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. Author manuscript; available in PMC: 2019 Aug 13.
Published in final edited form as: Organometallics. 2018 Jun 22;37(15):2437–2441. doi: 10.1021/acs.organomet.8b00261

Table 1.

Selected Bond Distances (Å) for 3 and 4.a

3b 4
Ni1–Ni2 2.372(1) 2.382(1)
Ni1–C9, Ni2–C9 1.877(4), 1.984(5) 1.902(5), 1.975(5)
C1–N1, C8–N4 1.319(9), 1.305(9) 1.342(7), 1.329(7)
C1–C2, C7–C8 1.434(9), 1.450(6) 1.415(7), 1.432(7)
C2–N2, C7–N3 1.374(9), 1.369(8) 1.411(7), 1.384(6)
a

See Figures 2c and 4c for atom labels.

b

Average of two independent molecules in the asymmetric unit.