return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Geometry > Bad Calculations > Bad Calculated Bond Lengths OR Resources > Bad Calculations > Geometry > Bad Calculated Bond Lengths

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 B97D3/aug-cc-pVTZ

17 02 03 13 22
Species Name Bond type Bond Length (Å)
Experimental Calculated Difference
H2ONH3 Water Ammonia Dimer rNH 2.983 1.954 -1.029
C4H4N2O2 Uracil rNH 0.836 1.009 0.173
C4H4N2O2 Uracil rCH 0.931 1.081 0.150
C4H4N2O2 Uracil rNH 0.877 1.012 0.135
C4H4N2O2 Uracil rCH 0.957 1.085 0.128
CH2BrCl Methane, bromochloro- rCBr 1.928 1.086 -0.842
CH2BrCl Methane, bromochloro- rCCl 1.755 1.086 -0.669
CH2BrCl Methane, bromochloro- rHC 1.115 1.781 0.666
C(CH3)3NH2 2-Propanamine, 2-methyl- rNH 1.048 1.481 0.433
C4H10O Ethanol, 1,1-dimethyl- rCH 1.117 2.439 1.322
C4H10O Ethanol, 1,1-dimethyl- rCO 1.446 2.178 0.732
C4H8S Thiophene, tetrahydro- rCC 1.532 3.310 1.778
C4H8S Thiophene, tetrahydro- rCH 1.117 1.850 0.733
C4H8S Thiophene, tetrahydro- rCS 1.835 2.161 0.326
C3H3NO Isoxazole rCH 1.075 1.422 0.347
C2H4O3 trioxolane124 rCN 1.303 1.417 0.114
C4H10O Methyl propyl ether rCC 1.530 1.096 -0.434
C4H10O Methyl propyl ether rCH 1.099 1.417 0.318
C4H6 1-Methylcyclopropene rCH 1.085 4.218 3.133
C4H6 1-Methylcyclopropene rCH 1.087 3.414 2.327
C4H6 1-Methylcyclopropene rCC 1.476 2.261 0.785
C4H6 1-Methylcyclopropene rCH 1.087 1.830 0.743
C4H6 1-Methylcyclopropene rCH 1.098 1.782 0.684
C4H6 1-Methylcyclopropene rCH 1.098 1.760 0.662
C4H6 1-Methylcyclopropene rCH 1.070 1.506 0.436
C4H6 1-Methylcyclopropene rCC 1.515 1.095 -0.420
C4H6 1-Methylcyclopropene rCC 1.300 1.506 0.206
CH3SO2NH2 methanesulfonamide rCN 1.207 1.704 0.497
ClFO3 Perchloryl fluoride rFCl 1.598 1.705 0.107
H2SO4 Sulfuric acid rOH 0.970 2.848 1.878
ClF3 Chlorine trifluoride rFCl 1.597 1.773 0.176
He2+ helium diatomic cation rHeHe 1.081 1.189 0.109
N2O4 Dinitrogen tetroxide rNN 1.782 1.904 0.122
N2O3 Dinitrogen trioxide rNN 1.864 1.970 0.106
C2 Carbon diatomic rCC 1.243 1.404 0.161
Ne2+ Neon diatomic cation rNeNe 1.765 1.974 0.209
Ne2 Neon diatomic rNeNe 3.100 3.257 0.157
Na2Cl2 Disodium dichloride rNaCl 2.584 3.250 0.666
ClOOCl Dichlorine dioxide rOCl 1.704 1.917 0.213
ClOOCl Dichlorine dioxide rOO 1.426 1.258 -0.168
Ar2 Argon diatomic rArAr 3.758 4.065 0.307
ClNO2 Nitryl chloride rNCl 1.840 1.960 0.120
Al2Cl6 Aluminum, di-μ-chlorotetrachlorodi- rAlCl 2.040 2.304 0.264
Al2Cl6 Aluminum, di-μ-chlorotetrachlorodi- rAlCl 2.240 2.099 -0.141
HSSSH trisulfane rHS 1.344 2.086 0.743
Li2+ lithium diatomic cation rLiLi 3.112 3.485 0.373
Be2 Beryllium diatomic rBeBe 2.460 2.037 -0.423
AlP Aluminum monophosphide rAlP 2.400 2.241 -0.159
Mg2 Magnesium diatomic rMgMg 3.891 3.683 -0.208
Al2 Aluminum diatomic rAlAl 2.701 2.491 -0.210
50 molecules.