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IV.D.7. (XVIII.A.2.)

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 QCISD/6-311G**

Species Name Bond type Bond Length (Å)
Experimental Calculated Difference
Al2 Aluminum diatomic rAlAl 2.701 2.983 0.282
Ne2 Neon dimer rNeNe 3.100 2.831 -0.269
Si2 Silicon diatomic rSiSi 2.246 2.077 -0.169
Na2+ sodium dimer cation rNaNa 3.540 3.695 0.155
ClF+ clorine monofluoride cation rFCl 1.448 1.587 0.138
ZnS Zinc sulfide rSZn 2.046 2.170 0.123
N2O3 Dinitrogen trioxide rNN 1.864 1.751 -0.113
Na2 Sodium diatomic rNaNa 3.079 3.164 0.085
C2 Carbon diatomic rCC 1.243 1.323 0.081
AlN Aluminum nitride rNAl 1.786 1.710 -0.076
BN boron nitride rBN 1.325 1.251 -0.074
CO Carbon monoxide rCO 1.206 1.133 -0.073
CO Carbon monoxide rCO 1.206 1.133 -0.073
S2Cl2 Disulfur dichloride rSS 1.931 2.000 0.069
ClFO3 Perchloryl fluoride rFCl 1.598 1.667 0.069
BrO Bromine monoxide rOBr 1.718 1.777 0.059
B2 Boron diatomic rBB 1.590 1.533 -0.057
MgO magnesium oxide rMgO 1.749 1.806 0.057
SCl sulfur monochloride rSCl 1.975 2.029 0.054
BHCl2 Borane, dichloro- rBH 1.130 1.183 0.053
Cl2 Chlorine diatomic rClCl 1.988 2.041 0.053
LiCl- lithium chloride anion rLiCl 2.180 2.128 -0.052
PCl5 Phosphorus pentachloride rPCl 2.214 2.162 -0.052
NaLi lithium sodium rLiNa 2.889 2.940 0.051
Se2 Selenium diatomic rSeSe 2.166 2.217 0.051
ClS2 Sulfur chloride rSCl 2.071 2.121 0.050
CaCl calcium monochloride rClCa 2.437 2.487 0.050
27 molecules.