A gold(I) 1,2,3-triazolylidene complex featuring the interaction between gold and methine hydrogen

Mannem Adi Narayana; Moulali Vaddamanu; Arruri Sathyanarayana; Kumar Siddhant; Shohei Sugiyama; Kazuhisa Ozaki; Aravind Kumar Rengan; Kavitha Velappan; Kyohei Hisano; Osamu Tsutsumi; Ganesan Prabusankar

doi:10.1039/D1DT02827H

A gold(i) 1,2,3-triazolylidene complex featuring the interaction between gold and methine hydrogen†

Mannem Adi Narayana,

^a Moulali Vaddamanu,

^a Arruri Sathyanarayana,^b Kumar Siddhant,

^b Shohei Sugiyama,^b Kazuhisa Ozaki,^b Aravind Kumar Rengan,

^c Kavitha Velappan,^d Kyohei Hisano,

^b Osamu Tsutsumi

*^b and Ganesan Prabusankar

*^a

Author affiliations

* Corresponding authors

^a Department of Chemistry, Indian Institute of Technology Hyderabad, India-502 284
E-mail: prabu@chy.iith.ac.in

^b Department of Applied Chemistry, Ritsumeikan University, Kusatsu 525-8577, Japan
E-mail: tsutsumi@sk.ritsumei.ac.jp

^c Department of Biomedical Engineering, Indian Institute of Technology Hyderabad, India-502 284

^d DAV-IITH, Indian Institute of Technology Hyderabad, India-502 284

Abstract

A mesoionic N-heterocyclic carbene–gold(I) complex with a unique Au⋯H–C(methine) intramolecular hydrogen bonding interaction has been investigated in the solid state. The structure of this new neutral gold(I)–carbene was characterized by FT-IR and NMR spectroscopy, TGA, and X-ray diffraction techniques. Density functional theory (DFT) and atoms-in-molecule (AIM) analysis revealed that the gold–hydrogen bonding situation is more favored. Besides, the photophysical properties of the gold(I) complex were also investigated.

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A gold(i) 1,2,3-triazolylidene complex featuring the interaction between gold and methine hydrogen†

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A gold(I) 1,2,3-triazolylidene complex featuring the interaction between gold and methine hydrogen

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