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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 ROMP2/daug-cc-pVDZ

Species Name Bond type Bond Length (Å)
Experimental Calculated Difference
C2H4F2 1,2-difluoroethane rCH 1.093 1.519 0.426
N2 Nitrogen diatomic rNN 1.098 1.242 0.144
N2 Nitrogen diatomic rNN 1.098 1.242 0.144
SO Sulfur monoxide rSO 1.481 1.570 0.088
SO Sulfur monoxide rSO 1.481 1.570 0.088
SO Sulfur monoxide rSO 1.481 1.559 0.078
SO Sulfur monoxide rSO 1.481 1.559 0.078
SO2 Sulfur dioxide rSO 1.432 1.504 0.072
OClO Chlorine dioxide rClO 1.470 1.541 0.071
SO Sulfur monoxide rOS 1.500 1.570 0.069
SO Sulfur monoxide rOS 1.500 1.570 0.069
BrO+ Bromine monoxide cation rOBr 1.635 1.568 -0.067
PF2 Phosphorus difluoride rPF 1.579 1.646 0.067
S2 Sulfur diatomic rSS 1.889 1.953 0.064
SiCl Clorosilylidyne rSiCl 2.061 2.122 0.060
SiP Silicon monophosphide rSiP 2.078 2.018 -0.060
SO Sulfur monoxide rOS 1.500 1.559 0.059
SO Sulfur monoxide rOS 1.500 1.559 0.059
O2 Oxygen diatomic rOO 1.208 1.264 0.056
SF Monosulfur monofluoride rSF 1.599 1.655 0.056
GaCl Gallium monochloride rClGa 2.202 2.258 0.056
O2- oxygen diatomic anion rOO 1.350 1.403 0.053
HN3 hydrogen azide rNH 0.975 1.027 0.052
23 molecules.