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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: QCISD/daug-cc-pVTZ

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/daug-cc-pVTZ
 hartrees
Energy at 0K-192.812139
Energy at 298.15K 
HF Energy-192.025806
Nuclear repulsion energy118.615836
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/daug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at QCISD/daug-cc-pVTZ
ABC
0.55780 0.19725 0.15394

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/daug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.449 0.452 0.000
C2 0.000 0.916 0.000
C3 -0.998 -0.213 0.000
O4 -0.705 -1.387 0.000
H5 2.125 1.307 0.000
H6 1.660 -0.157 0.879
H7 1.660 -0.157 -0.879
H8 -0.225 1.541 0.871
H9 -0.225 1.541 -0.871
H10 -2.060 0.094 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.52152.53542.83211.09011.08981.08982.17902.17903.5270
C21.52151.50672.40792.16032.16292.16291.09561.09562.2175
C32.53541.50671.20913.47282.79932.79932.10552.10551.1060
O42.83212.40791.20913.90712.80632.80633.09183.09182.0072
H51.09012.16033.47283.90711.77041.77042.51692.51694.3566
H61.08982.16292.79932.80631.77041.75762.53713.08203.8301
H71.08982.16292.79932.80631.77041.75763.08202.53713.8301
H82.17901.09562.10553.09182.51692.53713.08201.74212.4933
H92.17901.09562.10553.09182.51693.08202.53711.74212.4933
H103.52702.21751.10602.00724.35663.83013.83012.49332.4933

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 113.710 C1 C2 H8 111.703
C1 C2 H9 111.703 C2 C1 H5 110.540
C2 C1 H6 110.759 C2 C1 H7 110.759
C2 C3 O4 124.546 C2 C3 H10 115.295
C3 C2 H8 106.949 C3 C2 H9 106.949
O4 C3 H10 120.159 H5 C1 H6 108.604
H5 C1 H7 108.604 H6 C1 H7 107.478
H8 C2 H9 105.318
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability