*Benjamin Doistau, E-mail: benjamin.doistau@unige.ch
*Claude Piguet, E-mail: claude.piguet@unige.ch Author Contributions
The manuscript was written through contributions of all authors. All authors have given approval to the final version of the manuscript.
Funding Sources
Financial support from the Swiss National Science Foundation is gratefully acknowledged.
ACKNOWLEDGMENT
K. L. Buchwalder is acknowledged for performing elemental analysis. Financial support from the Swiss National Science Foundation is gratefully acknowledged.
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SYNOPSIS
A CrIIIN6 building block allows extremely rare NMR monitoring of successive coordinating equilibriums in solution, opening wide perspectives towards incorporation of a Cr(III) long-lived NIR chromophore in rational polymetallic architectures.
Graphical abstract