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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 B3LYP/6-311+G(3df,2p)

17 02 03 13 22
Species Name Bond type Bond Length (Å)
Experimental Calculated Difference
C3H3NO Isoxazole rCH 1.075 1.420 0.345
C4H10O Methyl propyl ether rCC 1.530 1.092 -0.438
C4H10O Methyl propyl ether rCH 1.099 1.408 0.309
C4H6 1-Methylcyclopropene rCH 1.085 4.200 3.115
C4H6 1-Methylcyclopropene rCH 1.087 3.414 2.327
C4H6 1-Methylcyclopropene rCC 1.476 2.256 0.780
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 1.754 0.656
C4H6 1-Methylcyclopropene rCH 1.070 1.507 0.437
C4H6 1-Methylcyclopropene rCC 1.515 1.090 -0.425
C4H6 1-Methylcyclopropene rCC 1.300 1.508 0.208
N2O3 Dinitrogen trioxide rNO 1.142 3.470 2.328
N2O3 Dinitrogen trioxide rNO 1.202 2.567 1.365
N2O3 Dinitrogen trioxide rNN 1.864 1.130 -0.734
N2O3 Dinitrogen trioxide rNO 1.217 1.869 0.652
Al2 Aluminum diatomic rAlAl 2.701 2.502 -0.199
17 molecules.