97.2 (3) 173 (3) b 106 (4) b 91 (2) b 176 (4) b 106 (5) b 87 (2)* 174 (5) b 107 (5) ba Estimated standard deviations in the least significant figures are given in parentheses. b Indicates an average value. and molybdenum (1.61 The two tin-iron bond lengths agree well with other bond distances between these two metals. 2 The tin-chlorine bond length is exceptionally long and exceeds the distance of 2.43 A found in C~ ZS~[~-C~ H~ F~(CO)~] ...