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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: Calculated > Geometry > Calculated geometry > One type of bond | |
| semi-empirical | PM3 | 1.7393 5 |
|---|---|---|
| PM6 | 1.7367 5 |
|
| composite | G2 | 1.7156 5 |
| G3 | 1.7126 5 |
|
| G3B3 | 1.7416 5 |
|
| G4 | 1.7373 5 |
|
| CBS-Q | 1.7330 5 |
| CEP-31G | CEP-31G* | CEP-121G | CEP-121G* | LANL2DZ | SDD | cc-pVTZ-PP | aug-cc-pVTZ-PP | Def2TZVPP | ||
|---|---|---|---|---|---|---|---|---|---|---|
| hartree fock | HF | 1.7368 5 |
1.7371 5 |
1.6916 5 |
1.7573 5 |
1.7166 4 |
1.7124 5 |
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| ROHF | 1.7640 1 |
1.7664 1 |
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| density functional | LSDA | 1.7275 4 |
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| BLYP | 1.7700 4 |
1.7727 4 |
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| B1B95 | 1.7352 4 |
1.7387 4 |
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| B3LYP | 1.7678 5 |
1.7690 5 |
1.7175 5 |
1.7767 5 |
1.7473 4 |
1.7448 5 |
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| B3LYPultrafine | 1.7473 4 |
1.7506 4 |
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| B3PW91 | 1.7406 4 |
1.7439 4 |
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| mPW1PW91 | 1.7359 4 |
1.7394 4 |
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| M06-2X | 1.7369 4 |
1.7408 4 |
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| PBEPBE | 1.7592 4 |
1.7559 5 |
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| PBEPBEultrafine | 1.7592 4 |
1.7624 4 |
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| PBE1PBE | 1.7361 4 |
1.7397 4 |
||||||||
| HSEh1PBE | 1.7368 4 |
1.7404 4 |
||||||||
| TPSSh | 1.7441 4 |
1.7473 4 |
||||||||
| wB97X-D | 1.7565 5 |
1.7575 5 |
1.7117 5 |
1.7714 5 |
1.7380 4 |
1.7410 4 |
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| B97D3 | 1.7574 4 |
1.7594 4 |
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| Moller Plesset perturbation | MP2 | 1.7589 5 |
1.7589 5 |
1.7256 5 |
1.7818 5 |
1.7350 4 |
1.7303 5 |
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| MP2=FULL | 1.7306 4 |
1.7397 4 |
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| ROMP2 | 1.7769 1 |
1.7811 1 |
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| MP3 | 1.7253 4 |
|||||||||
| MP3=FULL | 1.7217 4 |
|||||||||
| MP4 | 1.7372 4 |
|||||||||
| MP4=FULL | 1.7322 4 |
|||||||||
| B2PLYP | 1.7411 4 |
1.7453 4 |
||||||||
| B2PLYP=FULL | 1.7395 4 |
1.7454 4 |
||||||||
| B2PLYP=FULLultrafine | 1.7395 4 |
1.7454 4 |
||||||||
| Configuration interaction | CID | 1.7209 4 |
1.7251 4 |
|||||||
| CISD | 1.7214 4 |
1.7255 4 |
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| Quadratic configuration interaction | QCISD | 1.7309 4 |
1.7357 4 |
|||||||
| QCISD(T) | 1.7339 4 |
1.7392 4 |
||||||||
| QCISD(T)=FULL | 1.7298 4 |
1.7397 4 |
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| Coupled Cluster | CCD | 1.7278 4 |
1.7323 4 |
|||||||
| CCSD | 1.7295 4 |
1.7341 4 |
||||||||
| CCSD=FULL | 1.7257 4 |
1.7346 4 |
||||||||
| CCSD(T) | 1.7332 4 |
1.7383 4 |
||||||||
| CCSD(T)=FULL | 1.7291 4 |
1.7389 4 |