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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 mPW1PW91/aug-cc-pVTZ

17 02 03 13 22
Species Name Bond type Bond Length (Å)
Experimental Calculated Difference
C3H3NO Isoxazole rCH 1.075 1.416 0.341
C4H10O Methyl propyl ether rCC 1.530 1.091 -0.439
C4H10O Methyl propyl ether rCH 1.099 1.401 0.302
C4H6 1-Methylcyclopropene rCH 1.085 4.194 3.109
C4H6 1-Methylcyclopropene rCH 1.087 3.401 2.314
C4H6 1-Methylcyclopropene rCC 1.476 2.249 0.773
C4H6 1-Methylcyclopropene rCH 1.087 1.822 0.735
C4H6 1-Methylcyclopropene rCH 1.098 1.773 0.675
C4H6 1-Methylcyclopropene rCH 1.098 1.753 0.655
C4H6 1-Methylcyclopropene rCH 1.070 1.500 0.430
C4H6 1-Methylcyclopropene rCC 1.515 1.090 -0.425
C4H6 1-Methylcyclopropene rCC 1.300 1.500 0.200
CH3SO2NH2 methanesulfonamide rCN 1.207 1.667 0.460
GaP Gallium monophosphide rPGa 2.450 2.236 -0.214
Ne2 Neon diatomic rNeNe 3.100 3.292 0.192
Ar2 Argon diatomic rArAr 3.758 4.466 0.708
Ar2+ Argon diatomic cation rArAr 2.320 2.490 0.170
Al2Cl6 Aluminum, di-μ-chlorotetrachlorodi- rAlCl 2.040 2.277 0.237
Al2Cl6 Aluminum, di-μ-chlorotetrachlorodi- rAlCl 2.240 2.084 -0.156
HSSSH trisulfane rHS 1.344 2.061 0.717
AlP Aluminum monophosphide rAlP 2.400 2.214 -0.186
AlP Aluminum monophosphide rAlP 2.220 2.079 -0.141
Mg2 Magnesium diatomic rMgMg 3.891 3.600 -0.291
23 molecules.