return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Geometry > Bad Calculations > Bad Calculated Bond Lengths OR Resources > Bad Calculations > Geometry > Bad Calculated Bond Lengths

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 MP2/Sadlej_pVTZ

Species Name Bond type Bond Length (Å)
Experimental Calculated Difference
C2H4F2 1,2-difluoroethane rCH 1.093 1.504 0.411
N2 Nitrogen diatomic rNN 1.213 1.121 -0.092
N2 Nitrogen diatomic rNN 1.213 1.121 -0.092
N2 Nitrogen diatomic rNN 1.213 1.135 -0.078
N2 Nitrogen diatomic rNN 1.213 1.135 -0.078
S2 Sulfur diatomic rSS 1.889 1.957 0.068
SO2 Sulfur dioxide rSO 1.432 1.495 0.063
SO2 Sulfur dioxide rSO 1.432 1.495 0.063
C6H5F Fluorobenzene rCF 1.354 1.294 -0.060
NaLi lithium sodium rLiNa 2.889 2.945 0.056
NaLi lithium sodium rLiNa 2.889 2.945 0.056
Cl2 Chlorine diatomic rClCl 1.988 2.041 0.053
12 molecules.