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. 2022 Oct 12;61(42):16905–16913. doi: 10.1021/acs.inorgchem.2c02949

Table 3. Selected Spectroscopic Data for Neutral and Cationic Silicon(IV) Phosphine Complexes.

compound 31P{1H}, ppm 29Si, ppma 1JSiP, Hz ν(Si-X), cm–1
[SiCl4(PMe3)2] 2.3 –210 257 417
[SiCl3(PMe3)2][BArF] –3.5 –105 211 527
[SiBr4(PMe3)2] –1.2 –284 227 321
[SiBr3(PMe3)2][BArF] 3.5 –140 184 433
[SiI3(PMe3)2][I] 3.2     379
a

Recorded in CD2Cl2 at 183 K using [Cr(TMHD)3] as a relaxation agent.