But-2-Yne

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Properties Simple | Detailed

Formula C4H6
IUPAC Name but-2-yne
Molecular Mass 54.090 g·mol−1
Heat of Formation 147.8 ± 16.7 kJ·mol−1
Dipole Moment 0.00 ± 1.08 D
Volume 87.34 Å 3
Surface Area 107.42 Å 2
HOMO Energy -10.05 ± 0.55 eV
LUMO Energy 1.62 ± eV
Point Group Symmetry D3h
Synonyms
  • 2-butyne
  • crotonylene
  • crotonylene [un1144] [flammable liquid]
  • dimethylacetylene
CAS Number(s)
  • 503-17-3
InChIKey XNMQEEKYCVKGBD-UHFFFAOYSA-N
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DOI
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Elements H C