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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: MP2=FULL/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 MP2=FULL/6-31G**
 hartrees
Energy at 0K-192.579909
Energy at 298.15K-192.586319
HF Energy-191.959699
Nuclear repulsion energy118.611376
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 MP2=FULL/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3247 3034 17.19      
2 A' 3149 2943 14.84      
3 A' 3116 2912 18.81      
4 A' 3004 2807 129.84      
5 A' 1797 1679 82.87      
6 A' 1561 1459 6.29      
7 A' 1515 1415 10.24      
8 A' 1475 1378 8.07      
9 A' 1452 1357 3.42      
10 A' 1414 1321 8.46      
11 A' 1152 1076 13.70      
12 A' 1033 965 0.87      
13 A' 895 836 18.56      
14 A' 683 638 6.03      
15 A' 268 250 8.65      
16 A" 3251 3038 16.89      
17 A" 3163 2956 9.13      
18 A" 1559 1456 5.39      
19 A" 1320 1233 0.35      
20 A" 1181 1104 0.16      
21 A" 924 864 1.92      
22 A" 696 650 2.56      
23 A" 245 229 0.22      
24 A" 138 129 2.11      

Unscaled Zero Point Vibrational Energy (zpe) 19118.2 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 17864.0 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 MP2=FULL/6-31G**
ABC
0.55209 0.19927 0.15467

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.440 0.443 0.000
C2 0.000 0.922 0.000
C3 -0.997 -0.205 0.000
O4 -0.697 -1.389 0.000
H5 2.127 1.286 0.000
H6 1.641 -0.167 0.876
H7 1.641 -0.167 -0.876
H8 -0.218 1.548 0.869
H9 -0.218 1.548 -0.869
H10 -2.058 0.105 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.51772.52232.81491.08701.08651.08652.17392.17393.5149
C21.51771.50442.41352.15812.15522.15521.09341.09342.2144
C32.52231.50441.22223.46172.77982.77982.10612.10611.1053
O42.81492.41351.22223.88952.77892.77893.10053.10052.0219
H51.08702.15813.46173.88951.76511.76512.51452.51454.3488
H61.08652.15522.77982.77891.76511.75212.52923.07283.8110
H71.08652.15522.77982.77891.76511.75213.07282.52923.8110
H82.17391.09342.10613.10052.51452.52923.07281.73822.4951
H92.17391.09342.10613.10052.51453.07282.52921.73822.4951
H103.51492.21441.10532.02194.34883.81103.81102.49512.4951

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 113.152 C1 C2 H8 111.696
C1 C2 H9 111.696 C2 C1 H5 110.816
C2 C1 H6 110.613 C2 C1 H7 110.613
C2 C3 O4 124.224 C2 C3 H10 115.249
C3 C2 H8 107.279 C3 C2 H9 107.279
O4 C3 H10 120.527 H5 C1 H6 108.610
H5 C1 H7 108.610 H6 C1 H7 107.482
H8 C2 H9 105.289
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability