Building a Quintuple Bond

@article{Frenking2005BuildingAQ,
  title={Building a Quintuple Bond},
  author={G. Frenking},
  journal={Science},
  year={2005},
  volume={310},
  pages={796 - 797}
}
Since 1964, chemists have tried without success to synthesize molecules in which the constituent atoms have bond order (that is, the number of bonds between a pair of atoms) greater than four. In his Perspective, [Frenking][1] discusses results reported in the same issue by [ Nguyen et al. ][2] in which fivefold bonding between chromium atoms has been achieved. The synthesis was made possible through the use of functional groups that bond with chromium in such a way that the chromium atoms can… Expand
Quadruple bonding in C2 and analogous eight-valence electron species.
Ultrashort metal-metal distances and extreme bond orders.
A Combined Charge and Energy Decomposition Scheme for Bond Analysis.
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