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Hydration of Oxometallate Ions in Aqueous Solution

Smiechowski, Maciej and Persson, Ingmar (2020). Hydration of Oxometallate Ions in Aqueous Solution. Inorganic Chemistry. 59 , 8231-8239
[Journal article]

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Abstract

The strength of hydrogen bonding to and structure of hydrated oxometallate ions in aqueous solution have been studied by double difference infrared (DDIR) spectroscopy and large-angle X-ray scattering (LAXS), respectively. Anions are hydrated by accepting hydrogen bonds from the hydrating water molecules. The oxygen atom of the permanganate and perrhenate ions form weaker and longer hydrogen bonds to water than the hydrogen bonds in bulk water (i.e., they act as structure breakers), while the oxygen atoms of the chromate, dichromate, molybdate, tungstate, and hydrogenvanadate ions form hydrogen bonds stronger than those in bulk water (i.e., they act as structure makers). The oxometallate ions form one hydration shell distinguishable from bulk water as determined by DDIR spectroscopy and LAXS. The hydration of oxoanions results in X-O bond distances ca. 0.02 A longer than those in unsolvated ions in the solid state not involved in strong bonding to counterions. The oxygens of oxoanions with a central atom from the second and third series in the periodic table and the hydrogenvanadate ion hydrogen bind three hydrating water molecules, while oxygens of oxoanions with a heavier central atom only form hydrogen bonds to two water molecules.

Authors/Creators:Smiechowski, Maciej and Persson, Ingmar
Title:Hydration of Oxometallate Ions in Aqueous Solution
Year of publishing :2020
Volume:59
Page range:8231-8239
Number of Pages:9
Publisher:AMER CHEMICAL SOC
ISSN:0020-1669
Language:English
Publication Type:Journal article
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 1 Natural sciences > 104 Chemical Sciences > Inorganic Chemistry
URN:NBN:urn:nbn:se:slu:epsilon-p-106886
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-106886
Additional ID:
Type of IDID
DOI10.1021/acs.inorgchem.0c00594
Web of Science (WoS)000541873600038
ID Code:17455
Faculty:NJ - Fakulteten för naturresurser och jordbruksvetenskap
Department:(NL, NJ) > Department of Molecular Sciences
Deposited By: SLUpub Connector
Deposited On:14 Sep 2020 11:16
Metadata Last Modified:14 Sep 2020 11:16

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