Radii of Cr-Species Cr = 103 pm Z1 Z2 Distance Species Reference 7 24 154 NCr(NiPr2)3 [56] 8 24 152 [CrOX4]- X=Hal. [84] 8 24 157 [CrO(O2)(OH2)] [56] 8 24 155.7 Cl4CrO [93] 8 24 156.8 Cl2CrO2 [92] 16 24 198.7 Cl4CrS [93] 24 32 216.7 (Cp)(CO)2Cr-GeMe [111] 24 32 216.66 (Cp)(CO)2Cr-Ge(aryl) [112] 24 34 211.2 Cl4CrSe [93]