S. Zerraf, M. Belhabra, Aziz Kheireddine, M. Tridane, H. Moutaabbid, M. Moutaabbid, S. Belaaouad
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引用次数: 0
摘要
报道了环三磷酸钡铯二水合物BaCsP3O9.2H2O及其无水形态BaCs4(PO3)6的化学制备、晶体结构、热行为和红外光谱研究。BaCsP3O9.2H2O与BaTlP3O9.2H2O和BaNH4P3O9.2H2O同型，单斜P21/n，单位胞尺寸为:a = 7.6992(2)Å， b = 12.3237(3)Å， c = 11.8023(3)Å， α = 90 (2)， β = 101.18(5)， γ = 90。(3)， Z = 4。BaCsP3O9.2H2O的总脱水温度在100 ~ 580℃之间。晶体的红外吸收光谱证实了晶体的大部分振动模式与类似的环三磷酸盐和计算频率相当。热性能表明该化合物在90℃前是稳定的。
Vibrational Study and Crystal Structure of Barium Cesium Cyclotriphosphate Dihydrate
Chemical preparation, crystal structure, thermal behavior, and IR studies are reported for the barium cesium cyclotriphosphate dihydrate BaCsP3O9.2H2O and its anhydrous form BaCs4(PO3)6. BaCsP3O9.2H2O, isotypic to BaTlP3O9.2H2O and BaNH4P3O9.2H2O, is monoclinic P21/n with the following unit cell dimensions: a = 7.6992(2)Å, b = 12.3237(3)Å, c = 11.8023(3)Å, α = 90 (2) , β = 101.18(5) , γ = 90. (3) , and Z = 4. The total dehydration of BaCsP3O9.2H2O is between 100 C and 580 C. The IR absorption spectroscopy spectrum for the crystal confirms that most of the vibrational modes are comparable to similar cyclotriphosphates and to the calculated frequencies. The thermal properties reveal that the compound is stable until 90 C.
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