Propyne

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Properties Simple | Detailed

Formula C3H4
IUPAC Name prop-1-yne
Molecular Mass 40.064 g·mol−1
Heat of Formation 192.4 ± 16.7 kJ·mol−1
Dipole Moment 1.14 ± 1.08 D
Volume 68.82 Å 3
Surface Area 87.53 Å 2
HOMO Energy -10.76 ± 0.55 eV
LUMO Energy 1.43 ± eV
Point Group Symmetry C3v
Synonyms
  • 1-propyne
  • acetylene, methyl-
  • allylene
  • hccch
  • methyl acetylene
  • methylacetylene
  • propynylidene
CAS Number(s)
  • 369597-38-6
  • 74-99-7
InChIKey MWWATHDPGQKSAR-UHFFFAOYSA-N
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Elements H C