Table 1. Selected Average Bond Distances (Å) and Angles (Deg) for (Cp^iPr5)₃U₃Cl₆ (1-Cl), (Cp^iPr5)₃U₃Br₆ (1-Br), and (Cp^iPr5)₃U₃I₆ (1-I)^a.

	1-Cl	1-Br	1-I
U···U	4.1946(7)	4.3762(5)	4.5700(5)
U–CpiPr5(cent)	2.4836(5)	2.5046(4)	2.4806(4)
U–X	2.812(1)	2.9677(7)	3.1914(8)
U–X–U	96.48(4)	95.01(2)	91.46(2)
X–U–CpiPr5(cent)	119.83(3)	119.24(2)	117.33(2)

^aThe standard deviation of the average value was estimated from , where σ_i is the standard deviation of each bond distance (or angle) i and N is the number of distances (or angles) averaged.