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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 MP2/6-311G**

17 02 03 13 22
Species Name Bond type Bond Length (Å)
Experimental Calculated Difference
C3H3NO Isoxazole rCH 1.075 1.418 0.343
C2H4O3 trioxolane124 rCN 1.303 2.176 0.873
C4H10O Methyl propyl ether rCC 1.530 1.095 -0.435
C4H10O Methyl propyl ether rCH 1.099 1.409 0.310
ClNO Nitrosyl chloride rNCl 1.975 2.077 0.102
C4H6 1-Methylcyclopropene rCH 1.085 4.226 3.141
C4H6 1-Methylcyclopropene rCH 1.087 3.421 2.334
C4H6 1-Methylcyclopropene rCC 1.476 2.261 0.785
C4H6 1-Methylcyclopropene rCH 1.087 1.833 0.746
C4H6 1-Methylcyclopropene rCH 1.098 1.781 0.683
C4H6 1-Methylcyclopropene rCH 1.098 1.764 0.666
C4H6 1-Methylcyclopropene rCH 1.070 1.512 0.442
C4H6 1-Methylcyclopropene rCC 1.515 1.092 -0.423
C4H6 1-Methylcyclopropene rCC 1.300 1.515 0.215
CH3SO2NH2 methanesulfonamide rCN 1.207 1.675 0.468
ClFO3 Perchloryl fluoride rFCl 1.598 1.714 0.116
FO Oxygen monofluoride rFO 1.354 1.498 0.144
GaP Gallium monophosphide rPGa 2.450 2.233 -0.217
Ne2 Neon diatomic rNeNe 3.100 2.820 -0.280
NaO sodium monoxide rONa 2.052 1.952 -0.100
Ar2 Argon diatomic rArAr 3.758 4.352 0.594
Ar2+ Argon diatomic cation rArAr 2.320 2.484 0.164
ClNO2 Nitryl chloride rNCl 1.840 1.957 0.117
Al2Cl6 Aluminum, di-μ-chlorotetrachlorodi- rAlCl 2.040 2.256 0.216
Al2Cl6 Aluminum, di-μ-chlorotetrachlorodi- rAlCl 2.240 2.070 -0.170
HSSSH trisulfane rHS 1.344 2.077 0.733
Be2 Beryllium diatomic rBeBe 2.460 4.074 1.614
AlP Aluminum monophosphide rAlP 2.400 2.193 -0.207
AlP Aluminum monophosphide rAlP 2.220 2.048 -0.172
Mg2 Magnesium diatomic rMgMg 3.891 4.396 0.506
ClOF3 Chlorine trifluoride oxide rFCl 1.603 1.708 0.105
31 molecules.