SrNO3(OH)center dot H2O: A new member in strontium nitrate hydrate family with an ultraviolet cut-off edge
Liu, LL (Liu, Lili); Yang, Y (Yang, Yun); Li, LP (Li, Linping); Yang, ZH (Yang, Zhihua); Pan, SL (Pan, Shilie)
2017
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
ISSN0925-8388
Volume695Issue:2Pages:1719-1724
Abstract

A new strontium nitrate hydrate SrNO3(OH)center dot H2O has been synthesized by hydrothermal method. The title compound crystallizes in Pbca (no. 61) with the lattice parameters a = 9.801(5), b = 6.179(3), and c = 14.355(7) angstrom (Z = 8). Isolated NO3 anionic groups are combined through the SrO9 polyhedra to form a three-dimensional (3D) network. From the aspect of cationic framework, the Sr-O net can be simplified as an uninodal net with Schlafli symbol of {4(4).6(6)} considering the SrO9 polyhedra as five-connected (5c) nodes. Its UV-Vis-NIR diffuse reflectance spectral data indicate that it has a UV cut-off edge of 288 nm which corresponds to the energy gap of 4.31 eV. Theoretical calculations prove that SrNO3(OH)center dot H2O has a direct band gap of 3.72 eV, which is smaller than the experimental value. Crystal structural comparison among strontium nitrate hydrates indicates that different cation frameworks give anionic groups distinct restraint which has an influence on the arrangement of anionic groups.

KeywordSrno3(Oh)Center Dot H2o Synthesis Crystal Structure Spectral Measurements Theoretical Calculations
DOI10.1016/j.jallcom.2016.11.001
Indexed BySCI
WOS IDWOS:000391817600216
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.xjipc.cas.cn/handle/365002/4877
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)
Affiliation1.Chinese Acad Sci, Key Lab Funct Mat & Devices Special Environm, Xinjiang Key Lab Elect Informat Mat & Devices, Xinjiang Tech Inst Phys & Chem, 40-1 South Beijing Rd, Urumqi 830011, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Liu, LL ,Yang, Y ,Li, LP ,et al. SrNO3(OH)center dot H2O: A new member in strontium nitrate hydrate family with an ultraviolet cut-off edge[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2017,695(2):1719-1724.
APA Liu, LL ,Yang, Y ,Li, LP ,Yang, ZH ,&Pan, SL .(2017).SrNO3(OH)center dot H2O: A new member in strontium nitrate hydrate family with an ultraviolet cut-off edge.JOURNAL OF ALLOYS AND COMPOUNDS,695(2),1719-1724.
MLA Liu, LL ,et al."SrNO3(OH)center dot H2O: A new member in strontium nitrate hydrate family with an ultraviolet cut-off edge".JOURNAL OF ALLOYS AND COMPOUNDS 695.2(2017):1719-1724.
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