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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: CCD/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/6-31+G**
 hartrees
Energy at 0K-192.603520
Energy at 298.15K-192.609907
HF Energy-191.965122
Nuclear repulsion energy118.343828
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 CCD/6-31+G**
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' 3207 3022 22.27      
2 A' 3123 2942 18.47      
3 A' 3094 2916 29.69      
4 A' 3018 2844 103.47      
5 A' 1851 1744 131.60      
6 A' 1548 1459 7.49      
7 A' 1515 1427 10.28      
8 A' 1478 1393 9.44      
9 A' 1456 1372 4.32      
10 A' 1422 1340 6.43      
11 A' 1149 1083 12.21      
12 A' 1034 975 1.05      
13 A' 888 837 16.80      
14 A' 682 643 8.37      
15 A' 262 247 8.58      
16 A" 3212 3027 23.16      
17 A" 3131 2951 11.41      
18 A" 1543 1454 6.08      
19 A" 1313 1237 0.80      
20 A" 1183 1115 0.51      
21 A" 924 870 0.89      
22 A" 699 658 1.89      
23 A" 238 224 0.39      
24 A" 131 124 3.76      

Unscaled Zero Point Vibrational Energy (zpe) 19050.1 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 17950.9 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 CCD/6-31+G**
ABC
0.55624 0.19604 0.15309

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.452 0.455 0.000
C2 0.000 0.917 0.000
C3 -1.000 -0.213 0.000
O4 -0.707 -1.393 0.000
H5 2.123 1.314 0.000
H6 1.665 -0.151 0.879
H7 1.665 -0.151 -0.879
H8 -0.222 1.542 0.872
H9 -0.222 1.542 -0.872
H10 -2.061 0.093 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.52342.54132.84231.08991.08931.08932.17812.17813.5317
C21.52341.50882.41592.15982.16502.16501.09561.09562.2199
C32.54131.50881.21603.47632.80722.80722.10832.10831.1042
O42.84232.41591.21603.91652.81842.81843.10023.10022.0100
H51.08992.15983.47633.91651.76921.76922.51242.51244.3587
H61.08932.16502.80722.81841.76921.75822.53613.08173.8364
H71.08932.16502.80722.81841.76921.75823.08172.53613.8364
H82.17811.09562.10833.10022.51242.53613.08171.74332.4985
H92.17811.09562.10833.10022.51243.08172.53611.74332.4985
H103.53172.21991.10422.01004.35873.83643.83642.49852.4985

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 113.879 C1 C2 H8 111.493
C1 C2 H9 111.493 C2 C1 H5 110.371
C2 C1 H6 110.821 C2 C1 H7 110.821
C2 C3 O4 124.554 C2 C3 H10 115.456
C3 C2 H8 107.027 C3 C2 H9 107.027
O4 C3 H10 119.990 H5 C1 H6 108.562
H5 C1 H7 108.562 H6 C1 H7 107.615
H8 C2 H9 105.428
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability