 | Acta Crystallographica Section E Acta Crystallographica Section E CRYSTALLOGRAPHIC COMMUNICATIONS |
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![[Figure 4]](zq2260fig4mag.jpg)
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Figure 4
Structures of the compounds with the C–B–O–E–C motif (E = Si, Ge, Sn, Pb) and reported crystal structures. Compound 5 is the only one where this motif is formed by covalent bonds only (Ito et al., 2011  ), while the compounds 6 (Boese et al., 1996) and 7 (Braunschweig et al., 2017) contain coordinative bonds. |
![[Figure 4]](zq2260fig4.jpg)
| CRYSTALLOGRAPHIC COMMUNICATIONS |
ISSN: 2056-9890
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