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 M06-2X/6-31+G**
Species
Name
Bond type
Bond Length (Å)
Experimental
Calculated
Difference
NaK
Sodium Potassium
rNaK
3.589
3.389
-0.200
Ne
2
Neon dimer
rNeNe
3.100
2.977
-0.123
2 molecules.