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 ROMP2/cc-pVTZ
Species
Name
Bond type
Bond Length (Å)
Experimental
Calculated
Difference
C
2
Carbon diatomic
rCC
1.243
1.321
0.079
B
2
Boron diatomic
rBB
1.590
1.522
-0.068
2 molecules.