Input interpretation
alkali metal ions | coordination numbers
Table
lithium cation | 4 | 6 | 8 sodium cation | 4 | 6 | 8 | 9 | 12 potassium cation | 4 | 6 | 8 | 12 rubidium cation | 6 | 8 | 10 | 12 cesium cation | 6 | 8 | 10 | 12 francium cation | 6