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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: QCISD/aug-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/aug-cc-pVTZ
 hartrees
Energy at 0K-192.810681
Energy at 298.15K 
HF Energy-192.025616
Nuclear repulsion energy118.617883
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/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at QCISD/aug-cc-pVTZ
ABC
0.55812 0.19716 0.15390

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.454 0.451 0.000
C2 0.000 0.910 0.000
C3 -1.004 -0.210 0.000
O4 -0.709 -1.385 0.000
H5 2.130 1.307 0.000
H6 1.674 -0.156 0.878
H7 1.674 -0.156 -0.878
H8 -0.219 1.544 0.867
H9 -0.219 1.544 -0.867
H10 -2.068 0.086 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.52462.54542.83671.09141.08961.08962.17822.17823.5401
C21.52461.50442.40202.16692.17012.17011.09641.09642.2258
C32.54541.50441.21163.48252.81922.81922.10852.10851.1036
O42.83672.40201.21163.91262.82142.82143.09373.09372.0023
H51.09142.16693.48253.91261.76611.76612.51512.51514.3718
H61.08962.17012.81922.82141.76611.75592.54403.08523.8509
H71.08962.17012.81922.82141.76611.75593.08522.54403.8509
H82.17821.09642.10853.09372.51512.54403.08521.73482.5093
H92.17821.09642.10853.09372.51513.08522.54401.73482.5093
H103.54012.22581.10362.00234.37183.85093.85092.50932.5093

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 114.351 C1 C2 H8 111.371
C1 C2 H9 111.371 C2 C1 H5 110.769
C2 C1 H6 111.134 C2 C1 H7 111.134
C2 C3 O4 123.997 C2 C3 H10 116.336
C3 C2 H8 107.294 C3 C2 H9 107.294
O4 C3 H10 119.667 H5 C1 H6 108.148
H5 C1 H7 108.148 H6 C1 H7 107.365
H8 C2 H9 104.585
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability