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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 MP4/SDD

Species Name Bond type Bond Length (Å)
Experimental Calculated Difference
Cl2 Chlorine diatomic rClCl 1.988 2.275 0.287
ICl Iodine monochloride rClI 2.321 2.551 0.230
IBr Iodine monobromide rBrI 2.469 2.696 0.227
SO2 Sulfur dioxide rSO 1.432 1.650 0.218
IF Iodine monofluoride rFI 1.910 2.041 0.131
F2 Fluorine diatomic rFF 1.412 1.538 0.126
O2 Oxygen diatomic rOO 1.208 1.325 0.117
BF Boron monofluoride rBF 1.267 1.380 0.113
Na2 Sodium diatomic rNaNa 3.079 3.176 0.097
CO Carbon monoxide rCO 1.128 1.209 0.081
AlF3 Aluminum trifluoride rAlF 1.630 1.700 0.070
N2 Nitrogen diatomic rNN 1.098 1.165 0.067
BF3 Borane, trifluoro- rBF 1.307 1.373 0.066
CO2 Carbon dioxide rCO 1.162 1.228 0.066
H2CO Formaldehyde rCO 1.205 1.269 0.064
LiH Lithium Hydride rLiH 1.595 1.653 0.059
C3H6 Cyclopropane rCC 1.501 1.555 0.054
17 molecules.