Crystal structure and hydrogen bonding of propargylammonium hexafluorosilicate, 2(C3H6N)+ (SiF6)2− |
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| Authors: | Thomas Steiner |
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| Affiliation: | 1. Institut für Kristallographie, Freie Universit?t Berlin, Takustra?e 6, D-14195, Berlin, Germany
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| Abstract: | The X-ray crystal structure of propargylammonium hexafluorosilicate, 2(C3H6N)+ (SiF6)2?, is determined. The SiF6 anion is involved in N?H...F and C?H...F interactions with eight surrounding cations. This involves two-three-and four-center N?H...F hydrogen bonds, and additional C?H...F interactions with C...F distances down to 2.963(6) Å. The alkynyl C?H donors form only C?H...F interactions of unfavorable geometries. |
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