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 MP4=FULL/6-31G*

17 02 03 13 22
Species Name Bond type Bond Length (Å)
Experimental Calculated Difference
C4H10O Methyl propyl ether rCC 1.530 1.098 -0.432
C4H10O Methyl propyl ether rCH 1.099 1.418 0.319
BeO beryllium oxide rBeO 1.331 1.443 0.112
CaO Calcium monoxide rOCa 1.822 1.957 0.135
GaP Gallium monophosphide rPGa 2.450 2.226 -0.224
Ar2 Argon diatomic rArAr 3.758 4.163 0.405
Ar2+ Argon diatomic cation rArAr 2.320 2.525 0.205
Al2Cl6 Aluminum, di-μ-chlorotetrachlorodi- rAlCl 2.040 2.266 0.226
Al2Cl6 Aluminum, di-μ-chlorotetrachlorodi- rAlCl 2.240 2.080 -0.160
CrH Chromium hydride rHCr 1.655 1.794 0.139
Be2 Beryllium diatomic rBeBe 2.460 2.579 0.119
CaH Calcium monohydride rCaH 2.003 2.142 0.140
S4 Sulfur tetramer rSS 2.155 2.795 0.640
CaS Calcium sulfide rSCa 2.318 2.542 0.225
GeO Germanium monoxide rOGe 1.625 1.753 0.128
AlP Aluminum monophosphide rAlP 2.400 2.214 -0.186
AlP Aluminum monophosphide rAlP 2.220 2.077 -0.143
K2 Potassium diatomic rKK 3.905 4.065 0.160
Mg2 Magnesium diatomic rMgMg 3.891 4.155 0.264
19 molecules.