2-Thiophenecarboxylic Acid

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Properties Simple | Detailed

Formula C5H4O2S
IUPAC Name thiophene-2-carboxylic acid
Molecular Mass 128.149 g·mol−1
Heat of Formation -250.3 ± 16.7 kJ·mol−1
Dipole Moment 2.50 ± 1.08 D
Volume 137.71 Å 3
Surface Area 145.17 Å 2
HOMO Energy -9.41 ± 0.55 eV
LUMO Energy 1.82 ± eV
Point Group Symmetry Cs
Synonyms
  • .alpha.-thiophenecarboxylic acid
  • 2-carboxythiophene
  • 2-tca
  • 2-thenoic acid
  • 2-thienylcarboxylic acid
  • 2-thiophenic acid
  • alpha-thiophenecarboxylic acid
CAS Number(s)
  • 527-72-0
InChIKey QERYCTSHXKAMIS-UHFFFAOYSA-N
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