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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 |
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Methyl ethynyl ketone; 1-Butyn-3-one; Ketone, ethynyl methyl; Ethynyl methyl ketone; Acetylacetylene; Acetylethyne; But-3-yn-2-one; 3-Butyne-2-one; |
INChI | INChIKey | SMILES | IUPAC name |
---|---|---|---|
InChI=1S/C4H4O/c1-3-4(2)5/h1H,2H3 | XRGPFNGLRSIPSA-UHFFFAOYSA-N | CC(C#C)=O |
State | Conformation |
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1A' | CS |
Property | Value | Uncertainty | units | Reference | Comment |
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Mode Number | Symmetry | Frequency | Intensity | Comment | Description | ||||
---|---|---|---|---|---|---|---|---|---|
Fundamental(cm-1) | Harmonic(cm-1) | Reference | (km mol-1) | unc. | Reference | ||||
1 | A' | 3262 | 1973Cor:1885 | ||||||
2 | A' | 3011 | 1973Cor:1885 | ||||||
3 | A' | 2921 | 1973Cor:1885 | ||||||
4 | A' | 2099 | 1973Cor:1885 | ||||||
5 | A' | 1690 | 1973Cor:1885 | ||||||
6 | A' | 1426 | 1973Cor:1885 | ||||||
7 | A' | 1364 | 1973Cor:1885 | ||||||
8 | A' | 1198 | 1973Cor:1885 | ||||||
9 | A' | 981 | 1973Cor:1885 | ||||||
10 | A' | 741 | 1973Cor:1885 | ||||||
11 | A' | 700 | 1973Cor:1885 | ||||||
12 | A' | 587 | 1973Cor:1885 | ||||||
13 | A' | 435 | 1973Cor:1885 | ||||||
14 | A' | 183 | 1973Cor:1885 | ||||||
15 | A" | 2972 | 1973Cor:1885 | ||||||
16 | A" | 1426 | 1973Cor:1885 | ||||||
17 | A" | 1022 | 1973Cor:1885 | ||||||
18 | A" | 700 | 1973Cor:1885 | ||||||
19 | A" | 587 | 1973Cor:1885 | ||||||
20 | A" | 228 | 1973Cor:1885 | nu21 |
A | B | C | reference | comment |
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Product of moments of inertia ![]() | ||||
---|---|---|---|---|
amu3Å6 | 0 | gm3 cm6 |
Point Group Cs
Description | Value | unc. | Connectivity | Reference | Comment | |||
---|---|---|---|---|---|---|---|---|
Atom 1 | Atom 2 | Atom 3 | Atom 4 |
Atom | x (Å) | y (Å) | z (Å) |
---|
Bond descriptions
Bond Type | Count |
---|---|
H-C | 4 |
C-C | 2 |
C=O | 1 |
C#C | 1 |
Atom 1 | Atom 2 |
---|---|
C1 | C2 |
C1 | H6 |
C1 | H7 |
C1 | H8 |
C2 | O3 |
C2 | C4 |
C4 | C5 |
C5 | H9 |
Energy (cm-1) | Degeneracy | reference | description |
---|---|---|---|
0 | 1 | 1A' |
Ionization Energy | I.E. unc. | vertical I.E. | v.I.E. unc. | reference |
---|---|---|---|---|
10.250 | 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 | 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 |
---|---|---|
webbook | NIST Chemistry Webbook (http://webbook.nist.gov/chemistry) | 10.18434/T4D303 |
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