si loo eego, pyridine sidoo kale waa orthorhombic, oo leh kooxda booska Pbca, a = 729.2 pm, b = 947.1 pm, c = 674.2 pm (at 78 K), laakiin tirada molecules per cell waa kaliya 4. farqiga Tani waxay qayb ahaan la xidhiidhaa simmetry hoose ee molecule pyridine shaqsi (C2v vs D6h for benzene). A trihydrate (pyridine·3H2O) waxaa sidoo kale loo yaqaan; waxaa sidoo kale crystallizes in nidaamka orthorhombic ee kooxda booska Pbca, a = 128.44 pm, c = 673 pm, iyo sidee cutubyada per cell waxaa lagu qiyaasay formula ah: K = 223 = 683 unugyada.
siddeed