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All results from a given calculation for C3H2O (Propadienal)

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes CS (bent) 1A'

Conformer 1 (C2V)

Jump to S1C2
Vibrational Frequencies calculated at CBS-Q
Rotational Constants (cm-1) from geometry optimized at CBS-Q
See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS (bent))

Jump to S1C1
Energy calculated at CBS-Q
 hartrees
Energy at 0K-190.363245
Energy at 298.15K-190.357680
HF Energy-189.536255
Nuclear repulsion energy89.449875
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 CBS-Q
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' 3359 3359 12.81 112.76 0.73 0.84
2 A' 3281 3281 32.19 145.71 0.11 0.20
3 A' 2451 2451 1734.01 68.46 0.36 0.53
4 A' 1954 1954 33.81 8.78 0.29 0.45
5 A' 1609 1609 4.20 15.54 0.55 0.71
6 A' 1153 1153 16.12 1.63 0.17 0.30
7 A' 1010 1010 4.04 48.59 0.25 0.40
8 A' 551 551 36.16 4.23 0.66 0.80
9 A' 59 59 28.05 2.82 0.72 0.84
10 A" 1143 1143 20.32 1.87 0.75 0.86
11 A" 743 743 42.56 4.98 0.75 0.86
12 A" 256 256 0.25 7.59 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8783.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8783.7 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 CBS-Q
ABC
3.91525 0.14788 0.14250

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.620 -1.734 0.000
C2 0.000 -0.581 0.000
C3 -0.216 0.681 0.000
O4 -0.526 1.786 0.000
H5 1.699 -1.812 0.000
H6 0.081 -2.671 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6
C11.30892.55493.70141.08201.0810
C21.30891.27992.42452.09812.0912
C32.55491.27991.14793.14303.3643
O43.70142.42451.14794.23004.4976
H51.08202.09813.14304.23001.8322
H61.08102.09123.36434.49761.8322

picture of Propadienal state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 161.429 C2 C1 H5 122.407
C2 C1 H6 121.802 C2 C3 O4 174.041
H5 C1 H6 115.791
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability