Figure 1
The structure of the Ca salt, (I·Ca). Displacement ellipsoids are drawn at the 50% probability level. Hydrogen bonds are shown with dashed lines. [Symmetry codes: (i) x + 1, −y + , z + ; (ii) x, −y + , z − ; (iii) −x + 1, −y + 1, −z; (iv) −x + 1, y + , −z + ; (v) −x + 1, y − , −z + ; (vi) x, −y + , z + ; (vii) −x + 1, −y + 1, −z + 1; (viii) −x, −y + 1, −z.] |