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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: B2PLYP/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/6-311G*
 hartrees
Energy at 0K-192.984335
Energy at 298.15K-192.990696
HF Energy-192.783956
Nuclear repulsion energy118.418862
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 B2PLYP/6-311G*
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' 3148 3148 25.53      
2 A' 3077 3077 19.77      
3 A' 3041 3041 29.11      
4 A' 2912 2912 156.43      
5 A' 1798 1798 130.92      
6 A' 1535 1535 9.37      
7 A' 1487 1487 15.89      
8 A' 1451 1451 13.70      
9 A' 1430 1430 3.10      
10 A' 1388 1388 11.67      
11 A' 1128 1128 15.10      
12 A' 1015 1015 0.95      
13 A' 863 863 20.63      
14 A' 678 678 5.76      
15 A' 261 261 8.60      
16 A" 3152 3152 26.76      
17 A" 3067 3067 13.28      
18 A" 1530 1530 8.74      
19 A" 1303 1303 0.28      
20 A" 1162 1162 0.36      
21 A" 913 913 1.90      
22 A" 682 682 3.59      
23 A" 236 236 0.45      
24 A" 139 139 2.08      

Unscaled Zero Point Vibrational Energy (zpe) 18696.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18696.3 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 B2PLYP/6-311G*
ABC
0.55755 0.19605 0.15316

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.452 0.455 0.000
C2 0.000 0.916 0.000
C3 -0.999 -0.217 0.000
O4 -0.709 -1.390 0.000
H5 2.131 1.310 0.000
H6 1.668 -0.154 0.878
H7 1.668 -0.154 -0.878
H8 -0.225 1.546 0.870
H9 -0.225 1.546 -0.870
H10 -2.065 0.096 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.52342.54132.84161.09101.09031.09032.18152.18153.5355
C21.52341.50992.41222.16682.16732.16731.09751.09752.2220
C32.54131.50991.20853.48182.80792.80792.11272.11271.1110
O42.84162.41221.20853.91802.81872.81873.10033.10032.0113
H51.09102.16683.48183.91801.76861.76862.52212.52214.3679
H61.09032.16732.80792.81871.76861.75542.54463.08673.8427
H71.09032.16732.80792.81871.76861.75543.08672.54463.8427
H82.18151.09752.11273.10032.52212.54463.08671.73932.4995
H92.18151.09752.11273.10032.52213.08672.54461.73932.4995
H103.53552.22201.11102.01134.36793.84273.84272.49952.4995

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 113.817 C1 C2 H8 111.652
C1 C2 H9 111.652 C2 C1 H5 110.869
C2 C1 H6 110.952 C2 C1 H7 110.952
C2 C3 O4 124.714 C2 C3 H10 115.095
C3 C2 H8 107.181 C3 C2 H9 107.181
O4 C3 H10 120.191 H5 C1 H6 108.356
H5 C1 H7 108.356 H6 C1 H7 107.224
H8 C2 H9 104.821
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.623      
2 C -0.497      
3 C 0.118      
4 O -0.277      
5 H 0.214      
6 H 0.223      
7 H 0.223      
8 H 0.228      
9 H 0.228      
10 H 0.162      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.128 2.534 0.000 2.537
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.497 -1.555 0.000
y -1.555 -28.641 0.000
z 0.000 0.000 -24.486
Traceless
 xyz
x 2.067 -1.555 0.000
y -1.555 -4.150 0.000
z 0.000 0.000 2.083
Polar
3z2-r24.166
x2-y24.144
xy-1.555
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.797 -0.069 0.000
y -0.069 5.905 0.000
z 0.000 0.000 4.212


<r2> (average value of r2) Å2
<r2> 84.906
(<r2>)1/2 9.214