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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 CCD/6-31G**

Species Name Bond type Bond Length (Å)
Experimental Calculated Difference
Ne2 Neon dimer rNeNe 3.100 2.605 -0.495
C4H6O2 2,3-Butanedione rCH 1.114 1.537 0.423
CH2ClCH2CH3 Propane, 1-chloro- rCH 1.113 1.528 0.415
CH2ClCH2CH3 Propane, 1-chloro- rCH 1.113 1.526 0.413
C4H8O2 1,3-Dioxane rCH 1.095 1.405 0.310
Al2 Aluminum diatomic rAlAl 2.701 2.957 0.256
B2 Boron diatomic rBB 1.590 1.398 -0.192
Si2 Silicon diatomic rSiSi 2.246 2.073 -0.173
NO3 Nitrogen trioxide rNO 1.238 1.379 0.142
Na2+ sodium dimer cation rNaNa 3.540 3.680 0.140
CaCl calcium monochloride rClCa 2.437 2.567 0.131
N2O3 Dinitrogen trioxide rNN 1.864 1.734 -0.130
CaH Calcium monohydride rHCa 2.003 2.118 0.115
ClF+ clorine monofluoride cation rFCl 1.448 1.561 0.113
AlN Aluminum nitride rNAl 1.786 1.687 -0.099
CaOH Calcium monohydroxide rOCa 1.976 2.071 0.095
CuO Copper Monoxide rCuO 1.724 1.639 -0.085
CuF Copper monofluoride rCuF 1.745 1.663 -0.082
KCl Potassium Chloride rKCl 2.667 2.743 0.076
CaF Calcuium monofluoride rFCa 1.967 2.041 0.074
C2 Carbon diatomic rCC 1.243 1.314 0.072
S2Cl2 Disulfur dichloride rSS 1.931 2.002 0.071
B2 Boron diatomic rBB 1.590 1.523 -0.067
CuH Copper monohydride rHCu 1.463 1.396 -0.067
KH Potassium hydride rHK 2.243 2.306 0.064
NaLi lithium sodium rLiNa 2.889 2.950 0.061
CH2ClCHCl2 1,1,2-trichloroethane rCC 1.580 1.521 -0.059
HCF Fluoromethylene rCH 1.138 1.084 -0.054
CH3CHNOH Acetaldoxime rCC 1.550 1.497 -0.053
BrO Bromine monoxide rOBr 1.718 1.771 0.053
30 molecules.