LiGe(SiMe3)3: A New Substituent for the Synthesis of Metalloid Tin Clusters from Metastable Sn(I) Halide Solutions
Abstract
:1. Introduction
2. Results and Discussion
2.1. Sn10(Ge(SiMe3)3)6 1
2.2. Li(thf)4Sn10[Ge(SiMe3)3]5 2
2.3. [Li(tmeda)2]2Sn10[Ge(SiMe3)3]4 3
3. Materials and Methods
3.1. LiGe(SiMe3)3
3.2. Sn10(Ge(SiMe3)3)6 (1)
3.3. [Li(thf)4]{Sn10[Ge(SiMe3)3]5} (2)
3.4. [Li(TMEDA)2]2{Sn10[Ge(SiMe3)3]4} (3)
3.5. X-ray Structural Characterization
3.5.1. Sn10[Ge(SiMe3)3]6
3.5.2. [Li(thf)4]{Sn10[Ge(SiMe3)3]5}
3.6. 119mSn-Mössbauer Spectroscopy
3.7. EDX
3.8. NMR
3.9. Quantum Chemical Calculations
4. Conclusions
Supplementary Materials
Author Contributions
Acknowledgments
Conflicts of Interest
References and Notes
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Sample Availability: Samples of the compounds are available from the authors. |
Sn10[Ge(SiMe3)3]6 1 | Sn10[Si(SiMe3)3]6 | |
---|---|---|
Sn1-Sn2 | 292.2 | 289.6 |
Sn1-Sn8 | 288.5 | 288.1 |
Sn2-Sn4 | 295.5 | 293.5 |
Sn3-Sn6 | 291.3 | 290.9 |
Sn4–Sn9 | 300.8 | 302.1 |
Sn5-Sn7 | 293.0 | 292.5 |
Sn5-Sn10 | 301.4 | 303.2 |
Sn7-Sn9 | 310.8 | 312.9 |
Sn1-Ge1 | 266.2 | Sn1–Si1: 264.0 |
Compound | δ (mm∙s–1) | ΔEQ (mm∙s–1) | Γ (mm∙s–1) | Area (Fixed) |
---|---|---|---|---|
Sn10[Ge(SiMe3)3]6 | 2.45(2) | 1.59(5) | 1.05(4) | 60 |
2.51(2) | 0.54(4) | 0.79(6) | 40 |
{Sn10[Ge(SiMe3)3]5}− | {Sn10[Si(SiMe3)3]5}− | |
---|---|---|
Sn1-Sn2 | 289.5 | 288.7 |
Sn3-Sn4 | 291.8 | 293.3 |
Sn3-Sn6 | 294.3 | 294.4 |
Sn4-Sn5 | 292.1 | 292.7 |
Sn5–Sn8 | 302.9 | 302.8 |
Sn7-Sn10 | 298.1 | 297.3 |
Sn8-Sn9 | 303.2 | 302.7 |
Sn9-Sn10 | 301.9 | 302.4 |
Signal | δ (mm∙s–1) | ΔEQ (mm∙s–1) | Γ (mm∙s–1) | Ratio (%) |
---|---|---|---|---|
A | 1.93(2) | 0.36(7) | 1.04(6) | 30 * |
B | 2.00(7) | 0.8(1) | 0.9(1) | 10 * |
C | 2.712(6) | 0.31(1) | 0.71(1) | 30 * |
D | 2.85(4) | 1.05(9) | 1.16(2) | 30 * |
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Binder, M.; Schrenk, C.; Block, T.; Pöttgen, R.; Schnepf, A. LiGe(SiMe3)3: A New Substituent for the Synthesis of Metalloid Tin Clusters from Metastable Sn(I) Halide Solutions. Molecules 2018, 23, 1022. https://doi.org/10.3390/molecules23051022
Binder M, Schrenk C, Block T, Pöttgen R, Schnepf A. LiGe(SiMe3)3: A New Substituent for the Synthesis of Metalloid Tin Clusters from Metastable Sn(I) Halide Solutions. Molecules. 2018; 23(5):1022. https://doi.org/10.3390/molecules23051022
Chicago/Turabian StyleBinder, Mareike, Claudio Schrenk, Theresa Block, Rainer Pöttgen, and Andreas Schnepf. 2018. "LiGe(SiMe3)3: A New Substituent for the Synthesis of Metalloid Tin Clusters from Metastable Sn(I) Halide Solutions" Molecules 23, no. 5: 1022. https://doi.org/10.3390/molecules23051022