Structure of aqueous potassium metaborate solution

被引：24

作者：

Zhu, F. Y. ^{[1
]}

Fang, C. H. ^{[1
]}

Fang, Y. ^{[1
]}

Zhou, Y. Q. ^{[1
]}

Ge, H. W. ^{[1
]}

Liu, H. Y. ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, Inst Salt Lakes, Key Lab Salt Resources & Chem, Xining 8100084, Qinghai, Peoples R China

[2] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

来源：

JOURNAL OF MOLECULAR STRUCTURE | 2014年 / 1070卷

基金：

美国国家科学基金会;

关键词：

Potassium metaborate; Solution structure; X-ray scattering; Raman spectra; HYDRATED OXYSALT MINERALS; BOND-VALENCE APPROACH; SODIUM PENTABORATE; EQUILIBRIUM STEPS; CRYSTAL-STRUCTURE; WATER; PARAGENESIS; POLYANIONS; CHEMISTRY; DYNAMICS;

D O I：

10.1016/j.molstruc.2014.04.002

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The structure of aqueous potassium metaborate solutions has been confirmed by X-ray scattering, Raman spectra and species distribution calculation. The optimized structure of B(OH)(4)(-) was obtained by density functional theory calculation. The hydration distance and hydration number of K+ in aqueous potassium metaborate solution were given by X-ray scattering. The B-O(H2O) distance in hydrated anion B(OH)(4)(-) were determined to be 0.37 nm with the hydration number of 2.3 per hydroxyl(-OH). The K-B distance of the contact ions KB(OH)(4)(0) was measured to be 0.34 nm. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：80 / 85

页数：6

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