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Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology |
| You are here: Comparisons > Energy > Similar molecules > Isomers OR FAQ Help > List > Similar molecules > Isomers | |
| index | Species | CAS number | Name | Relative experimental enthalpy (kJ mol-1) | sketch |
|---|---|---|---|---|---|
| a | CHFCHClz | 2268317 | (Z)-1-Chloro-2-fluoroethene | ![]() |
|
| b | CHFCHCl | 2268328 | (E)-1-chloro-2-fluoroethene | ![]() |
|
| c | C2H2ClF | 2317911 | 1-chloro-1-fluoroethylene | ![]() |
| composite | G1 | NC NC NC |
|---|---|---|
| G2MP2 | NC NC NC |
|
| G2 | NC NC NC |
|
| G3 | NC NC NC |
|
| G3B3 | NC NC NC |
|
| G4 | NC NC NC |
|
| CBS-Q | NC NC NC |
| STO-3G | 3-21G | 3-21G* | 6-31G | 6-31G* | 6-31G** | 6-31+G** | 6-311G* | 6-311G** | 6-31G(2df,p) | 6-311+G(3df,2p) | TZVP | cc-pVDZ | cc-pVTZ | aug-cc-pVDZ | aug-cc-pVTZ | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| hartree fock | HF | NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
| density functional | LSDA | NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
|
| BLYP | NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
|
| B1B95 | NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
||
| B3LYP | NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
|
| B3LYPultrafine | NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
||||||
| B3PW91 | NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
|
| mPW1PW91 | NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
|
| M06-2X | NC NC NC |
NC NC NC |
NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
||
| PBEPBE | NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
|
| PBEPBEultrafine | NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
||||||
| PBE1PBE | NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
||
| HSEh1PBE | NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
|
| TPSSh | NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
|
| wB97X-D | NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
|
| B97D3 | NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
|
| STO-3G | 3-21G | 3-21G* | 6-31G | 6-31G* | 6-31G** | 6-31+G** | 6-311G* | 6-311G** | 6-31G(2df,p) | 6-311+G(3df,2p) | TZVP | cc-pVDZ | cc-pVTZ | aug-cc-pVDZ | aug-cc-pVTZ | ||
| Moller Plesset perturbation | MP2 | NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
| MP2=FULL | NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
|
| MP3 | NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
|||||||||||
| MP3=FULL | NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC |
NC NC NC |
NC NC |
||
| MP4 | NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC |
||||||||
| MP4=FULL | NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC |
|||||||||
| B2PLYP | NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
|
| B2PLYP=FULL | NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
|
| Configuration interaction | CID | NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
||||||||||
| CISD | NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
|||||||||||
| STO-3G | 3-21G | 3-21G* | 6-31G | 6-31G* | 6-31G** | 6-31+G** | 6-311G* | 6-311G** | 6-31G(2df,p) | 6-311+G(3df,2p) | TZVP | cc-pVDZ | cc-pVTZ | aug-cc-pVDZ | aug-cc-pVTZ | ||
| Quadratic configuration interaction | QCISD | NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC | |
| QCISD(T) | NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
|||||||||
| QCISD(T)=FULL | NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
|||||||||||
| Coupled Cluster | CCD | NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
|
| CCSD | NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
|||||||||
| CCSD=FULL | NC NC NC |
NC NC NC |
NC NC |
NC NC NC |
NC NC NC |
NC NC |
NC NC NC |
NC NC |
|||||||||
| CCSD(T) | NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC | |||||
| CCSD(T)=FULL | NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
|||||||||||
| STO-3G | 3-21G | 3-21G* | 6-31G | 6-31G* | 6-31G** | 6-31+G** | 6-311G* | 6-311G** | 6-31G(2df,p) | 6-311+G(3df,2p) | TZVP | cc-pVDZ | cc-pVTZ | aug-cc-pVDZ | aug-cc-pVTZ |
| CEP-31G | CEP-31G* | CEP-121G | CEP-121G* | LANL2DZ | SDD | cc-pVTZ-PP | aug-cc-pVTZ-PP | Def2TZVPP | ||
|---|---|---|---|---|---|---|---|---|---|---|
| hartree fock | HF | NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
|||
| density functional | B3LYP | NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
|||
| wB97X-D | NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
||||
| Moller Plesset perturbation | MP2 | NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |
NC NC NC |