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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: B1B95/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 B1B95/cc-pVDZ
 hartrees
Energy at 0K-193.060956
Energy at 298.15K-193.067154
HF Energy-193.060956
Nuclear repulsion energy118.860675
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 B1B95/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' 3172 3049 15.29      
2 A' 3082 2963 16.11      
3 A' 3049 2931 24.87      
4 A' 2902 2790 143.47      
5 A' 1863 1791 158.22      
6 A' 1471 1414 8.81      
7 A' 1430 1375 10.36      
8 A' 1405 1350 13.19      
9 A' 1388 1334 7.78      
10 A' 1360 1307 7.74      
11 A' 1115 1072 12.24      
12 A' 1002 963 1.10      
13 A' 883 848 22.70      
14 A' 671 645 6.10      
15 A' 234 225 8.99      
16 A" 3170 3047 15.46      
17 A" 3082 2962 8.32      
18 A" 1456 1399 7.43      
19 A" 1268 1218 0.15      
20 A" 1137 1093 0.18      
21 A" 898 863 2.85      
22 A" 665 640 3.83      
23 A" 228 219 0.76      
24 A" 83 80 1.12      

Unscaled Zero Point Vibrational Energy (zpe) 18506.4 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 17788.3 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 B1B95/cc-pVDZ
ABC
0.55693 0.19971 0.15540

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.440 0.446 0.000
C2 0.000 0.912 0.000
C3 -0.994 -0.212 0.000
O4 -0.697 -1.379 0.000
H5 2.133 1.296 0.000
H6 1.649 -0.173 0.882
H7 1.649 -0.173 -0.882
H8 -0.232 1.548 0.872
H9 -0.232 1.548 -0.872
H10 -2.067 0.105 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.51372.52152.81021.09671.09701.09702.18382.18383.5240
C21.51371.50072.39492.16692.16152.16151.10361.10362.2194
C32.52151.50071.20423.47152.78612.78612.10682.10681.1192
O42.81022.39491.20423.89412.78102.78103.08923.08922.0199
H51.09672.16693.47153.89411.78031.78032.53252.53254.3657
H61.09702.16152.78612.78101.78031.76332.54863.09363.8292
H71.09702.16152.78612.78101.78031.76333.09362.54863.8292
H82.18381.10362.10683.08922.53252.54863.09361.74412.4925
H92.18381.10362.10683.08922.53253.09362.54861.74412.4925
H103.52402.21941.11922.01994.36573.82923.82922.49252.4925

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 113.541 C1 C2 H8 112.150
C1 C2 H9 112.150 C2 C1 H5 111.219
C2 C1 H6 110.764 C2 C1 H7 110.764
C2 C3 O4 124.235 C2 C3 H10 115.034
C3 C2 H8 107.002 C3 C2 H9 107.002
O4 C3 H10 120.731 H5 C1 H6 108.495
H5 C1 H7 108.495 H6 C1 H7 106.965
H8 C2 H9 104.401
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.045      
2 C -0.130      
3 C 0.151      
4 O -0.202      
5 H 0.031      
6 H 0.048      
7 H 0.048      
8 H 0.053      
9 H 0.053      
10 H -0.006      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.044 2.464 0.000 2.464
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.970 -1.530 0.000
y -1.530 -27.786 0.000
z 0.000 0.000 -23.990
Traceless
 xyz
x 1.918 -1.530 0.000
y -1.530 -3.806 0.000
z 0.000 0.000 1.888
Polar
3z2-r23.777
x2-y23.816
xy-1.530
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.832 -0.032 0.000
y -0.032 5.786 0.000
z 0.000 0.000 4.138


<r2> (average value of r2) Å2
<r2> 83.680
(<r2>)1/2 9.148