Acetaldehyde
Molecule Viewer
Thermodynamics at 298.15 K and standard pressure
| Enthalpy | ||
| Property | Value | Unit | 
| Translational | 6.20 | kJ mol-1 | 
| Rotational | 3.72 | kJ mol-1 | 
| Vibrational | 148.06 | kJ mol-1 | 
| Total (Trans. + Rot. + Vib.) | 157.97 | kJ mol-1 | 
| Heat Capacity at Constant Pressure | ||
| Property | Value | Unit | 
| Translational | 20.79 | J mol-1 K-1 | 
| Rotational | 12.47 | J mol-1 K-1 | 
| Vibrational | 22.10 | J mol-1 K-1 | 
| Total (Trans. + Rot. + Vib.) | 55.35 | J mol-1 K-1 | 
| Entropy | ||
| Property | Value | Unit | 
| Translational | 155.95 | J mol-1 K-1 | 
| Rotational | 90.56 | J mol-1 K-1 | 
| Vibrational | 16.80 | J mol-1 K-1 | 
| Total (Trans. + Rot. + Vib.) | 263.31 | J mol-1 K-1 | 
| Other Properties | ||
| Property | Value | Unit | 
| Heat of Formation | -184.75 | kJ mol-1 | 
Molecular Orbitals
- 1 -552.07 eV View
 - 2 -302.66 eV View
 - 3 -300.82 eV View
 - 4 -36.27 eV View
 - 5 -26.20 eV View
 - 6 -20.30 eV View
 - 7 -16.65 eV View
 - 8 -15.25 eV View
 - 9 -14.89 eV View
 - 10 -13.48 eV View
 - 11 -11.29 eV View
 - 12 -9.21 eV View
 - 13 7.99 eV View
 - 14 16.70 eV View
 - 15 18.42 eV View
 - 16 19.04 eV View
 - 17 19.72 eV View
 - 18 21.06 eV View
 - 19 26.77 eV View
 
Vibrational Frequencies
| Vibration | 
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| Vectors | 
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| Balls | 
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- 1 134.18 cm-1 View
 - 2 526.91 cm-1 View
 - 3 805.95 cm-1 View
 - 4 966.58 cm-1 View
 - 5 1051.82 cm-1 View
 - 6 1130.77 cm-1 View
 - 7 1214.10 cm-1 View
 - 8 1378.85 cm-1 View
 - 9 1393.27 cm-1 View
 - 10 1400.58 cm-1 View
 - 11 1984.36 cm-1 View
 - 12 2935.79 cm-1 View
 - 13 3081.87 cm-1 View
 - 14 3090.64 cm-1 View
 - 15 3180.79 cm-1 View
 
Aqueous Solvation Energy at 298.15 K
| Surface | 
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| Dipole | 
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| Translucent Molecule | 
                 | 
        
| Property | Value | Unit | 
| Total Solvation Energy | -6.94 | kJ mol-1 | 
| Polar Solvation Energy | -15.97 | kJ mol-1 | 
| Nonpolar Solvation Energy | 8.99 | kJ mol-1 | 
| Surface Area | 65.23 | Å2 | 
| Charge of Molecule | 0 | |
| Dipole | 3.16 | Debye |