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Diamagnetic Anisotropy Derived from the Hydrogen Bond
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The diamagnetic anisotropy (Δχ)DIA of ammonium dihydrogen phosphate ADP, potassium dihydrogen phosphate KDP and gypsum was obtained for the purpose of estimating the contribution of a single hydrogen bond to the (Δχ)DIA values. The field-induced harmonic oscillation method was used to measure the small anisotropies on the order of 10-10 emu/g. The (Δχ)DIA values obtained between two magnetic principal axes for CaSO4 2H2O were 1.7×10-6 emu/mol [χ1-χ2 axes], 1.2×10-6 emu/mol [χ1-χ3 axes] and 0.4×10-6 emu/mol [χ2-χ3 axes]. For KDP, the value was 1.1×10-9 emu/g [a-c axes], and for ADP it was 1.2×10-6 emu/g [a-c axes]. The measured anisotropy was assigned to the individual chemical bonds, the (Δχ)DIA values of a single hydrogen bond being estimated to be 0.7×10-6 emu/mol.
Title: Diamagnetic Anisotropy Derived from the Hydrogen Bond
Description:
The diamagnetic anisotropy (Δχ)DIA of ammonium dihydrogen phosphate ADP, potassium dihydrogen phosphate KDP and gypsum was obtained for the purpose of estimating the contribution of a single hydrogen bond to the (Δχ)DIA values.
The field-induced harmonic oscillation method was used to measure the small anisotropies on the order of 10-10 emu/g.
The (Δχ)DIA values obtained between two magnetic principal axes for CaSO4 2H2O were 1.
7×10-6 emu/mol [χ1-χ2 axes], 1.
2×10-6 emu/mol [χ1-χ3 axes] and 0.
4×10-6 emu/mol [χ2-χ3 axes].
For KDP, the value was 1.
1×10-9 emu/g [a-c axes], and for ADP it was 1.
2×10-6 emu/g [a-c axes].
The measured anisotropy was assigned to the individual chemical bonds, the (Δχ)DIA values of a single hydrogen bond being estimated to be 0.
7×10-6 emu/mol.
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