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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-192.856775
Energy at 298.15K-192.863145
HF Energy-192.856775
Nuclear repulsion energy118.059951
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
4/u)
Dep P Dep U
1 A' 3175 3035 18.28      
2 A' 3085 2949 15.69      
3 A' 3045 2911 34.30      
4 A' 2985 2853 107.63      
5 A' 1766 1689 108.11      
6 A' 1544 1476 11.10      
7 A' 1497 1431 23.36      
8 A' 1468 1403 15.72      
9 A' 1446 1382 5.53      
10 A' 1393 1332 12.67      
11 A' 1146 1096 16.55      
12 A' 1053 1007 1.52      
13 A' 893 853 21.10      
14 A' 688 658 5.18      
15 A' 264 253 10.30      
16 A" 3176 3036 18.71      
17 A" 3078 2943 7.99      
18 A" 1539 1471 10.35      
19 A" 1305 1247 0.24      
20 A" 1172 1120 0.81      
21 A" 930 889 2.73      
22 A" 706 675 7.85      
23 A" 227 217 0.57      
24 A" 128 122 2.00      

Unscaled Zero Point Vibrational Energy (zpe) 18854.5 cm-1
Scaled (by 0.9559) Zero Point Vibrational Energy (zpe) 18023.0 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
0.54918 0.19703 0.15317

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 1.447 0.448 0.000
C2 0.000 0.919 0.000
C3 -1.000 -0.200 0.000
O4 -0.705 -1.398 0.000
H5 2.136 1.298 0.000
H6 1.656 -0.167 0.880
H7 1.656 -0.167 -0.880
H8 -0.216 1.555 0.873
H9 -0.216 1.555 -0.873
H10 -2.061 0.110 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.52222.53152.83551.09391.09401.09402.18042.18043.5250
C21.52221.50082.42162.16902.16772.16771.10151.10152.2144
C32.53151.50081.23293.47502.79832.79832.11162.11161.1059
O42.83552.42161.23293.91642.80472.80473.11783.11782.0274
H51.09392.16903.47503.91641.77531.77532.52132.52134.3619
H61.09402.16772.79832.80471.77531.76022.54403.08963.8305
H71.09402.16772.79832.80471.77531.76023.08962.54403.8305
H82.18041.10152.11163.11782.52132.54403.08961.74612.5016
H92.18041.10152.11163.11782.52133.08962.54401.74612.5016
H103.52502.21441.10592.02744.36193.83053.83052.50162.5016

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 113.736 C1 C2 H8 111.403
C1 C2 H9 111.403 C2 C1 H5 110.955
C2 C1 H6 110.840 C2 C1 H7 110.840
C2 C3 O4 124.423 C2 C3 H10 115.486
C3 C2 H8 107.478 C3 C2 H9 107.478
O4 C3 H10 120.091 H5 C1 H6 108.476
H5 C1 H7 108.476 H6 C1 H7 107.125
H8 C2 H9 104.850
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 -0.486      
2 C -0.419      
3 C 0.224      
4 O -0.395      
5 H 0.166      
6 H 0.187      
7 H 0.187      
8 H 0.197      
9 H 0.197      
10 H 0.142      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.108 2.913 0.000 2.915
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.704 -1.808 0.000
y -1.808 -28.733 0.000
z 0.000 0.000 -24.132
Traceless
 xyz
x 2.728 -1.808 0.000
y -1.808 -4.815 0.000
z 0.000 0.000 2.087
Polar
3z2-r24.173
x2-y25.029
xy-1.808
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.201 -0.051 0.000
y -0.051 5.692 0.000
z 0.000 0.000 3.830


<r2> (average value of r2) Å2
<r2> 84.680
(<r2>)1/2 9.202