Figure 1
Displacement ellipsoid (50% probability level) drawing of the two individual tungsten cluster anions and the two tetrabutylammonium cations in the asymmetric unit for the 150 K structure, showing the atom-numbering scheme. [Symmetry codes: (i) −x, −y + 1, −z; (ii) −x + 1, −y + 2, −z.] |