Figure 2
Crystal structure of Na2S2O3·2H2O: (a) extended unit cell, view along [00]; (b) section of two layers of S2O32− anions and H2O molecules connected by hydrogen bonds, view along [01], differently coloured tetrahedra belong to different layers. Anisotropic displacement ellipsoids of non-H atoms are drawn with 80% probability, S2O32− ions as tetrahedra, and hydrogen bonds as dashed lines. |