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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 CCSD(T)/cc-pVTZ

Species Name Bond type Bond Length (Å)
Experimental Calculated Difference
HO2 Hydroperoxy radical rOH 0.971 1.831 0.860
Be2 Beryllium diatomic rBeBe 2.460 2.028 -0.432
HO2 Hydroperoxy radical rOO 1.331 0.971 -0.359
Al2 Aluminum diatomic rAlAl 2.701 2.983 0.281
Na2+ sodium dimer cation rNaNa 3.540 3.709 0.169
Mg2 Magnesium diatomic rMgMg 3.891 4.059 0.168
Si2 Silicon diatomic rSiSi 2.246 2.099 -0.147
Ne2 Neon dimer rNeNe 3.100 2.983 -0.117
AlN Aluminum nitride rNAl 1.786 1.685 -0.102
ClF+ clorine monofluoride cation rFCl 1.448 1.548 0.100
Na2 Sodium diatomic rNaNa 3.079 3.178 0.099
FO2 Dioxygen monofluoride rFO 1.649 1.554 -0.095
C2 Carbon diatomic rCC 1.243 1.320 0.078
CO Carbon monoxide rCO 1.206 1.136 -0.070
CO Carbon monoxide rCO 1.206 1.136 -0.070
Si2 Silicon diatomic rSiSi 2.246 2.180 -0.066
ONNO NO dimer rNN 2.236 2.171 -0.065
NaLi lithium sodium rLiNa 2.889 2.951 0.062
B2 Boron diatomic rBB 1.590 1.529 -0.061
NaF sodium fluoride rNaF 1.926 1.979 0.053
S2Cl2 Disulfur dichloride rSS 1.931 1.983 0.052
HCF Fluoromethylene rCH 1.138 1.087 -0.051
BN boron nitride rBN 1.325 1.274 -0.051
23 molecules.