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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: PBE1PBE/aug-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/aug-cc-pVDZ
 hartrees
Energy at 0K-192.942282
Energy at 298.15K-192.948596
HF Energy-192.942282
Nuclear repulsion energy118.438466
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/aug-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' 3158 3037 16.62      
2 A' 3071 2953 16.29      
3 A' 3038 2921 26.02      
4 A' 2907 2795 126.45      
5 A' 1832 1762 173.93      
6 A' 1470 1414 9.06      
7 A' 1427 1373 9.74      
8 A' 1402 1348 19.00      
9 A' 1389 1336 7.44      
10 A' 1357 1305 8.97      
11 A' 1119 1076 11.08      
12 A' 1003 965 1.08      
13 A' 877 844 22.92      
14 A' 672 646 6.05      
15 A' 249 240 8.89      
16 A" 3158 3037 17.42      
17 A" 3071 2953 6.93      
18 A" 1462 1406 8.07      
19 A" 1265 1217 0.26      
20 A" 1135 1091 0.61      
21 A" 895 861 1.47      
22 A" 657 631 3.92      
23 A" 229 220 0.82      
24 A" 135 130 2.34      

Unscaled Zero Point Vibrational Energy (zpe) 18489.7 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 17779.7 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/aug-cc-pVDZ
ABC
0.56190 0.19542 0.15319

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.452 0.466 0.000
C2 0.000 0.906 0.000
C3 -0.994 -0.219 0.000
O4 -0.709 -1.393 0.000
H5 2.120 1.336 0.000
H6 1.676 -0.144 0.884
H7 1.676 -0.144 -0.884
H8 -0.240 1.538 0.873
H9 -0.240 1.538 -0.873
H10 -2.066 0.099 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.51702.54042.85071.09721.09711.09712.18472.18473.5375
C21.51701.50122.40542.16372.16612.16611.10401.10402.2184
C32.54041.50121.20803.48152.81372.81372.10162.10161.1182
O42.85072.40541.20803.93122.83342.83343.09363.09362.0167
H51.09722.16373.48153.93121.78051.78052.52472.52474.3659
H61.09712.16612.81372.83341.78051.76712.54973.09603.8530
H71.09712.16612.81372.83341.78051.76713.09602.54973.8530
H82.18471.10402.10163.09362.52472.54973.09601.74542.4836
H92.18471.10402.10163.09362.52473.09602.54971.74542.4836
H103.53752.21841.11822.01674.36593.85303.85302.48362.4836

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 114.643 C1 C2 H8 111.962
C1 C2 H9 111.962 C2 C1 H5 110.698
C2 C1 H6 110.896 C2 C1 H7 110.896
C2 C3 O4 124.864 C2 C3 H10 114.974
C3 C2 H8 106.555 C3 C2 H9 106.555
O4 C3 H10 120.162 H5 C1 H6 108.474
H5 C1 H7 108.474 H6 C1 H7 107.289
H8 C2 H9 104.460
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.516      
2 C 0.189      
3 C 0.642      
4 O -0.523      
5 H -0.122      
6 H -0.116      
7 H -0.116      
8 H -0.135      
9 H -0.135      
10 H -0.200      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.002 2.799 0.000 2.799
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.281 -1.664 0.000
y -1.664 -28.819 0.000
z 0.000 0.000 -24.380
Traceless
 xyz
x 2.319 -1.664 0.000
y -1.664 -4.489 0.000
z 0.000 0.000 2.170
Polar
3z2-r24.340
x2-y24.538
xy-1.664
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.848 0.048 0.000
y 0.048 6.875 0.000
z 0.000 0.000 5.057


<r2> (average value of r2) Å2
<r2> 84.919
(<r2>)1/2 9.215