Rịba ama amaokwu a dị n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka amaokwu ahụ:  Passage: Pyridine crystallizes na orthorhombic crystal system na space group Pna21 na lattice parameters a = 1752 pm, b = 897 pm, c = 1135 pm, na 16 usoro nkeji kwa unit cell (tụrụ na 153 K). Maka ntụnyere, kristal benzene bụkwa orthorhombic, na ogbe oghere Pbca, a = 729.2 pm, b = 947.1 pm, c = 674.2 pm (na 78 K), mana ọnụọgụ nke mkpụrụ ndụ kwa cell bụ naanị 4. Ọdịiche a na-emetụta akụkụ dị ala nke mkpụrụ ndụ pyridine nke ọ bụla (C2v vs D6h maka benzene). A maara trihydrate (pyridine·3H2O); ọ na-ejikwa crystallize na usoro orthorhombic n'ime ogbe oghere Pbca, njirimara lattice a = 1244 pm, b = 1783 pm, c = 679 pm na asatọ usoro nkeji kwa unit cell (tụrụ na 223 K).  Ajụjụ: Olee otú ọtụtụ usoro nkeji kwa cell bụ na a trihydrate?
asatọ