Die Strukturen der mittleren Ringverbindungen VI. 1,6‐cis‐Diaminocyclodecan‐dihydrochlorid

Abstract

Crystals of 1,6‐cis‐diaminocyclodecane dihydrochloride dihydrate are monoclinic, a = 8,145, b = 22,933, c = 9,393 A; β = 118° 20′; Z = 4; space group P21/c. The crystal structure has been determined by analysis of the three‐dimensional PATTERSON function and refined by FOURIER and least squares methods using isotropic temperature factors. The conformation of the ring is the same as that observed for the trans‐compound and the substituents occur on carbon atoms of type II, as predicted. The observed CCC angles are all larger than the tetrahedral angle, and range from about 113° to 120°.