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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 MP2=FULL/cc-pVDZ

17 02 03 13 22
Species Name Bond type Bond Length (Å)
Experimental Calculated Difference
C3H3NO Isoxazole rCH 1.075 1.423 0.348
C2H4O3 trioxolane124 rCN 1.303 2.183 0.880
C4H10O Methyl propyl ether rCC 1.530 1.103 -0.427
C4H10O Methyl propyl ether rCH 1.099 1.410 0.311
C4H6 1-Methylcyclopropene rCH 1.085 4.251 3.166
C4H6 1-Methylcyclopropene rCH 1.087 3.438 2.351
C4H6 1-Methylcyclopropene rCC 1.476 2.273 0.797
C4H6 1-Methylcyclopropene rCH 1.087 1.845 0.758
C4H6 1-Methylcyclopropene rCH 1.098 1.792 0.694
C4H6 1-Methylcyclopropene rCH 1.098 1.774 0.676
C4H6 1-Methylcyclopropene rCH 1.070 1.519 0.449
C4H6 1-Methylcyclopropene rCC 1.515 1.101 -0.414
C4H6 1-Methylcyclopropene rCC 1.300 1.520 0.220
CH3SO2NH2 methanesulfonamide rCN 1.207 1.702 0.495
F2+ flourine diatomic cation rFF 1.322 1.439 0.117
VO Vanadium monoxide rVO 1.589 1.487 -0.102
FO Oxygen monofluoride rFO 1.354 1.501 0.147
GaP Gallium monophosphide rPGa 2.450 2.236 -0.214
Ne2 Neon diatomic rNeNe 3.100 2.741 -0.359
Ar2 Argon diatomic rArAr 3.758 4.093 0.335
Ar2+ Argon diatomic cation rArAr 2.320 2.499 0.179
ClNO2 Nitryl chloride rNCl 1.840 1.975 0.135
Al2Cl6 Aluminum, di-μ-chlorotetrachlorodi- rAlCl 2.040 2.302 0.262
Al2Cl6 Aluminum, di-μ-chlorotetrachlorodi- rAlCl 2.240 2.102 -0.138
HSSSH trisulfane rHS 1.344 2.088 0.745
Be2 Beryllium diatomic rBeBe 2.460 4.214 1.754
FSN Thiazyl fluoride rFS 1.643 1.746 0.103
S4 Sulfur tetramer rSS 2.155 2.744 0.589
AlP Aluminum monophosphide rAlP 2.400 2.224 -0.176
AlP Aluminum monophosphide rAlP 2.220 2.073 -0.147
Na2 Sodium diatomic rNaNa 3.079 3.209 0.130
Mg2 Magnesium diatomic rMgMg 3.891 2.959 -0.932
ClOF3 Chlorine trifluoride oxide rFCl 1.603 1.714 0.111
Al2 Aluminum diatomic rAlAl 2.701 2.494 -0.207
34 molecules.