Sandwich, Triple-Decker and Other Sandwich-like Complexes of Cyclopentadienyl Anions with Lithium or Sodium Cations
Abstract
:1. Introduction
2. Computational Details
3. Results and Discussion
3.1. Crystal Structures
3.2. The Energetic Parameters
3.3. The Larger Chain Structures of Cyclopentadienyl Complexes
3.4. The QTAIM and NBO Results
4. Summary
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
Sample Availability
References
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System | ΔEint | ΔEPauli | ΔEelstat | ΔEorb | ΔEdisp | ΔEelstat/ΔEorb |
---|---|---|---|---|---|---|
Li-complexes | ||||||
Li+∙∙∙C5H5− | −174.17 | 24.79 | −150.47 | −42.92 | −5.58 | 3.51 |
C5H5−Li+∙∙∙C5H5− | −62.02 | 12.06 | −42.83 | −19.96 | −11.29 | 2.15 |
Li+C5H5−Li+∙∙∙C5H5− | −152.30 | 10.48 | −112.24 | −41.16 | −9.37 | 2.73 |
C5H5−Li+C5H5−Li+∙∙∙C5H5− | −78.05 | 14.17 | −56.09 | −25.15 | −10.98 | 2.23 |
C5H5−Li+∙∙∙C5H5−Li+ | −23.00 | 8.57 | −12.70 | −8.26 | −10.61 | 1.54 |
C5H5−Li+∙∙∙C5H5−Li+C5H5− | −43.49 | 11.56 | −29.53 | −14.08 | −11.45 | 2.10 |
Li+C5H5−∙∙∙Li+ | −64.97 | 14.06 | −34.80 | −36.47 | −7.76 | 0.95 |
Li+∙∙∙C5H5−∙∙∙Li+ | −328.26 | 33.36 | −292.19 | −54.20 | −15.22 | 5.39 |
Na-complexes | ||||||
Na+∙∙∙C5H5− | −144.47 | 20.48 | −137.39 | −20.78 | −6.78 | 6.61 |
C5H5−Na +∙∙∙C5H5− | −54.88 | 11.72 | −47.55 | −10.28 | −8.78 | 4.63 |
Na+C5H5−Na+∙∙∙C5H5− | −117.54 | 17.11 | −109.54 | −16.80 | −8.32 | 6.52 |
C5H5−Na+C5H5−Na+∙∙∙C5H5− | −70.35 | 13.26 | −62.23 | −12.60 | −8.78 | 4.94 |
C5H5−Na +∙∙∙C5H5−Na + | −25.67 | 6.60 | −17.74 | −6.07 | −8.46 | 2.92 |
C5H5−Na+∙∙∙C5H5−Na+C5H5− | −42.45 | 9.25 | −34.30 | −8.51 | −8.89 | 4.03 |
Na +C5H5−∙∙∙Na+ | −56.48 | 10.90 | −40.77 | −18.67 | −7.94 | 2.18 |
Na+∙∙∙C5H5−∙∙∙Na+ | −270.09 | 26.93 | −261.02 | −20.37 | −15.63 | 12.81 |
System | Li Complexes | Na Complexes | ||
---|---|---|---|---|
ΔEint | BSSE | ΔEint | BSSE | |
Cat+∙∙∙Cp− | −167.5 | 0.6 | −137.7 | 0.8 |
Cp−Cat+∙∙∙Cp− | −49.9 | 1.1 | −49.1 | 1.0 |
Cat+Cp−Cat+∙∙∙Cp− | −132.5 | 1.2 | −110.2 | 1.0 |
Cp−Cat+Cp−Cat+∙∙∙Cp− | −67.3 | 1.2 | −63.9 | 1.0 |
Cat+Cp−Cat+Cp−Cat+∙∙∙Cp− | −118.8 | 1.2 | −100.2 | 1.0 |
Cp−Cat+Cp−Cat+Cp−Cat+∙∙∙Cp− | −76.1 | 1.1 | −70.5 | 1.0 |
Complex | C∙∙∙Li+/Na+ Distance (Up) and ρBCP (Down) | |||
---|---|---|---|---|
Li+C5H5− | 2.113 0.0281 | |||
C5H5−Li+C5H5− | 2.355 0.0149 | 2.354 0.0150 | ||
Li+C5H5−Li+C5H5− | 2.128 0.0269 | 2.510 0.0095 | 2.186 0.0233 | |
C5H5−Li+C5H5−Li+C5H5− | 2.289 0.0178 | 2.410 0.0127 | 2.409 0.0127 | 2.289 0.0178 |
Li+C5H5−Li+ | 2.224 0.0210 | 2.224 0.0210 | ||
Na+C5H5− | 2.538 0.0180 | |||
C5H5−Na +C5H5− | 2.708 0.0119 | 2.708 0.0119 | ||
Na+C5H5−Na+C5H5− | 2.568 0.0166 | 2.822 0.0087 | 2.594 0.0157 | |
C5H5−Na+C5H5−Na+C5H5− | 2.670 0.0131 | 2.745 0.0107 | 2.745 0.0107 | 2.670 0.0131 |
Na +C5H5−Na+ | 2.655 0.0133 | 2.650 0.0133 |
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Grabowski, S.J.; Parra, R.D. Sandwich, Triple-Decker and Other Sandwich-like Complexes of Cyclopentadienyl Anions with Lithium or Sodium Cations. Molecules 2022, 27, 6269. https://doi.org/10.3390/molecules27196269
Grabowski SJ, Parra RD. Sandwich, Triple-Decker and Other Sandwich-like Complexes of Cyclopentadienyl Anions with Lithium or Sodium Cations. Molecules. 2022; 27(19):6269. https://doi.org/10.3390/molecules27196269
Chicago/Turabian StyleGrabowski, Sławomir J., and Rubén D. Parra. 2022. "Sandwich, Triple-Decker and Other Sandwich-like Complexes of Cyclopentadienyl Anions with Lithium or Sodium Cations" Molecules 27, no. 19: 6269. https://doi.org/10.3390/molecules27196269