zuwa nassi da ke ƙasa sannan kuma amsa tambayar daga baya a cikin harshe ɗaya kamar nassi: Passage: Pyridine crystallizes a cikin tsarin lu'ulu'u na orthorhombic tare da rukunin sararin samaniya Pna21 da sigogin lattice a = 1752 pm, b = 897 pm, c = 1135 pm, da kuma raka'a 16 na tsari a kowace raka'a (wanda aka auna a 153 K). Don kwatanta, crystalline benzene shima orthorhombic ne, tare da rukunin sararin samaniya Pbca, a = 729.2 pm, b = 947.1 pm, c = 674.2 pm (a 78 K), amma yawan kwayoyin halitta a kowace tantanin halitta shine kawai 4. Wannan bambanci yana da alaƙa da ƙananan ƙa'idar kwayoyin pyridine (C2v vs D6h don benzene). A trihydrate (pyridine·3H2O); an kuma san shi yana crystallizes a cikin tsarin orthorhombic a cikin rukunin sararin samaniya Pbca, sigogin lattice, a = 1252 pm, c = 1135 pm, da
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