Octamethylcyclotetrasiloxane

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Properties Simple | Detailed

Formula C8H24O4Si4
IUPAC Name 2,2,4,4,6,6,8,8-octamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
Molecular Mass 296.616 g·mol−1
Heat of Formation -2175.8 ± 16.7 kJ·mol−1
Dipole Moment 0.01 ± 1.08 D
Volume 378.25 Å 3
Surface Area 300.3 Å 2
HOMO Energy -9.55 ± 0.55 eV
LUMO Energy 1.08 ± eV
Point Group Symmetry D2d
Synonyms
  • 2,2,4,4,6,6,8,8-octamethyl-1,3,5,7,2,4,6,8-tetroxatetrasilocane
  • cyclic dimethylsiloxane tetramer
  • cyclotetrasiloxane, octamethyl-
  • kf 994
  • nuc silicone vs 7207
  • oktamethylcyklotetrasiloxan
  • oktamethylzyklotetrasiloxan
  • omcts
  • sf 1173
  • silicone sf 1173
  • uc 7207
  • vs 7207
CAS Number(s)
  • 104986-37-0
  • 556-67-2
  • 83874-62-8
InChIKey HMMGMWAXVFQUOA-UHFFFAOYSA-N
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Elements H Si C O