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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: CISD/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CISD/6-311+G(3df,2p)
 hartrees
Energy at 0K-192.676427
Energy at 298.15K 
HF Energy-192.022278
Nuclear repulsion energy119.467092
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 CISD/6-311+G(3df,2p)
Rotational Constants (cm-1) from geometry optimized at CISD/6-311+G(3df,2p)
ABC
0.56809 0.19907 0.15570

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.444 0.451 0.000
C2 0.000 0.908 0.000
C3 -0.992 -0.217 0.000
O4 -0.705 -1.374 0.000
H5 2.113 1.302 0.000
H6 1.657 -0.153 0.873
H7 1.657 -0.153 -0.873
H8 -0.225 1.529 0.865
H9 -0.225 1.529 -0.865
H10 -2.047 0.091 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.51482.52592.81951.08271.08221.08222.16702.16703.5095
C21.51481.49972.38832.14922.15222.15221.08831.08832.2037
C32.52591.49971.19183.45642.78942.78942.09392.09391.0991
O42.81952.38831.19183.88642.79862.79863.06673.06671.9865
H51.08272.14923.45643.88641.75721.75722.50252.50254.3322
H61.08222.15222.78942.79861.75721.74522.52373.06403.8129
H71.08222.15222.78942.79861.75721.74523.06402.52373.8129
H82.16701.08832.09393.06672.50252.52373.06401.73012.4769
H92.16701.08832.09393.06672.50253.06402.52371.73012.4769
H103.50952.20371.09911.98654.33223.81293.81292.47692.4769

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 113.838 C1 C2 H8 111.657
C1 C2 H9 111.657 C2 C1 H5 110.558
C2 C1 H6 110.837 C2 C1 H7 110.837
C2 C3 O4 124.689 C2 C3 H10 115.114
C3 C2 H8 106.942 C3 C2 H9 106.942
O4 C3 H10 120.197 H5 C1 H6 108.516
H5 C1 H7 108.516 H6 C1 H7 107.474
H8 C2 H9 105.286
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability