Helium dimer
Chemical compound
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The helium dimer is a van der Waals molecule with formula He₂ consisting of two helium atoms. This chemical is the largest diatomic molecule—a molecule consisting of two atoms bonded together. The bond that holds this dimer together is so weak... Wikipedia
Molar mass: 8.005204 g·mol−1
3D model (JSmol): Interactive image
Related van der Waals molecules: LiHe NeHe2 He3
Std enthalpy of formation (ΔfH⦵298): -1.1×10−5 kcal/mol