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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 QCISD/3-21G*

17 02 03 13 22
Species Name Bond type Bond Length (Å)
Experimental Calculated Difference
C3H3NO Isoxazole rCH 1.075 1.451 0.376
C2H2N2O Furazan rNO 1.373 1.493 0.120
C2H4O3 trioxolane124 rCN 1.303 2.280 0.977
C4H10O Methyl propyl ether rCC 1.530 1.100 -0.430
C4H10O Methyl propyl ether rCH 1.099 1.467 0.368
CH3OCl methyl hypochlorite rCO 1.389 1.495 0.106
CFCl chlorofluoromethylene rCCl 1.714 1.820 0.106
C4H6 1-Methylcyclopropene rCH 1.085 4.225 3.140
C4H6 1-Methylcyclopropene rCH 1.087 3.481 2.394
C4H6 1-Methylcyclopropene rCC 1.476 2.292 0.816
C4H6 1-Methylcyclopropene rCH 1.087 1.843 0.756
C4H6 1-Methylcyclopropene rCH 1.098 1.789 0.691
C4H6 1-Methylcyclopropene rCH 1.098 1.780 0.682
C4H6 1-Methylcyclopropene rCH 1.070 1.553 0.483
C4H6 1-Methylcyclopropene rCC 1.515 1.090 -0.425
C4H6 1-Methylcyclopropene rCC 1.300 1.556 0.256
CH3SO2NH2 methanesulfonamide rCN 1.207 1.650 0.443
HO2 Hydroperoxy radical rOO 1.331 1.473 0.142
OH- hydroxide anion rOH 0.964 1.066 0.102
KCl Potassium Chloride rKCl 2.667 2.890 0.224
KH Potassium hydride rKH 2.243 2.396 0.154
F2+ flourine diatomic cation rFF 1.322 1.428 0.106
O2+ diatomic oxygen cation rOO 1.116 1.238 0.121
O2 Oxygen diatomic rOO 1.208 1.320 0.113
NF3 Nitrogen trifluoride rNF 1.365 1.468 0.103
CaBr Calcium monobromide rCaBr 2.594 2.718 0.124
O3 Ozone rOO 1.278 1.401 0.123
OClO Chlorine dioxide rClO 1.470 1.572 0.103
NO- nitric oxide anion rNO 1.258 1.379 0.121
LiK Lithium Potassium rLiK 3.270 3.457 0.187
FO Oxygen monofluoride rFO 1.354 1.468 0.114
GaP Gallium monophosphide rPGa 2.450 2.264 -0.186
NCl nitrogen monochloride rNCl 1.611 1.743 0.132
Ar2 Argon diatomic rArAr 3.758 3.979 0.221
Ar2+ Argon diatomic cation rArAr 2.320 2.524 0.204
TiH Titanium monohydride rHTi 1.785 1.902 0.118
Al2Cl6 Aluminum, di-μ-chlorotetrachlorodi- rAlCl 2.040 2.263 0.223
Al2Cl6 Aluminum, di-μ-chlorotetrachlorodi- rAlCl 2.240 2.077 -0.163
HSSSH trisulfane rHS 1.344 2.069 0.725
CrH Chromium hydride rHCr 1.655 1.767 0.112
NBr nitrogen monobromide rNBr 1.765 1.894 0.129
Be2 Beryllium diatomic rBeBe 2.460 4.728 2.268
CaH Calcium monohydride rCaH 2.003 2.214 0.212
H2O3 Hydrogen trioxide rOO 1.428 1.531 0.103
ClO Monochlorine monoxide rClO 1.596 1.705 0.109
BrO+ Bromine monoxide cation rOBr 1.635 1.787 0.152
BrO Bromine monoxide rOBr 1.718 1.831 0.113
CaS Calcium sulfide rSCa 2.318 2.600 0.282
AlP Aluminum monophosphide rAlP 2.400 2.221 -0.179
AlP Aluminum monophosphide rAlP 2.220 2.099 -0.121
Na2 Sodium diatomic rNaNa 3.079 3.190 0.111
K2 Potassium diatomic rKK 3.905 4.193 0.288
Mg2 Magnesium diatomic rMgMg 3.891 4.667 0.776
C5H6 Propellane rCC 1.596 1.708 0.112
CaC Calcium monocarbide rCCa 2.302 2.476 0.174
55 molecules.