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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 PBEPBE/SDD

Species Name Bond type Bond Length (Å)
Experimental Calculated Difference
Cl2 Chlorine diatomic rClCl 1.988 2.233 0.245
ICl Iodine monochloride rClI 2.321 2.519 0.198
SO2 Sulfur dioxide rSO 1.432 1.618 0.186
IBr Iodine monobromide rBrI 2.469 2.645 0.176
IF Iodine monofluoride rFI 1.910 2.044 0.134
BF Boron monofluoride rBF 1.267 1.358 0.092
O2 Oxygen diatomic rOO 1.208 1.287 0.080
AlF3 Aluminum trifluoride rAlF 1.630 1.701 0.071
F2 Fluorine diatomic rFF 1.412 1.479 0.067
NO Nitric oxide rNO 1.154 1.214 0.060
BF3 Borane, trifluoro- rBF 1.307 1.363 0.056
HCl Hydrogen chloride rHCl 1.275 1.326 0.052
CO Carbon monoxide rCO 1.128 1.179 0.051
13 molecules.