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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: PBEPBE/aug-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/aug-cc-pVTZ
 hartrees
Energy at 0K-192.974336
Energy at 298.15K-192.980533
HF Energy-192.974336
Nuclear repulsion energy117.913537
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/aug-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' 3055 3035 15.41      
2 A' 2984 2965 16.79      
3 A' 2937 2918 25.01      
4 A' 2771 2753 149.44      
5 A' 1743 1732 161.57      
6 A' 1446 1437 7.65      
7 A' 1389 1380 15.47      
8 A' 1366 1357 17.96      
9 A' 1354 1345 0.36      
10 A' 1309 1300 15.23      
11 A' 1079 1072 11.62      
12 A' 974 967 0.95      
13 A' 834 828 26.18      
14 A' 651 647 3.80      
15 A' 242 240 8.00      
16 A" 3054 3034 16.11      
17 A" 2958 2939 5.74      
18 A" 1438 1429 7.95      
19 A" 1231 1223 0.30      
20 A" 1098 1091 0.75      
21 A" 868 862 1.64      
22 A" 634 630 4.16      
23 A" 216 214 0.57      
24 A" 125 124 1.66      

Unscaled Zero Point Vibrational Energy (zpe) 17876.5 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 17760.3 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 PBEPBE/aug-cc-pVTZ
ABC
0.55911 0.19289 0.15141

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.460 0.475 0.000
C2 0.000 0.908 0.000
C3 -0.998 -0.222 0.000
O4 -0.714 -1.404 0.000
H5 2.126 1.347 0.000
H6 1.688 -0.136 0.883
H7 1.688 -0.136 -0.883
H8 -0.244 1.543 0.872
H9 -0.244 1.543 -0.872
H10 -2.071 0.104 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.52282.55442.87331.09761.09761.09762.19212.19213.5505
C21.52281.50712.41922.17112.17212.17211.10581.10582.2217
C32.55441.50711.21513.49572.82842.82842.10732.10731.1219
O42.87332.41921.21513.95412.85642.85643.10813.10812.0280
H51.09762.17113.49573.95411.78061.78062.53352.53354.3776
H61.09762.17212.82842.85641.78061.76632.55963.10343.8689
H71.09762.17212.82842.85641.78061.76633.10342.55963.8689
H82.19211.10582.10733.10812.53352.55963.10341.74342.4833
H92.19211.10582.10733.10812.53353.10342.55961.74342.4833
H103.55052.22171.12192.02804.37763.86893.86892.48332.4833

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 114.927 C1 C2 H8 112.039
C1 C2 H9 112.039 C2 C1 H5 110.859
C2 C1 H6 110.940 C2 C1 H7 110.940
C2 C3 O4 125.078 C2 C3 H10 114.569
C3 C2 H8 106.498 C3 C2 H9 106.498
O4 C3 H10 120.353 H5 C1 H6 108.413
H5 C1 H7 108.413 H6 C1 H7 107.147
H8 C2 H9 104.063
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.589      
2 C -0.110      
3 C -0.012      
4 O -0.549      
5 H 0.189      
6 H 0.196      
7 H 0.196      
8 H 0.178      
9 H 0.178      
10 H 0.323      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.091 2.698 0.000 2.700
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.690 -1.573 0.000
y -1.573 -28.872 0.000
z 0.000 0.000 -24.615
Traceless
 xyz
x 2.053 -1.573 0.000
y -1.573 -4.219 0.000
z 0.000 0.000 2.166
Polar
3z2-r24.332
x2-y24.182
xy-1.573
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.346 0.068 0.000
y 0.068 7.299 0.000
z 0.000 0.000 5.296


<r2> (average value of r2) Å2
<r2> 85.801
(<r2>)1/2 9.263