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Bad Calculated Bond Lengths

List of molecules with calculated bond lengths that differ by more than 0.050 Å from experimental bond lengths.

Calculated at CID/6-311G**

Species Name Bond type Bond Length (Å)
Experimental Calculated Difference
N2 Nitrogen diatomic rNN 1.213 1.093 -0.119
N2 Nitrogen diatomic rNN 1.213 1.093 -0.119
Na2 Sodium diatomic rNaNa 3.079 3.158 0.079
CuCl Copper monochloride rCuCl 2.051 2.112 0.061
Cu2 Copper diatomic rCuCu 2.220 2.277 0.057
CaCl calcium monochloride rClCa 2.437 2.489 0.053
6 molecules.