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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: QCISD(T)=FULL/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD(T)=FULL/Def2TZVPP
 hartrees
Energy at 0K-192.911408
Energy at 298.15K 
HF Energy-192.030319
Nuclear repulsion energy118.651534
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 QCISD(T)=FULL/Def2TZVPP
Rotational Constants (cm-1) from geometry optimized at QCISD(T)=FULL/Def2TZVPP
ABC
0.55658 0.19783 0.15418

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.447 0.449 0.000
C2 0.000 0.917 0.000
C3 -0.998 -0.212 0.000
O4 -0.703 -1.386 0.000
H5 2.124 1.302 0.000
H6 1.654 -0.160 0.878
H7 1.654 -0.160 -0.878
H8 -0.224 1.542 0.871
H9 -0.224 1.542 -0.871
H10 -2.060 0.096 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.52132.53312.82691.08851.08831.08832.17842.17843.5246
C21.52131.50722.40832.15882.16052.16051.09441.09442.2171
C32.53311.50721.21053.46982.79392.79392.10522.10521.1056
O42.82692.40831.21053.90082.79792.79793.09163.09162.0097
H51.08852.15883.46983.90081.76871.76872.51622.51624.3540
H61.08832.16052.79392.79791.76871.75542.53463.07903.8245
H71.08832.16052.79392.79791.76871.75543.07902.53463.8245
H82.17841.09442.10523.09162.51622.53463.07901.74102.4929
H92.17841.09442.10523.09162.51623.07902.53461.74102.4929
H103.52462.21711.10562.00974.35403.82453.82452.49292.4929

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 113.530 C1 C2 H8 111.746
C1 C2 H9 111.746 C2 C1 H5 110.529
C2 C1 H6 110.672 C2 C1 H7 110.672
C2 C3 O4 124.432 C2 C3 H10 115.249
C3 C2 H8 106.966 C3 C2 H9 106.966
O4 C3 H10 120.319 H5 C1 H6 108.684
H5 C1 H7 108.684 H6 C1 H7 107.510
H8 C2 H9 105.391
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability