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 MP2FU/aug-cc-pVDZ
| Species |
Name |
Bond type |
Bond Length (Å) |
| Experimental |
Calculated |
Difference |
| HBO |
Boron hydride oxide |
rBO |
1.200 |
2.397 |
1.197 |
| Mg2 |
Magnesium diatomic |
rMgMg |
3.891 |
4.414 |
0.523 |
| C4H6O2 |
2,3-Butanedione |
rCH |
1.114 |
1.543 |
0.429 |
| CH2ClCH2CH3 |
Propane, 1-chloro- |
rCH |
1.113 |
1.533 |
0.420 |
| CH2ClCH2CH3 |
Propane, 1-chloro- |
rCH |
1.113 |
1.530 |
0.417 |
| C4H8O2 |
1,3-Dioxane |
rCH |
1.095 |
1.415 |
0.320 |
| Al2 |
Aluminum diatomic |
rAlAl |
2.701 |
3.013 |
0.312 |
| Al2 |
Aluminum diatomic |
rAlAl |
2.701 |
2.496 |
-0.205 |
| B2 |
Boron diatomic |
rBB |
1.590 |
1.408 |
-0.182 |
| Ne2 |
Neon dimer |
rNeNe |
3.100 |
3.274 |
0.174 |
| FO |
Oxygen monofluoride |
rFO |
1.354 |
1.507 |
0.153 |
| Si2 |
Silicon diatomic |
rSiSi |
2.246 |
2.097 |
-0.149 |
| NO3 |
Nitrogen trioxide |
rNO |
1.238 |
1.384 |
0.146 |
| FO2 |
Dioxygen monofluoride |
rFO |
1.649 |
1.772 |
0.123 |
| AlN |
Aluminum nitride |
rNAl |
1.786 |
1.664 |
-0.122 |
| Na2 |
Sodium diatomic |
rNaNa |
3.079 |
3.188 |
0.110 |
| C2 |
Carbon diatomic |
rCC |
1.243 |
1.335 |
0.093 |
| FNO |
Nitrosyl fluoride |
rNF |
1.512 |
1.602 |
0.090 |
| Li2 |
Lithium diatomic |
rLiLi |
2.673 |
2.762 |
0.089 |
| ClNO |
Nitrosyl chloride |
rNCl |
1.975 |
2.063 |
0.088 |
| ClNO2 |
Nitryl chloride |
rNCl |
1.840 |
1.927 |
0.087 |
| SO |
Sulfur monoxide |
rSO |
1.481 |
1.568 |
0.087 |
| SO2F2 |
Sulfuryl fluoride |
rFS |
1.530 |
1.611 |
0.081 |
| NaLi |
lithium sodium |
rLiNa |
2.889 |
2.967 |
0.078 |
| SeO |
Selenium monoxide |
rSeO |
1.639 |
1.718 |
0.078 |
| AlN |
Aluminum nitride |
rNAl |
1.786 |
1.864 |
0.077 |
| SOCl2 |
thionyl chloride |
rSCl |
2.076 |
2.151 |
0.075 |
| AlCl |
Aluminum monochloride |
rAlCl |
2.130 |
2.203 |
0.073 |
| SO2 |
Sulfur dioxide |
rSO |
1.432 |
1.503 |
0.071 |
| SSO |
Disulfur monoxide |
rSO |
1.456 |
1.525 |
0.069 |
| S2 |
Sulfur diatomic |
rSS |
1.889 |
1.958 |
0.069 |
| PF |
phosphorus monofluoride |
rPF |
1.593 |
1.661 |
0.068 |
| ClS2 |
Sulfur chloride |
rSCl |
2.071 |
2.138 |
0.067 |
| SiF |
silicon monofluoride |
rSiF |
1.604 |
1.672 |
0.067 |
| SiF2 |
Silicon difluoride |
rFSi |
1.590 |
1.657 |
0.066 |
| PF3 |
Phosphorus trifluoride |
rPF |
1.561 |
1.627 |
0.066 |
| OClO |
Chlorine dioxide |
rClO |
1.470 |
1.533 |
0.064 |
| SO3 |
Sulfur trioxide |
rSO |
1.418 |
1.479 |
0.062 |
| BHCl2 |
Borane, dichloro- |
rBH |
1.130 |
1.192 |
0.062 |
| SiO |
Silicon monoxide |
rSiO |
1.510 |
1.571 |
0.062 |
| PS |
phosphorus sulfide |
rPS |
1.900 |
1.839 |
-0.061 |
| NaBr |
Sodium Bromide |
rNaBr |
2.502 |
2.563 |
0.061 |
| SF2 |
sulfur difluoride |
rSF |
1.587 |
1.647 |
0.060 |
| ClF3 |
Chlorine trifluoride |
rFCl |
1.697 |
1.756 |
0.060 |
| PN |
Phosphorus mononitride |
rPN |
1.491 |
1.550 |
0.060 |
| SSO |
Disulfur monoxide |
rSS |
1.884 |
1.944 |
0.059 |
| SiCl |
Clorosilylidyne |
rSiCl |
2.061 |
2.120 |
0.059 |
| PF |
phosphorus monofluoride |
rPF |
1.593 |
1.651 |
0.059 |
| SO |
Sulfur monoxide |
rSO |
1.481 |
1.539 |
0.058 |
| P2 |
Phosphorus diatomic |
rPP |
1.893 |
1.950 |
0.057 |
| MgCl |
magnesium monochloride |
rMgCl |
2.199 |
2.256 |
0.057 |
| Se2 |
Selenium diatomic |
rSeSe |
2.166 |
2.222 |
0.056 |
| CO |
Carbon monoxide |
rCO |
1.206 |
1.149 |
-0.056 |
| CO |
Carbon monoxide |
rCO |
1.206 |
1.149 |
-0.056 |
| S2Cl2 |
Disulfur dichloride |
rSS |
1.931 |
1.987 |
0.056 |
| FO2 |
Dioxygen monofluoride |
rOO |
1.200 |
1.144 |
-0.056 |
| SF |
Monosulfur monofluoride |
rSF |
1.599 |
1.655 |
0.055 |
| PCl |
phosphorus chloride |
rPCl |
2.018 |
2.072 |
0.055 |
| As2 |
Arsenic diatomic |
rAsAs |
2.103 |
2.157 |
0.054 |
| NS |
Mononitrogen monosulfide |
rNS |
1.497 |
1.445 |
-0.052 |
| HN3 |
hydrogen azide |
rNH |
0.975 |
1.026 |
0.051 |
| AlF |
Aluminum monofluoride |
rAlF |
1.654 |
1.706 |
0.051 |
| Cl2 |
Chlorine diatomic |
rClCl |
1.988 |
2.039 |
0.051 |
| S2 |
Sulfur diatomic |
rSS |
1.889 |
1.940 |
0.051 |
| PO2 |
Phosphorus dioxide |
rPO |
1.467 |
1.517 |
0.051 |
65 molecules.