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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 HF/aug-cc-pVTZ

17 02 03 13 22
Species Name Bond type Bond Length (Å)
Experimental Calculated Difference
H2ONH3 Water Ammonia Dimer rNH 2.983 2.152 -0.831
C3H3NO Isoxazole rCH 1.075 1.427 0.352
C2H4O3 trioxolane124 rCN 1.303 2.156 0.853
C4H10O Methyl propyl ether rCC 1.530 1.085 -0.445
C4H10O Methyl propyl ether rCH 1.099 1.389 0.290
C4H6 1-Methylcyclopropene rCH 1.085 4.170 3.085
C4H6 1-Methylcyclopropene rCH 1.087 3.402 2.315
C4H6 1-Methylcyclopropene rCC 1.476 2.241 0.765
C4H6 1-Methylcyclopropene rCH 1.087 1.806 0.719
C4H6 1-Methylcyclopropene rCH 1.098 1.762 0.664
C4H6 1-Methylcyclopropene rCH 1.098 1.748 0.650
C4H6 1-Methylcyclopropene rCC 1.515 1.082 -0.433
C4H6 1-Methylcyclopropene rCH 1.070 1.494 0.424
C4H6 1-Methylcyclopropene rCC 1.300 1.496 0.196
CH3SO2NH2 methanesulfonamide rCN 1.207 1.637 0.430
F2+ flourine diatomic cation rFF 1.322 1.214 -0.108
FNO Nitrosyl fluoride rNF 1.512 1.390 -0.122
FNO3 Fluorine nitrate rNO 1.507 1.385 -0.122
FNO2 Nitryl fluoride rNF 1.467 1.340 -0.127
N2O4 Dinitrogen tetroxide rNN 1.782 1.592 -0.190
N2O3 Dinitrogen trioxide rNO 1.142 3.226 2.084
N2O3 Dinitrogen trioxide rNO 1.202 2.368 1.166
N2O3 Dinitrogen trioxide rNN 1.864 1.116 -0.748
N2O3 Dinitrogen trioxide rNO 1.217 1.602 0.385
VO Vanadium monoxide rVO 1.589 1.747 0.157
GaP Gallium monophosphide rPGa 2.450 2.311 -0.139
Ne2 Neon diatomic rNeNe 3.100 3.645 0.545
NaLi lithium sodium rLiNa 2.889 2.999 0.110
Ar2 Argon diatomic rArAr 3.758 5.294 1.536
Ar2+ Argon diatomic cation rArAr 2.320 2.438 0.118
CuH Copper monohydride rCuH 1.463 1.570 0.108
SeO3 selenium trioxide rSeO 1.688 1.548 -0.139
Al2Cl6 Aluminum, di-μ-chlorotetrachlorodi- rAlCl 2.040 2.287 0.247
Al2Cl6 Aluminum, di-μ-chlorotetrachlorodi- rAlCl 2.240 2.085 -0.155
HSSSH trisulfane rHS 1.344 2.059 0.716
Li2 Lithium diatomic rLiLi 2.673 2.784 0.111
Be2 Beryllium diatomic rBeBe 2.460 6.921 4.461
S4 Sulfur tetramer rSS 2.155 1.969 -0.186
AlP Aluminum monophosphide rAlP 2.400 2.268 -0.132
AlP Aluminum monophosphide rAlP 2.220 2.118 -0.102
Na2 Sodium diatomic rNaNa 3.079 3.194 0.115
Mg2 Magnesium diatomic rMgMg 3.891 7.459 3.569
Al2 Aluminum diatomic rAlAl 2.701 2.549 -0.152
43 molecules.