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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 CCSD=FULL/aug-cc-pVDZ

17 02 03 13 22
Species Name Bond type Bond Length (Å)
Experimental Calculated Difference
C3H3NO Isoxazole rCH 1.075 1.438 0.363
C4H10O Methyl propyl ether rCC 1.530 1.104 -0.426
C4H10O Methyl propyl ether rCH 1.099 1.420 0.321
C4H6 1-Methylcyclopropene rCH 1.085 4.251 3.166
C4H6 1-Methylcyclopropene rCH 1.087 3.449 2.362
C4H6 1-Methylcyclopropene rCC 1.476 2.279 0.803
C4H6 1-Methylcyclopropene rCH 1.087 1.844 0.757
C4H6 1-Methylcyclopropene rCH 1.098 1.794 0.696
C4H6 1-Methylcyclopropene rCH 1.098 1.779 0.681
C4H6 1-Methylcyclopropene rCH 1.070 1.522 0.452
C4H6 1-Methylcyclopropene rCC 1.515 1.100 -0.415
C4H6 1-Methylcyclopropene rCC 1.300 1.527 0.227
CH3SO2NH2 methanesulfonamide rCN 1.207 1.703 0.496
GaP Gallium monophosphide rPGa 2.450 2.287 -0.163
Ar2 Argon diatomic rArAr 3.758 4.018 0.260
Ar2+ Argon diatomic cation rArAr 2.320 2.478 0.158
Al2Cl6 Aluminum, di-μ-chlorotetrachlorodi- rAlCl 2.040 2.308 0.268
Al2Cl6 Aluminum, di-μ-chlorotetrachlorodi- rAlCl 2.240 2.113 -0.127
Be2 Beryllium diatomic rBeBe 2.460 4.588 2.128
AlP Aluminum monophosphide rAlP 2.400 2.275 -0.125
Na2 Sodium diatomic rNaNa 3.079 3.193 0.114
Mg2 Magnesium diatomic rMgMg 3.891 4.870 0.980
22 molecules.