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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/6-311G*

17 02 03 13 22
Species Name Bond type Bond Length (Å)
Experimental Calculated Difference
C3H3NO Isoxazole rCH 1.075 1.429 0.354
C2H4O3 trioxolane124 rCN 1.303 2.155 0.852
C4H10O Methyl propyl ether rCC 1.530 1.086 -0.444
C4H10O Methyl propyl ether rCH 1.099 1.389 0.290
ZnS Zinc sulfide rSZn 2.046 2.213 0.167
C4H6 1-Methylcyclopropene rCH 1.085 4.180 3.095
C4H6 1-Methylcyclopropene rCH 1.087 3.412 2.325
C4H6 1-Methylcyclopropene rCC 1.476 2.246 0.770
C4H6 1-Methylcyclopropene rCH 1.087 1.808 0.721
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 1.084 -0.431
C4H6 1-Methylcyclopropene rCH 1.070 1.499 0.429
C4H6 1-Methylcyclopropene rCC 1.300 1.498 0.198
CH3SO2NH2 methanesulfonamide rCN 1.207 1.645 0.438
CuCl Copper monochloride rCuCl 2.051 2.183 0.132
F2+ flourine diatomic cation rFF 1.322 1.210 -0.112
FNO Nitrosyl fluoride rNF 1.512 1.382 -0.130
FNO3 Fluorine nitrate rNO 1.507 1.387 -0.120
FNO2 Nitryl fluoride rNF 1.467 1.339 -0.128
N2O4 Dinitrogen tetroxide rNN 1.782 1.588 -0.194
N2O3 Dinitrogen trioxide rNN 1.864 1.590 -0.274
LiK Lithium Potassium rLiK 3.270 3.509 0.239
VO Vanadium monoxide rVO 1.589 1.701 0.112
NaK Sodium Potassium rNaK 3.589 3.690 0.101
FO Oxygen monofluoride rFO 1.354 6.757 5.402
GaP Gallium monophosphide rPGa 2.450 2.305 -0.145
LiO lithium oxide rLiO 1.688 1.584 -0.104
Ne2 Neon diatomic rNeNe 3.100 2.894 -0.206
Cu2 Copper diatomic rCuCu 2.220 2.374 0.154
NaLi lithium sodium rLiNa 2.889 3.001 0.112
NaO sodium monoxide rONa 2.052 1.936 -0.115
Ar2 Argon diatomic rArAr 3.758 4.920 1.162
Ar2+ Argon diatomic cation rArAr 2.320 2.486 0.166
Si2 Silicon diatomic rSiSi 2.246 2.140 -0.106
SeO3 selenium trioxide rSeO 1.688 1.558 -0.130
Al2Cl6 Aluminum, di-μ-chlorotetrachlorodi- rAlCl 2.040 2.278 0.238
Al2Cl6 Aluminum, di-μ-chlorotetrachlorodi- rAlCl 2.240 2.077 -0.163
HSSSH trisulfane rHS 1.344 2.072 0.728
Li2 Lithium diatomic rLiLi 2.673 2.784 0.111
Be2 Beryllium diatomic rBeBe 2.460 6.389 3.929
S4 Sulfur tetramer rSS 2.155 1.996 -0.159
AlP Aluminum monophosphide rAlP 2.400 2.262 -0.138
AlP Aluminum monophosphide rAlP 2.220 2.102 -0.118
Na2 Sodium diatomic rNaNa 3.079 3.194 0.116
K2 Potassium diatomic rKK 3.905 4.198 0.293
Mg2 Magnesium diatomic rMgMg 3.891 7.000 3.109
Al2 Aluminum diatomic rAlAl 2.701 2.533 -0.168
48 molecules.