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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: CCD/aug-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 CCD/aug-cc-pVDZ
 hartrees
Energy at 0K-192.639959
Energy at 298.15K-192.646324
HF Energy-191.977070
Nuclear repulsion energy117.739855
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/aug-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' 3142 3030 21.72      
2 A' 3060 2951 16.04      
3 A' 3036 2928 30.71      
4 A' 2956 2851 102.08      
5 A' 1823 1758 134.58      
6 A' 1493 1440 6.79      
7 A' 1457 1406 9.42      
8 A' 1426 1376 12.29      
9 A' 1410 1360 3.95      
10 A' 1378 1329 3.88      
11 A' 1124 1084 11.26      
12 A' 1010 974 0.81      
13 A' 876 845 17.62      
14 A' 668 645 8.32      
15 A' 256 247 8.36      
16 A" 3143 3032 23.25      
17 A" 3072 2963 10.78      
18 A" 1488 1435 5.66      
19 A" 1283 1237 0.48      
20 A" 1149 1108 0.67      
21 A" 899 867 0.65      
22 A" 677 653 2.06      
23 A" 237 229 0.51      
24 A" 141 136 3.57      

Unscaled Zero Point Vibrational Energy (zpe) 18601.7 cm-1
Scaled (by 0.9645) Zero Point Vibrational Energy (zpe) 17941.4 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/aug-cc-pVDZ
ABC
0.55042 0.19429 0.15176

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.460 0.456 0.000
C2 0.000 0.920 0.000
C3 -1.005 -0.216 0.000
O4 -0.711 -1.395 0.000
H5 2.140 1.323 0.000
H6 1.675 -0.159 0.889
H7 1.675 -0.159 -0.889
H8 -0.227 1.552 0.881
H9 -0.227 1.552 -0.881
H10 -2.079 0.093 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.53182.55472.85261.10221.10191.10192.19612.19613.5569
C21.53181.51682.42192.17752.18162.18161.10741.10742.2370
C32.55471.51681.21533.50132.82412.82412.12272.12271.1174
O42.85262.42191.21533.93902.83032.83033.11363.11362.0217
H51.10222.17753.50133.93901.78951.78952.53602.53604.3941
H61.10192.18162.82412.83031.78951.77812.55813.11063.8656
H71.10192.18162.82412.83031.78951.77813.11062.55813.8656
H82.19611.10742.12273.11362.53602.55813.11061.76132.5160
H92.19611.10742.12273.11362.53603.11062.55811.76132.5160
H103.55692.23701.11742.02174.39413.86563.86562.51602.5160

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 113.851 C1 C2 H8 111.620
C1 C2 H9 111.620 C2 C1 H5 110.461
C2 C1 H6 110.796 C2 C1 H7 110.796
C2 C3 O4 124.496 C2 C3 H10 115.409
C3 C2 H8 106.942 C3 C2 H9 106.942
O4 C3 H10 120.095 H5 C1 H6 108.561
H5 C1 H7 108.561 H6 C1 H7 107.574
H8 C2 H9 105.356
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability