Key points are not available for this paper at this time.
Golden opportunity: A terminal mononuclear gold(I) hydride complex has been stabilized by an N-heterocyclic carbene ligand (see picture: Au orange, N blue, C gray). The complex is stable to a wider range of conditions than other transition metal hydride compounds and reacts to form a number of different gold(I) species.
Tsui et al. (Wed,) studied this question.