Structure of bis-, tris- and tetrakispyrazolylborates in the solid state (sodium and potassium salts of tetrakispyrazolylborate by X-ray crystallography) and in solution (1H, 11B, 13C and 15N NMR)

1. Lopez, C.
2. Claramunt, R.M.
3. Sanz, D.
4. Foces, C.F.
5. Cano, F.H.
6. Faure, R.
7. Cayon, E.
8. Elguero, J.