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Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology |
| You are here: Experimental > One molecule all properties | |
| Other names |
|---|
| n-Hexanal; 1-hexanal; hexan-1-al; Hexaldehyde; hexanal; |
| INChI | INChIKey | SMILES | IUPAC name |
|---|---|---|---|
| InChI=1S/C6H12O/c1-2-3-4-5-6-7/h6H,2-5H2,1H3 | JARKCYVAAOWBJS-UHFFFAOYSA-N | O=CCCCCC | hexanal |
| State | Conformation |
|---|---|
| 1A' | CS |
| Property | Value | Uncertainty | units | Reference | Comment |
|---|---|---|---|---|---|
Hfg(298.15K) ![]() |
-249.80 | 5.80 | kJ mol-1 | TRC | |
Hfg(0K) ![]() |
5.80 | kJ mol-1 | TRC | ||
Entropy (298.15K) ![]() |
422.10 | 4.20 | J K-1 mol-1 | TRC | |
Integrated Heat Capacity (0 to 298.15K) ![]() |
31.15 | 0.31 | kJ mol-1 | TRC | |
Heat Capacity (298.15K) ![]() |
148.70 | 1.50 | J K-1 mol-1 | TRC |
| Mode Number | Symmetry | Frequency | Intensity | Comment | Description | ||||
|---|---|---|---|---|---|---|---|---|---|
| Fundamental(cm-1) | Harmonic(cm-1) | Reference | (km mol-1) | unc. | Reference | ||||
| A | B | C | reference | comment |
|---|---|---|---|---|
| 0.32588 | 0.02898 | 0.02730 | 2015Sei/Fin:13-21 |
Product of moments of inertia ![]() | ||||
|---|---|---|---|---|
| 1.857814E+07 | amu3Å6 | 8.5068773714136E-113 | gm3 cm6 | |
Point Group Cs
| Description | Value | unc. | Connectivity | Reference | Comment | |||
|---|---|---|---|---|---|---|---|---|
| Atom 1 | Atom 2 | Atom 3 | Atom 4 | |||||
| rCO | 1.208 | 0.005 | 1 | 2 | 2015Sei/Fin:13-21 | |||
| rCC | 1.511 | 0.002 | 2 | 3 | 2015Sei/Fin:13-21 | |||
| rCC | 1.596 | 0.012 | 3 | 4 | 2015Sei/Fin:13-21 | |||
| rCC | 1.420 | 0.014 | 4 | 5 | 2015Sei/Fin:13-21 | |||
| rCC | 1.533 | 0.004 | 5 | 6 | 2015Sei/Fin:13-21 | |||
| CC | 1.532 | 0.02 | 6 | 7 | 2015Sei/Fin:13-21 | |||
| aCCO | 124.58 | 0.29 | 1 | 2 | 3 | 2015Sei/Fin:13-21 | ||
| aCCC | 116.8 | 0.46 | 2 | 3 | 4 | 2015Sei/Fin:13-21 | ||
| aCCC | 112.9 | 0.61 | 3 | 4 | 5 | 2015Sei/Fin:13-21 | ||
| aCCC | 111.26 | 0.58 | 4 | 5 | 6 | 2015Sei/Fin:13-21 | ||
| aCCC | 112.8 | 0.16 | 5 | 6 | 7 | 2015Sei/Fin:13-21 | ||
| dCCCO | -3.8 | 7.6 | 1 | 2 | 3 | 4 | 2015Sei/Fin:13-21 | |
| dCCCC | 178.2 | 4.7 | 2 | 3 | 4 | 5 | 2015Sei/Fin:13-21 | |
| dCCCC | 179.8 | 3.8 | 3 | 4 | 5 | 6 | 2015Sei/Fin:13-21 | |
| dCCCC | -179.4 | 4.8 | 4 | 5 | 6 | 7 | 2015Sei/Fin:13-21 | |
| Atom | x (Å) | y (Å) | z (Å) |
|---|
Bond descriptions
| Bond Type | Count |
|---|---|
| C=O | 1 |
| C-C | 5 |
| H-C | 12 |
| Atom 1 | Atom 2 |
|---|---|
| O1 | C2 |
| C2 | C3 |
| C2 | H8 |
| C3 | C4 |
| C3 | H9 |
| C3 | H10 |
| C4 | C5 |
| C4 | H11 |
| C4 | H12 |
| C5 | C6 |
| C5 | H13 |
| C5 | H14 |
| C6 | C7 |
| C6 | H15 |
| C6 | H16 |
| C7 | H17 |
| C7 | H18 |
| C7 | H19 |
| Energy (cm-1) | Degeneracy | reference | description |
|---|---|---|---|
| 0 | 1 | 1A' |
| Ionization Energy | I.E. unc. | vertical I.E. | v.I.E. unc. | reference |
|---|---|---|---|---|
| 9.720 | 0.050 | webbook |
| State | Config | State description | Conf description | Exp. min. | Dipole (Debye) | Reference | comment | Point Group | Components | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| x | y | z | total | dipole | quadrupole | ||||||||
| 1 | 1 | 1A' | Cs | True | 1.274 | 2.288 | 2.619 | 2015Sei/Fin:13-21 | Cs | 2 | 3 | ||
| State | Config | State description | Conf description | Exp. min. | Quadrupole (D Å) | Reference | comment | Point Group | Components | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| xx | yy | zz | dipole | quadrupole | ||||||||
| 1 | 1 | 1A' | Cs | True | Cs | 2 | 3 | |||||
| squib | reference | DOI |
|---|---|---|
| 2015Sei/Fin:13-21 | NA Seifert, IA Finneran, C Perez, DP Zaleski, JL Neill, AL Steber, RD Suenram, A Lesarri, ST Shipman, BH Pate "J. Mol. Spect. 312 (2015) 13–21 | 10.1016/j.jms.2015.02.003 |
| TRC | Frenkel, M; Marsh, K.N.; Wilhoit, R.C.; Kabo, G.J.; Roganov, G.N.,Thermodynamics of Organic Compounds in the Gas State,Thermodynamics Research Center, College Station, TX, 1994 | |
| webbook | NIST Chemistry Webbook (http://webbook.nist.gov/chemistry) | 10.18434/T4D303 |
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