Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology | |
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ROMP2/3-21G
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1.15 | 1.20 | 1.25 | 1.30 | 1.35 | 1.40 | 1.45 | 1.50 | 1.55 | 1.60 | 1.65 | ||||||||||||||||||||||||
bond lengths (Å) |
Average bond length | Standard deviation |
---|---|
1.317 | 0.095 |
Species | Name | Bond Length (Å) | |
---|---|---|---|
Lowest value | HNC+ | hydrogen isocyanide cation | 1.162 |
Highest value | HCNCH2+ | 2H-Azirine cation | 1.554 |
Species | Name | Bond Length (Å) | Atom1 index | Atom2 index |
---|---|---|---|---|
HCN+ | hydrogen cyanide cation | 1.245 | 1 | 3 |
HNC+ | hydrogen isocyanide cation | 1.162 | 1 | 2 |
H2CN | Dihydrogen cyanide radical | 1.275 | 1 | 2 |
H2CN+ | hydrocyanonium cation | 1.210 | 1 | 2 |
CNH2 | Aminomethylidyne radical | 1.325 | 1 | 2 |
HCNH | methyleneazane | 1.236 | 1 | 2 |
CH2NH+ | Methanimine cation | 1.251 | 1 | 2 |
CH3NH2+ | methyl amine cation | 1.479 | 1 | 2 |
NCN | Cyanoimidogen | 1.269 | 1 | 2 |
1.269 | 1 | 3 | ||
CNN | Diazocarbene | 1.218 | 1 | 2 |
HCCN | cyanomethylene | 1.207 | 2 | 3 |
CH3CN- | acetonitrile anion | 1.265 | 2 | 3 |
HCNCH2+ | 2H-Azirine cation | 1.237 | 1 | 2 |
1.554 | 1 | 3 | ||
CH3CHN | methylmethaniminyl radical | 1.276 | 1 | 3 |
C3H3N+ | acrylonitrile cation | 1.203 | 1 | 2 |
C3H3N2 | imidazolyl radical | 1.427 | 1 | 2 |
1.427 | 1 | 3 | ||
1.348 | 2 | 4 | ||
1.348 | 3 | 5 | ||
C3H4N2 | 1H-Imidazole | 1.347 | 2 | 4 |
1.420 | 4 | 5 | ||
1.394 | 1 | 2 | ||
1.404 | 1 | 3 | ||
C4H4N | pyrrolide radical | 1.381 | 1 | 2 |
1.381 | 1 | 3 |