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 wB97X-D/cc-pVTZ

17 02 03 13 22
Species Name Bond type Bond Length (Å)
Experimental Calculated Difference
H2ONH3 Water Ammonia Dimer rNH 2.983 2.058 -0.925
C4H4N2O2 Uracil rNH 0.836 1.004 0.168
C4H4N2O2 Uracil rCH 0.931 1.076 0.145
C4H4N2O2 Uracil rNH 0.877 1.008 0.131
C4H4N2O2 Uracil rCH 0.957 1.080 0.123
C(CH3)3NH2 2-Propanamine, 2-methyl- rNH 1.048 1.466 0.418
C4H10O Ethanol, 1,1-dimethyl- rCH 1.117 2.417 1.300
C4H10O Ethanol, 1,1-dimethyl- rCO 1.446 2.168 0.722
C4H8S Thiophene, tetrahydro- rCC 1.532 3.290 1.758
C4H8S Thiophene, tetrahydro- rCH 1.117 1.830 0.713
C4H8S Thiophene, tetrahydro- rCS 1.835 2.155 0.320
C2F4 Tetrafluoroethylene rCF 1.319 1.426 0.107
C2Cl4 Tetrachloroethylene rCCl 1.718 1.579 -0.139
C3H3NO Isoxazole rCH 1.075 1.417 0.342
C2H4O3 trioxolane124 rCN 1.303 1.406 0.103
CF3CN Acetonitrile, trifluoro- rCF 1.328 1.428 0.100
CH3CF3 Ethane, 1,1,1-trifluoro- rCF 1.340 1.664 0.324
C4H10O Methyl propyl ether rCC 1.530 1.091 -0.439
C4H10O Methyl propyl ether rCH 1.099 1.399 0.300
CH3SCH2CH3 Ethane, (methylthio)- rCS 1.804 1.636 -0.168
CH3SCH2CH3 Ethane, (methylthio)- rCS 1.804 1.636 -0.168
CF3 Trifluoromethyl radical rCF 1.318 1.431 0.113
HOCO+ Hydrocarboxyl cation rCO 1.209 1.336 0.128
C4H6 1-Methylcyclopropene rCH 1.085 4.190 3.105
C4H6 1-Methylcyclopropene rCH 1.087 3.408 2.321
C4H6 1-Methylcyclopropene rCC 1.476 2.252 0.776
C4H6 1-Methylcyclopropene rCH 1.087 1.824 0.737
C4H6 1-Methylcyclopropene rCH 1.098 1.773 0.675
C4H6 1-Methylcyclopropene rCH 1.098 1.755 0.657
C4H6 1-Methylcyclopropene rCH 1.070 1.504 0.434
C4H6 1-Methylcyclopropene rCC 1.515 1.089 -0.426
C4H6 1-Methylcyclopropene rCC 1.300 1.505 0.205
CH3SO2NH2 methanesulfonamide rCN 1.207 1.666 0.459
H2SO4 Sulfuric acid rOH 0.970 2.843 1.873
PF3 Phosphorus trifluoride rFP 1.561 1.674 0.113
SiF4 Silicon tetrafluoride rSiF 1.554 1.713 0.159
AsF5 Arsenic pentafluoride rAsF 1.711 1.921 0.210
AsF5 Arsenic pentafluoride rAsF 1.656 1.835 0.179
NO3 Nitrogen trioxide rNO 1.238 1.344 0.106
GaP Gallium monophosphide rPGa 2.450 2.248 -0.202
SiP Silicon monophosphide rSiP 2.078 1.972 -0.105
Na2Cl2 Disodium dichloride rNaCl 2.584 3.244 0.660
ClOOCl Dichlorine dioxide rOCl 1.704 1.572 -0.133
NaO sodium monoxide rONa 2.052 1.859 -0.193
Ar2 Argon diatomic rArAr 3.758 4.112 0.354
Ar2+ Argon diatomic cation rArAr 2.320 2.488 0.168
Si2 Silicon diatomic rSiSi 2.246 2.142 -0.104
AlCl Aluminum monochloride rAlCl 2.130 2.420 0.289
B2Cl4 Diboron tetrachloride rBB 1.702 1.548 -0.154
SeO3 selenium trioxide rSeO 1.688 1.582 -0.105
CaF Calcium monofluoride rFCa 1.967 2.280 0.313
Al2Cl6 Aluminum, di-μ-chlorotetrachlorodi- rAlCl 2.040 2.287 0.247
Al2Cl6 Aluminum, di-μ-chlorotetrachlorodi- rAlCl 2.240 2.086 -0.154
HSSSH trisulfane rHS 1.344 2.062 0.719
B2F4 Diboron tetrafluoride rBB 1.720 1.500 -0.220
B2F4 Diboron tetrafluoride rBF 1.317 1.439 0.122
Li2+ lithium diatomic cation rLiLi 3.112 2.950 -0.162
Be2 Beryllium diatomic rBeBe 2.460 1.939 -0.521
B2 Boron diatomic rBB 1.590 1.431 -0.159
TiCl Titanium Monochloride rClTi 2.265 2.367 0.103
AlP Aluminum monophosphide rAlP 2.220 2.088 -0.132
Mg2 Magnesium diatomic rMgMg 3.891 2.683 -1.208
Al2 Aluminum diatomic rAlAl 2.701 2.522 -0.179
CaC Calcium monocarbide rCCa 2.302 2.022 -0.279
64 molecules.