Certain simple molecules and ions, such as hypervalent species, violate the traditional octet rule by accommodating more or fewer than eight valence electrons.
Evidence for · 2
Identification of a Simplest Hypervalent Hydrogen Fluoride Anion in Solid Argon.
2017 · cited by 4
Paper [5] identifies hypervalent molecules and anions like HF- as known exceptions to the octet rule.
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More for · 1
Resonant Dative Bonds.
2025 · cited by 1
Paper [10] discusses ring molecules composed of formally hypervalent and hypovalent atoms that deviate from traditional valence rules.