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. 2021 Oct 21;60(21):16713–16725. doi: 10.1021/acs.inorgchem.1c02582

Table 1. Main Bond Distances (angstroms) of 1^6–, 3^5–, and 2^6– Compared to Those of [Ni_22–xPd_20+x(CO)₄₈]^6–, [Ni_29–xPd_6+x(CO)₄₂]^6–, [Ni_29+xPd_6–x(CO)₄₂]^6–, and [Ni₃₇Pt₄(CO)₄₆]^6–

	Ni–Ni	Ni–M^a	M–M^a
1^6–	2.401(3)–3.006(3)	2.400(2)–2.796(2)	2.695(2)–2.722(2)
1^6–	average 2.57(2)	average 2.634(11)	average 2.713(5)
3^5–	2.373(4)–2.808(4)	2.497(3)–2.844(3)	2.618(3)–2.844(3)
3^5–	average 2.57(3)	average 2.60(3)	average 2.696(18)
2^6–	2.3754(17)–2.8280(17)	2.4995(16)–2.8537(13)	2.6412(13)–2.8537(13)
2^6–	average 2.598(9)	average 2.634(7)	average 2.735(4)
[Ni_22–xPd_20+x(CO)₄₈]^6–^b	2.4696(10)–2.95(2)	2.40(4)–2.82(3)	2.59(3)–2.9053(6)
[Ni_22–xPd_20+x(CO)₄₈]^6–^b	average 2.56(4)	average 2.67(5)	average 2.773(19)
[Ni_29–xPd_6+x(CO)₄₂]^6–^b	2.444(3)–2.725(3)	2.35(7)–2.68(7)	2.618(2)–2.7689(15)
[Ni_29–xPd_6+x(CO)₄₂]^6–^b	average 2.58(4)	average 2.61(9)	average 2.68(3)
[Ni_29+xPd_6–x(CO)₄₂]^6–^b	2.437(5)–2.732(3)	2.324(17)–2.889(17)	2.6256(19)–2.7585(13)
[Ni_29+xPd_6–x(CO)₄₂]^6–^b	average 2.58(2)	average 2.65(5)	average 2.704(3)
[Ni₃₇Pt₄(CO)₄₆]^6–^c	2.421(2)–2.955(2)	2.536(2)–2.776(2)	2.709(2)–2.733(2)
[Ni₃₇Pt₄(CO)₄₆]^6–^c	average 2.562(17)	average 2.641(8)	average 2.724(5)

^a

M = Pd or Pt.

^b

See ref (14).

^c

See refs (49) and (50).