Near-Infrared studies of the structure of water

G.R. Choppin; K. Buijs

Near-Infrared studies of the structure of water

G.R. Choppin, K. Buijs

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Abstract

The infrared absorption bands of water in the 1.1 to1.3 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 HCl, HBr, HNO₃, HClO₄, 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⁺>Mg²⁺>H⁺>Ca²⁺
order destroying: K⁺> Na⁺> Li⁺> Cs⁺=Ag⁺ ;
anions:
order producing: OH^->F^-
order destroying: ClO₄^->I^->Br^->NO₃^->Cl^->SCN^-

Original language	English
Publisher	SCK CEN
Number of pages	14
State	Published - Nov 1963
Externally published	Yes

Publication series

Name	SCK CEN Reports
Publisher	SCK CEN
No.	BLG-233-PART-2

Cite this

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title = "Near-Infrared studies of the structure of water",

abstract = "The infrared absorption bands of water in the 1.1 to1.3 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 HCl, HBr, HNO3, HClO4, 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+>Mg2+>H+>Ca2+order destroying: K+> Na+> Li+> Cs+=Ag+ ;anions:order producing: OH->F-order destroying: ClO4->I->Br->NO3->Cl->SCN-",

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AU - Buijs, K.

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N2 - The infrared absorption bands of water in the 1.1 to1.3 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 HCl, HBr, HNO3, HClO4, 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+>Mg2+>H+>Ca2+order destroying: K+> Na+> Li+> Cs+=Ag+ ;anions:order producing: OH->F-order destroying: ClO4->I->Br->NO3->Cl->SCN-

AB - The infrared absorption bands of water in the 1.1 to1.3 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 HCl, HBr, HNO3, HClO4, 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+>Mg2+>H+>Ca2+order destroying: K+> Na+> Li+> Cs+=Ag+ ;anions:order producing: OH->F-order destroying: ClO4->I->Br->NO3->Cl->SCN-

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