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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 MP3/TZVP

17 02 03 13 22
Species Name Bond type Bond Length (Å)
Experimental Calculated Difference
C3H3NO Isoxazole rCH 1.075 1.425 0.350
C4H10O Methyl propyl ether rCC 1.530 1.091 -0.439
C4H10O Methyl propyl ether rCH 1.099 1.406 0.307
CaO Calcium monoxide rOCa 1.822 2.190 0.368
KOH Potassium hydroxide rOK 2.212 2.365 0.154
C4H6 1-Methylcyclopropene rCH 1.085 4.199 3.114
C4H6 1-Methylcyclopropene rCH 1.087 3.415 2.328
C4H6 1-Methylcyclopropene rCC 1.476 2.254 0.778
C4H6 1-Methylcyclopropene rCH 1.087 1.823 0.736
C4H6 1-Methylcyclopropene rCH 1.098 1.773 0.675
C4H6 1-Methylcyclopropene rCH 1.098 1.759 0.661
C4H6 1-Methylcyclopropene rCH 1.070 1.506 0.436
C4H6 1-Methylcyclopropene rCC 1.515 1.087 -0.428
C4H6 1-Methylcyclopropene rCC 1.300 1.511 0.211
CH3SO2NH2 methanesulfonamide rCN 1.207 1.682 0.475
KH Potassium hydride rKH 2.243 2.376 0.133
CaBr2 Calcium dibromide rCaBr 2.616 2.759 0.143
CaBr Calcium monobromide rCaBr 2.594 2.802 0.208
GaP Gallium monophosphide rPGa 2.450 2.247 -0.203
Ar2 Argon diatomic rArAr 3.758 4.309 0.551
Ar2+ Argon diatomic cation rArAr 2.320 2.478 0.158
Al2Cl6 Aluminum, di-μ-chlorotetrachlorodi- rAlCl 2.040 2.275 0.235
Al2Cl6 Aluminum, di-μ-chlorotetrachlorodi- rAlCl 2.240 2.085 -0.155
CaS Calcium sulfide rSCa 2.318 2.633 0.316
AlP Aluminum monophosphide rAlP 2.400 2.225 -0.175
AlP Aluminum monophosphide rAlP 2.220 2.076 -0.144
Na2 Sodium diatomic rNaNa 3.079 3.226 0.147
Mg2 Magnesium diatomic rMgMg 3.891 5.813 1.922
CaC Calcium monocarbide rCCa 2.302 2.496 0.194
29 molecules.