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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 G3B3

Species Name Bond type Bond Length (Å)
Experimental Calculated Difference
C6H8 1,3-Cyclohexadiene rCC 1.521 3.398 1.877
C6H8 1,3-Cyclohexadiene rCH 1.090 2.456 1.366
C6H8 1,3-Cyclohexadiene rCH 1.100 2.247 1.147
C2H5NO3 Nitric acid, ethyl ester rCO 1.430 2.365 0.935
C6H8 1,3-Cyclohexadiene rCC 1.466 2.205 0.739
C6H8 1,3-Cyclohexadiene rCC 1.536 1.088 -0.448
C4H6O2 2,3-Butanedione rCH 1.114 1.550 0.436
CH2ClCH2CH3 Propane, 1-chloro- rCH 1.113 1.534 0.421
CH2ClCH2CH3 Propane, 1-chloro- rCH 1.113 1.530 0.417
Al2 Aluminum diatomic rAlAl 2.701 3.065 0.364
C4H8O2 1,3-Dioxane rCH 1.095 1.407 0.312
C6H8 1,3-Cyclohexadiene rCC 1.349 1.088 -0.261
Al2 Aluminum diatomic rAlAl 2.701 2.514 -0.187
Si2 Silicon diatomic rSiSi 2.246 2.068 -0.178
He2+ helium dimer cation rHeHe 1.081 1.220 0.140
ClF+ clorine monofluoride cation rFCl 1.448 1.573 0.124
Ne2 Neon dimer rNeNe 3.100 2.988 -0.112
AlN Aluminum nitride rNAl 1.786 1.683 -0.103
ClFO3 Perchloryl fluoride rFCl 1.598 1.679 0.081
FO2 Dioxygen monofluoride rFO 1.649 1.571 -0.078
ClS2 Sulfur chloride rSCl 2.071 2.146 0.075
ClNO2 Nitryl chloride rNCl 1.840 1.912 0.072
SOCl2 thionyl chloride rSCl 2.076 2.147 0.071
C2 Carbon diatomic rCC 1.243 1.311 0.068
CO Carbon monoxide rCO 1.206 1.138 -0.068
CO Carbon monoxide rCO 1.206 1.138 -0.068
B2 Boron diatomic rBB 1.590 1.524 -0.066
S2Cl2 Disulfur dichloride rSCl 2.057 2.121 0.064
CH3CHClCH2CH3 Butane, 2-chloro- rCCl 1.781 1.844 0.063
H2+ Hydrogen cation rHH 1.052 1.114 0.062
CH3CCl(CH3)CH3 Propane, 2-chloro-2-methyl- rCCl 1.803 1.864 0.061
Na2+ sodium dimer cation rNaNa 3.540 3.597 0.057
BHCl2 Borane, dichloro- rBH 1.130 1.185 0.055
Cl2 Chlorine diatomic rClCl 1.988 2.043 0.055
ClF3 Chlorine trifluoride rFCl 1.597 1.651 0.054
H2SO4 Sulfuric acid rSO 1.574 1.628 0.054
BN boron nitride rBN 1.325 1.271 -0.054
ClFO3 Perchloryl fluoride rClO 1.400 1.454 0.054
OClO Chlorine dioxide rClO 1.470 1.523 0.054
CH3CHNOH Acetaldoxime rCC 1.550 1.497 -0.053
MgOH magnesium hydroxide rMgO 1.767 1.820 0.053
S2Cl2 Disulfur dichloride rSS 1.931 1.982 0.051
SCl2 Sulfur dichloride rSCl 2.014 2.065 0.051
B2 Boron diatomic rBB 1.590 1.640 0.050
PCl5 Phosphorus pentachloride rPCl 2.020 2.070 0.050
45 molecules.