Does a stabilising interaction favouring the Z,Z configuration of -S-N=S=N-S- systems exist?

1. Tersago, K.
2. Mandado, M.
3. Van Alsenoy, C.
4. Bagryanskaya, I.Y.
5. Kovalev, M.K.
6. Makarov, A.Y.
7. Gatilov, Y.V.
8. Shakirov, M.M.
9. Zibarev, A.V.
10. Blockhuys, F.