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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: B3PW91/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-311+G(3df,2p)
 hartrees
Energy at 0K-193.140993
Energy at 298.15K-193.147288
HF Energy-193.140993
Nuclear repulsion energy118.740218
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 B3PW91/6-311+G(3df,2p)
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' 3122 2989 16.87      
2 A' 3049 2919 16.63      
3 A' 3009 2881 25.14      
4 A' 2870 2747 129.67      
5 A' 1825 1748 172.81      
6 A' 1494 1430 8.27      
7 A' 1441 1379 16.25      
8 A' 1417 1356 18.31      
9 A' 1403 1343 1.08      
10 A' 1360 1302 11.86      
11 A' 1112 1065 13.45      
12 A' 1003 960 0.79      
13 A' 858 822 24.24      
14 A' 672 644 5.59      
15 A' 249 238 8.55      
16 A" 3124 2991 17.28      
17 A" 3034 2904 6.59      
18 A" 1486 1422 8.26      
19 A" 1273 1219 0.15      
20 A" 1140 1092 0.48      
21 A" 900 861 1.69      
22 A" 659 631 3.84      
23 A" 224 214 0.67      
24 A" 131 126 2.36      

Unscaled Zero Point Vibrational Energy (zpe) 18428.3 cm-1
Scaled (by 0.9573) Zero Point Vibrational Energy (zpe) 17641.4 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 B3PW91/6-311+G(3df,2p)
ABC
0.56564 0.19573 0.15354

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.452 0.465 0.000
C2 0.000 0.905 0.000
C3 -0.993 -0.221 0.000
O4 -0.711 -1.389 0.000
H5 2.117 1.329 0.000
H6 1.676 -0.141 0.878
H7 1.676 -0.141 -0.878
H8 -0.237 1.535 0.867
H9 -0.237 1.535 -0.867
H10 -2.059 0.097 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.51712.53972.84931.09041.09011.09012.17872.17873.5302
C21.51711.50112.40152.15942.16182.16181.09771.09772.2116
C32.53971.50111.20173.47532.81082.81082.09902.09901.1122
O42.84932.40151.20173.92302.83292.83293.08613.08612.0063
H51.09042.15943.47533.92301.76851.76852.51702.51704.3541
H61.09012.16182.81082.83291.76851.75512.54283.08403.8439
H71.09012.16182.81082.83291.76851.75513.08402.54283.8439
H82.17871.09772.09903.08612.51702.54283.08401.73492.4776
H92.17871.09772.09903.08612.51703.08402.54281.73492.4776
H103.53022.21161.11222.00634.35413.84393.84392.47762.4776

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 114.586 C1 C2 H8 111.868
C1 C2 H9 111.868 C2 C1 H5 110.760
C2 C1 H6 110.964 C2 C1 H7 110.964
C2 C3 O4 125.007 C2 C3 H10 114.802
C3 C2 H8 106.707 C3 C2 H9 106.707
O4 C3 H10 120.192 H5 C1 H6 108.401
H5 C1 H7 108.401 H6 C1 H7 107.226
H8 C2 H9 104.423
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.358      
2 C -0.099      
3 C 0.272      
4 O -0.622      
5 H 0.125      
6 H 0.144      
7 H 0.144      
8 H 0.146      
9 H 0.146      
10 H 0.104      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.013 2.778 0.000 2.778
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.128 -1.661 0.000
y -1.661 -28.618 0.000
z 0.000 0.000 -24.268
Traceless
 xyz
x 2.315 -1.661 0.000
y -1.661 -4.420 0.000
z 0.000 0.000 2.105
Polar
3z2-r24.210
x2-y24.490
xy-1.661
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.710 0.067 0.000
y 0.067 6.732 0.000
z 0.000 0.000 4.929


<r2> (average value of r2) Å2
<r2> 84.610
(<r2>)1/2 9.198