C2 H9 107.213
O4 C3 H10 120.453 H5 C1 H6 108.483
H5 C1 H7 108.483 H6 C1 H7 107.227
H8 C2 H9 104.681
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.518      
2 C -0.421      
3 C 0.243      
4 O -0.383      
5 H 0.174      
6 H 0.192      
7 H 0.192      
8 H 0.196      
9 H 0.196      
10 H 0.129      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.070 2.576 0.000 2.577
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.793 -1.623 0.000
y -1.623 -27.873 0.000
z 0.000 0.000 -23.911
Traceless
 xyz
x 2.099 -1.623 0.000
y -1.623 -4.021 0.000
z 0.000 0.000 1.922
Polar
3z2-r23.843
x2-y24.080
xy-1.623
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.450 0.004 0.000
y 0.004 5.626 0.000
z 0.000 0.000 3.947


<r2> (average value of r2) Å2
<r2> 84.020
(<r2>)1/2 9.166