The Flexibility of P2O7 Dimers in Soft Structures: M2CdP2O7 (M = Rb, Cs)
Dong, XY (Dong, Xiaoyu); Shi, YJ (Shi, Yunjing); Zhang, MJ (Zhang, Mingjie); Chen, ZH (Chen, Zhaohui); Jing, Q (Jing, Qun); Yang, Y (Yang, Yun); Pan, SL (Pan, Shilie); Yang, ZH (Yang, Zhihua); Li, HY (Li, Hongyi)
2016
Source PublicationEUROPEAN JOURNAL OF INORGANIC CHEMISTRY
ISSN1434-1948
Volume17Issue:6Pages:2704-2708
Abstract

Two new congruent-melting alkali metal diphosphates, Rb2CdP2O7 and Cs2CdP2O7, were synthesized by conventional solid-state reactions. Single-crystal X-ray structural analyses showed that M2CdP2O7 (M = Rb, Cs) feature two-dimensional [CdP2O7](2-) layers that are composed of CdO5 pyramids and P2O7 dimers. The Rb+ and Cs+ cations ions fill the interlayers. The flexible P2O7 dimers could be bent and distorted if the Cs+ ion was substituted by the Rb+ ion, which led to crystallization of the Rb2CdP2O7 compound in the lower symmetry monoclinic space group P2(1)/c (No. 14) and crystallization of the Cs2CdP2O7 compound in the high-symmetry orthorhombic space group Pnma (No. 53). Thermal analyses showed that the two compounds melt congruently and that the melting point of Rb2CdP2O7 compound is lower than that of the Cs2CdP2O7 compound owing to distortion of the P2O7 dimers. IR spectroscopy and UV/Vis-near-IR diffuse reflectance spectroscopy were performed on the reported compounds.

KeywordAlkali Metals Dimers Soft Structures Solid-state Reactions Structure Elucidation
DOI10.1002/ejic.201600086
Indexed BySCI
WOS IDWOS:000379750600008
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.xjipc.cas.cn/handle/365002/4657
Collection中国科学院特殊环境功能材料与器件重点试验室
材料物理与化学研究室
Corresponding AuthorPan, SL (Pan, Shilie); Yang, ZH (Yang, Zhihua)
Affiliation1.Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Key Lab Funct Mat & Devices Special Environm, Xinjiang Key Lab Elect Informat Mat & Devices, 40-1 South Beijing Rd, Urumqi 830011, Peoples R China
2.Xinjiang Inst Engn, Nanchang Rd, Urumqi 830091, Peoples R China
3.Xinjiang Univ, Phys & Chem Detecting Ctr, 666 Shengli Rd, Urumqi 830046, Peoples R China
4.Shihezi Univ, Coll Sci, Dept Phys, Shihezi 832000, Peoples R China
Recommended Citation
GB/T 7714
Dong, XY ,Shi, YJ ,Zhang, MJ ,et al. The Flexibility of P2O7 Dimers in Soft Structures: M2CdP2O7 (M = Rb, Cs)[J]. EUROPEAN JOURNAL OF INORGANIC CHEMISTRY,2016,17(6):2704-2708.
APA Dong, XY .,Shi, YJ .,Zhang, MJ .,Chen, ZH .,Jing, Q .,...&Li, HY .(2016).The Flexibility of P2O7 Dimers in Soft Structures: M2CdP2O7 (M = Rb, Cs).EUROPEAN JOURNAL OF INORGANIC CHEMISTRY,17(6),2704-2708.
MLA Dong, XY ,et al."The Flexibility of P2O7 Dimers in Soft Structures: M2CdP2O7 (M = Rb, Cs)".EUROPEAN JOURNAL OF INORGANIC CHEMISTRY 17.6(2016):2704-2708.
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