Near-infrared studies of the structure of water. II. Ionic solutions

G. R. Choppin; K. Buijs

doi:10.1063/1.1734580

Near-infrared studies of the structure of water. II. Ionic solutions

G. R. Choppin, K. Buijs

Research output › peer-review

Abstract

The infrared absorption bands of water in the 1.1- to 1.3-μ region have been studied. Variations in intensities of three bands have been used to calculate for ionic solutions the mole fractions of water molecules in which zero, one, and two of the hydrogens are involved in hydrogen bonding. The average sizes of water clusters in HC1, HBr, HNO₃, HC1O₄, H₂O₂, NaOH, KOH, NaNO₃, and NaClO₄ solutions were calculated. From this and from qualitative evaluations for other solution systems, it was possible to assign the following effect on the water structure to the ions: cations: order-producing: La³⁺>Mg ²⁺>H⁺>Ca²⁺, order-destroying: K ⁺>Na⁺>Li⁺>Cs₊ = Ag ⁺; onions: order-producing: OH^->F^-, order-destroying : ClO₄^-> I^- > Br ^- > N03-> Cl^- > SCN^-.

Original language	English
Pages (from-to)	2035-2041
Number of pages	7
Journal	The Journal of Chemical Physics
Volume	39
Issue number	8
DOIs	https://doi.org/10.1063/1.1734580
State	Published - 1963
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy
Physical and Theoretical Chemistry

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10.1063/1.1734580

Cite this

@article{045de467a967440389dca0bad4516a67,

title = "Near-infrared studies of the structure of water. II. Ionic solutions",

abstract = "The infrared absorption bands of water in the 1.1- to 1.3-μ region have been studied. Variations in intensities of three bands have been used to calculate for ionic solutions the mole fractions of water molecules in which zero, one, and two of the hydrogens are involved in hydrogen bonding. The average sizes of water clusters in HC1, HBr, HNO3, HC1O4, H2O2, NaOH, KOH, NaNO3, and NaClO4 solutions were calculated. From this and from qualitative evaluations for other solution systems, it was possible to assign the following effect on the water structure to the ions: cations: order-producing: La3+>Mg 2+>H+>Ca2+, order-destroying: K +>Na+>Li+>Cs+ = Ag +; onions: order-producing: OH->F-, order-destroying : ClO4-> I- > Br - > N03-> Cl- > SCN-.",

author = "Choppin, {G. R.} and K. Buijs",

year = "1963",

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T1 - Near-infrared studies of the structure of water. II. Ionic solutions

AU - Choppin, G. R.

AU - Buijs, K.

PY - 1963

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AB - The infrared absorption bands of water in the 1.1- to 1.3-μ region have been studied. Variations in intensities of three bands have been used to calculate for ionic solutions the mole fractions of water molecules in which zero, one, and two of the hydrogens are involved in hydrogen bonding. The average sizes of water clusters in HC1, HBr, HNO3, HC1O4, H2O2, NaOH, KOH, NaNO3, and NaClO4 solutions were calculated. From this and from qualitative evaluations for other solution systems, it was possible to assign the following effect on the water structure to the ions: cations: order-producing: La3+>Mg 2+>H+>Ca2+, order-destroying: K +>Na+>Li+>Cs+ = Ag +; onions: order-producing: OH->F-, order-destroying : ClO4-> I- > Br - > N03-> Cl- > SCN-.

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