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Studies on Sodium Trifluoromethanesulfonate. Crystal Structure of Sodium Trifluoromethanesulfonate-Trifluoromethanesulfonic Acid (1/3)

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Untersuchungen an Natriumtrifluormethylsulfonat.

Kristallstruktur von Natriumtrifluormethylsulfonat- Trifluormethylsulfons¨aure (1/3)

Studies on Sodium Trifluoromethanesulfonate. Crystal Structure of Sodium Trifluoromethanesulfonate-Trifluoromethanesulfonic Acid (1/3)

Gabriele Korus, Martin Jansen*

Institut f¨ur Anorganische Chemie der Rheinischen Friedrich-Wilhelms-Universit¨at Bonn, Gerhard-Domagk-Str. 1, D-53121 Bonn

Neue Anschrift:

Max-Planck-Institut f¨ur Festk¨orperforschung, Heisenbergstr. 1, D-70569 Stuttgart

Z. Naturforsch.53 b,438–442 (1998); eingegangen am 19. Dezember 1997

Sodium Trifluoromethanesulfonate, Sodium Triflate, Trifluoromethanesulfonic Acid, Synthesis, Crystal Structure

Single crystals of sodium trifluoromethanesulfonate-trifluoromethanesulfonic acid (1/3) (NaSO3CF33 HSO3CF3) have been prepared by reaction of sodium trifluoromethanesulfonate with anhydrous trifluoromethanesulfonic acid at 60C. NaSO3CF33 HSO3CF3crystallizes in space group I213 (No. 199) with a = 16.210(1) ˚A, Z = 8. Sodium is coordinated by six oxygen atoms from six different trifluoromethanesulfonic acid molecules, each acid molecu- le connecting two sodium ions. The 3-dimensional network resulting from the edge sharing octahedra corresponds to the cubic (10, 3) net, not realised otherwise, so far. The trifluorome- thanesulfonate anion is bonded to three trifluoromethanesulfonic acid molecules by hydrogen bonds.

* Sonderdruckanforderungen an Prof. Dr. M. Jansen.

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