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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 B3PW91/6-311G*

Species Name Bond type Bond Length (Å)
Experimental Calculated Difference
C2H5NO3 Nitric acid, ethyl ester rCO 1.430 2.354 0.924
Be2 Beryllium diatomic rBeBe 2.460 2.011 -0.449
C4H6O2 2,3-Butanedione rCH 1.114 1.550 0.436
CH2ClCH2CH3 Propane, 1-chloro- rCH 1.113 1.526 0.413
CH2ClCH2CH3 Propane, 1-chloro- rCH 1.113 1.524 0.411
Al2 Aluminum diatomic rAlAl 2.701 3.062 0.360
C4H8O2 1,3-Dioxane rCH 1.095 1.400 0.305
Mg2 Magnesium diatomic rMgMg 3.891 3.608 -0.282
Al2 Aluminum diatomic rAlAl 2.701 2.484 -0.217
Si2 Silicon diatomic rSiSi 2.246 2.052 -0.194
ClF+ clorine monofluoride cation rFCl 1.448 1.566 0.118
He2+ helium dimer cation rHeHe 1.081 1.191 0.110
AlN Aluminum nitride rNAl 1.786 1.676 -0.110
Na2+ sodium dimer cation rNaNa 3.540 3.643 0.103
ZnS Zinc sulfide rSZn 2.046 2.148 0.101
FO2 Dioxygen monofluoride rFO 1.649 1.750 0.101
LiO lithium oxide rLiO 1.688 1.592 -0.096
ClFO3 Perchloryl fluoride rFCl 1.598 1.693 0.095
CO Carbon monoxide rCO 1.206 1.127 -0.079
CO Carbon monoxide rCO 1.206 1.127 -0.079
ClNO2 Nitryl chloride rNCl 1.840 1.914 0.074
B2 Boron diatomic rBB 1.590 1.520 -0.070
ClS2 Sulfur chloride rSCl 2.071 2.140 0.069
BrF5 bromine pentafluoride rFBr 1.689 1.757 0.068
H2+ Hydrogen cation rHH 1.052 1.119 0.067
CH2ClCHCl2 1,1,2-trichloroethane rCC 1.580 1.514 -0.066
C2 Carbon diatomic rCC 1.243 1.306 0.064
Li2 Lithium diatomic rLiLi 2.673 2.737 0.064
SOCl2 thionyl chloride rSCl 2.076 2.140 0.064
BN boron nitride rBN 1.325 1.264 -0.061
CH3CHNOH Acetaldoxime rCC 1.550 1.489 -0.061
S2Cl2 Disulfur dichloride rSCl 2.057 2.115 0.058
BHCl2 Borane, dichloro- rBH 1.130 1.186 0.056
ClF3 Chlorine trifluoride rFCl 1.597 1.653 0.056
C5H10 2-Pentene, (E)- rCC 1.576 1.523 -0.053
B2 Boron diatomic rBB 1.590 1.643 0.053
BrF3 Bromine trifluoride rFBr 1.721 1.774 0.053
SO2F2 Sulfuryl fluoride rFS 1.530 1.582 0.052
38 molecules.