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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: B3LYP/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-36.478875
Energy at 298.15K-36.485154
HF Energy-36.478875
Nuclear repulsion energy65.722784
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 B3LYP/CEP-121G
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' 3092 3013 36.59      
2 A' 3005 2929 22.02      
3 A' 2972 2897 57.19      
4 A' 2905 2831 119.72      
5 A' 1678 1635 121.06      
6 A' 1523 1484 9.88      
7 A' 1483 1445 25.74      
8 A' 1439 1402 11.98      
9 A' 1406 1370 6.64      
10 A' 1363 1329 8.55      
11 A' 1112 1084 15.16      
12 A' 1018 992 1.66      
13 A' 846 825 19.11      
14 A' 658 641 6.41      
15 A' 249 243 9.70      
16 A" 3098 3019 40.34      
17 A" 3004 2928 19.15      
18 A" 1514 1476 9.16      
19 A" 1276 1243 0.85      
20 A" 1145 1116 1.12      
21 A" 897 874 1.66      
22 A" 690 672 5.93      
23 A" 213 208 0.65      
24 A" 117 114 2.73      

Unscaled Zero Point Vibrational Energy (zpe) 18351.9 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 17883.9 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 B3LYP/CEP-121G
ABC
0.53953 0.18957 0.14796

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.474 0.468 0.000
C2 0.000 0.930 0.000
C3 -1.016 -0.210 0.000
O4 -0.719 -1.425 0.000
H5 2.148 1.333 0.000
H6 1.693 -0.144 0.883
H7 1.693 -0.144 -0.883
H8 -0.222 1.563 0.876
H9 -0.222 1.563 -0.876
H10 -2.084 0.097 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.54482.58042.89661.09721.09631.09632.20142.20143.5776
C21.54481.52682.46202.18592.19052.19051.10381.10382.2446
C32.58041.52681.25073.52042.84952.84952.13102.13101.1116
O42.89662.46201.25073.97842.86952.86953.15323.15322.0445
H51.09722.18593.52043.97841.78061.78062.53792.53794.4095
H61.09632.19052.84952.86951.78061.76572.56593.11093.8862
H71.09632.19052.84952.86951.78061.76573.11092.56593.8862
H82.20141.10382.13103.15322.53792.56593.11091.75222.5268
H92.20141.10382.13103.15322.53793.11092.56591.75222.5268
H103.57762.24461.11162.04454.40953.88623.88622.52682.5268

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 114.301 C1 C2 H8 111.348
C1 C2 H9 111.348 C2 C1 H5 110.506
C2 C1 H6 110.934 C2 C1 H7 110.934
C2 C3 O4 124.552 C2 C3 H10 115.693
C3 C2 H8 107.117 C3 C2 H9 107.117
O4 C3 H10 119.755 H5 C1 H6 108.537
H5 C1 H7 108.537 H6 C1 H7 107.284
H8 C2 H9 105.070
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.475      
2 C -0.240      
3 C -0.012      
4 O -0.161      
5 H 0.147      
6 H 0.162      
7 H 0.162      
8 H 0.162      
9 H 0.162      
10 H 0.095      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.106 3.073 0.000 3.075
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.113 -1.890 0.000
y -1.890 -29.562 0.000
z 0.000 0.000 -24.503
Traceless
 xyz
x 2.919 -1.890 0.000
y -1.890 -5.254 0.000
z 0.000 0.000 2.334
Polar
3z2-r24.669
x2-y25.449
xy-1.890
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.916 -0.097 0.000
y -0.097 6.333 0.000
z 0.000 0.000 4.415


<r2> (average value of r2) Å2
<r2> 73.485
(<r2>)1/2 8.572