1. Metal clusters inside out by Arndt Simon Philosophical Transactions A Volume 368(1915):1285-1299 March 28, 2010 ©2010 by The Royal Society

2. Clusters with octahedral M6 core: (a) [Mo6Cl8], (b) [Nb6Cl12], (c) [Nb6I8H], (d) [Th6Br12H7] and (e) [Sc6I12(C2)]. Arndt Simon Phil. Trans. R. Soc. A 2010;368:1285-1299 ©2010 by The Royal Society

3. (a) Experimental X-ray diffraction images of LaIAlx, (b) calculated images of diffuse scattering effects with a model and (c) of disordered interconnected [La6AlI12] clusters. Arndt Simon Phil. Trans. R. Soc. A 2010;368:1285-1299 ©2010 by The Royal Society

4. (a) Crystal structure of [Nb6F12]F6/2. Arndt Simon Phil. Trans. R. Soc. A 2010;368:1285-1299 ©2010 by The Royal Society

5. (a–c) Oligomeric [Mo4n+2O6n+6] clusters for n=2, 3, 5, as found in reduced oxo-molybdates and (d,e) same type of clusters based on C2-centred octahedra in La carbide iodides. Arndt Simon Phil. Trans. R. Soc. A 2010;368:1285-1299 ©2010 by The Royal Society

6. High-resolution transmission electron microscopy image of a sample with nominal composition La14(C2)3I20, showing an intergrowth of clusters from the homologous series La4n+2(C2)nI5n+5. Arndt Simon Phil. Trans. R. Soc. A 2010;368:1285-1299 ©2010 by The Royal Society

7. Suboxide clusters (a) [Rb9O2] and (b) [Cs11O3] formed from two and three M6O octahedra, respectively; subnitride clusters (c) [Ba14CaN6] composed of six condensed [Ba5CaN] units with Ca in the centre; (d) [Ba12Li8N6] cluster containing six condensed [Ba3Li3... Arndt Simon Phil. Trans. R. Soc. A 2010;368:1285-1299 ©2010 by The Royal Society

8. Crystal structures of: (a) [Cs11O3]Rb7 and (b) [Cs11O3]Rb. Arndt Simon Phil. Trans. R. Soc. A 2010;368:1285-1299 ©2010 by The Royal Society

9. (a) Crystal structure of Cs11O3. Arndt Simon Phil. Trans. R. Soc. A 2010;368:1285-1299 ©2010 by The Royal Society

10. Crystal structure of [Ba14CaN6]Na17. Arndt Simon Phil. Trans. R. Soc. A 2010;368:1285-1299 ©2010 by The Royal Society

11. Crystal structures of: (a) In[Mo3Se3] with anionic chains of condensed Mo6 octahedra encapsulated by Se atoms and cations between them and (b) [Ba3N]Na with bare [Ba3N] chains and metallic bonding between the chains and additional Na. Arndt Simon Phil. Trans. R. Soc. A 2010;368:1285-1299 ©2010 by The Royal Society

12. Crystal structure of: (a) Ba2N formed from condensed [Ba6N] units and (b) Ba2LiN containing layers of crosswise condensed [Ba5LiN] units. Arndt Simon Phil. Trans. R. Soc. A 2010;368:1285-1299 ©2010 by The Royal Society

13. (a) [Cs12(InO4)] cluster and (b) crystal structure of Cs9InO4 with these clusters condensed into chains and metallic bonding between chains and additional Cs atoms. Arndt Simon Phil. Trans. R. Soc. A 2010;368:1285-1299 ©2010 by The Royal Society